Publications







    2023

  1. "Anomalous Hanle effect considered in time-resolved measurements and numerical simulations",
    S. Yamamoto, R. Kaji*, and S. Adachi,
    Phys. Rev. B 108, 054422/1-11 (2023).
    (DOI: 10.1103/PhysRevB.108.054422) [PRB]
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    2022

  3. "Creation of high-resolution atomic frequency comb and optimization of pulse sequence for high-efficiency quantum memory in 167Er:Y2SiO5",
    S. Yasui, M. Hiraishi, A. Ishizawa, H. Omi, T. Inaba, X. Xu, R. Kaji, S. Adachi, and T. Tawara*,
    Opt. Continuum 1(9), 1896-1908 (2022).
    (DOI: 10.1364/OPTCON.457429) [OPTCON]
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    2021

  5. "Precise spectroscopy of 167Er:Y2SiO5 based on laser frequency stabilization using a fiber laser comb",
    S. Yasui, M. Hiraishi, A. Ishizawa, H. Omi, R. Kaji, S. Adachi, and T. Tawara*,
    Opt. Express 29(17), 27137-27148 (2021).
    (DOI: 10.1364/OE.433002) [OE]
  6. "Double nuclear spin switching in single quantum dots",
    S. Yamamoto*, R. Kaji, H. Sasakura, and S. Adachi,
    Jpn. J. Appl. Phys. 60, SBBH07/1-4 (2021).
    (DOI: 10.35848/1347-4065/abd709) [JJAP]
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    2020

  8. "Third stable branch and tristability of nuclear spin polarization in single quantum dot system",
    S. Yamamoto, R. Kaji, H. Sasakura, and S. Adachi*,
    Phys. Rev. B 101, 245424/1-8 (2020).
    (DOI: 10.1103/PhysRevB.101.245424) [PRB]
  9. "Influence of a longitudinal field on the large in-plane nuclear field formation in single quantum dots",
    S. Yamamoto, T. Arakawa, R. Matsusaki, R. Kaji, and S. Adachi*,
    Phys. Status Solidi B 257, 1900381/1-5 (2020).
    (DOI: 10.1002/pssb.201900381) [pssb]
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    2019

  11. "Optical coherent transients in 167Er3+ at telecom-band wavelength",
    M. Hiraishi, M. IJspeert, T. Tawara*, S. Adachi, R. Kaji, H. Omi, and H. Gotoh,
    Opt. Lett. 44, 4933-4936 (2019).
    (DOI: 10.1364/OL.44.004933) [OL]
  12. "Experimental studies on nuclear field generated orthogonal to electron spin in single self-assembled nanostructures",
    R. Kaji*, S. Yamamoto, R. Matsusaki, and S. Adachi,
    Jpn. J. Appl. Phys. 58, SBBH10/1-6 (2019).
    (DOI: 10.7567/1347-4065/aafe66) [JJAP]
  13. "Direct evaluation of nuclear spin fluctuation by using nuclear spin switch in single quantum structures",
    R. Kaji*, R. Matsusaki, S. Yamamoto, and S. Adachi,
    Jpn. J. Appl. Phys. 58, SBBH05/1-5 (2019).
    (DOI: 10.7567/1347-4065/aafd94) [JJAP]
  14. "Anomalous Hanle curves induced by in-plane nuclear field in single self-assembled InAlAs and InAs nanostructures",
    S. Yamamoto*, R. Matsusaki, R. Kaji, and S. Adachi,
    J. Phys.: Conf. Ser. 1220, 012047 (2019).
    (DOI: 10.1088/1742-6596/1220/1/012047) [JPCS]
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    2018

  16. "Sign identification of electron and hole out-of-plane g factors by utilizing nuclear spin switch in single quantum nanostructures",
    R. Matsusaki, R. Kaji, S. Yamamoto, and S. Adachi,
    arXiv:1807.01413 [cond-mat]
  17. "Quadrupolar effect on nuclear spin depolarization in single self-assembled quantum dots",
    R. Matsusaki, R. Kaji*, S. Yamamoto, H. Sasakura, and S. Adachi,
    Appl. Phys. Express 11, 085201/1-5 (2018).
    (DOI: 10.7567/APEX.11.085201) [APEX]
  18. "Investigation of population dynamics in 1.54-μm telecom transitions of epitaxial (Erx,Sc1-x)2O3 thin layers for coherent population manipulation: weak excitation regime",
    S. Adachi*, Y. Kawakami, R. Kaji, T. Tawara, H. Omi,
    Appl. Sci. 8(6), 874/1-13 (2018).
    (DOI: 10.3390/app8060874) [ApplSci]
  19. "In-plane nuclear field formation investigated in single self-assembled quantum dots",
    S. Yamamoto, R. Matsusaki, R. Kaji, and S. Adachi*,
    Phys. Rev. B 97, 075309/1-8 (2018).
    (DOI: 10.1103/PhysRevB.97.075309) [PRB]
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    2017

  21. "Dynamic nuclear spin polarization in self-assembled quantum dots under zero magnetic field",
    R. Matsusaki, R. Kaji*, S. Yamamoto, H. Sasakura, and S. Adachi,
    arXiv:1703.06046 [cond-mat]
  22. "Effect of isotopic purification on spectral hole narrowing in 167Er3+ hyperfine transitions",
    T. Tawara*, G. Mariani, K. Shimizu, H. Omi, S. Adachi, and H. Gotoh
    Appl. Phys. Express 10, 042801/1-4 (2017).
    (DOI: 10.7567/APEX.10.042801) [APEX]
  23. "Mechanism of concentration quenching in epitaxial (ErxSc1-x)2O3 thin layers",
    T. Tawara*, Y. Kawakami, H. Omi, R. Kaji, S. Adachi, and H. Gotoh
    Opt. Mater. Express 7, 1097-1104 (2017).
    (DOI: 10.1364/OME.7.0010971) [OME]
  24. "Excitation energy dependence of initial phase shift in Kerr rotation of resident electron spin polarization in a CdTe single quantum well",
    L.-P. Yan, T. Takamure, R. Kaji, G. Karczewski, S. Takeyama, and S. Adachi*,
    Phys. Status Solidi B 254, 1600449/1-6 (2017)
    (DOI: 10.1002/pssb.201600449) [pssb]
  25. "Anisotropic nature of hole g-factor in individual InAs quantum rings",
    R. Kaji*, T. Tominaga, Y.-N. Wu, S.-J. Cheng, and S. Adachi,
    Phys. Status Solidi B 254, 1600486/1-7 (2017)
    (DOI: 10.1002/pssb.201600486) [pssb]
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    2015

  27. "Electron and hole in-plane g-factors in single InAs quantum rings",
    R. Kaji*, T. Tominaga, Y.-N. Wu, S.-J. Cheng, and S. Adachi,
    J. Phys.: Conf. Ser. 647, 012011/1-4 (2015).
    (DOI: 10.1088/1742-6596/647/1/012011) [JPCS]
  28. "Energy transfers in telecommunication-band region of (Sc,Er)2O3 thin films grown on Si(111)",
    S. Adachi*, Y. Kawakami, R. Kaji, T. Tawara, H. Omi,
    J. Phys.: Conf. Ser. 647, 012031/1-4 (2015).
    (DOI: 10.1088/1742-6596/647/1/012031) [JPCS]
  29. "Optical detection of anisotropic g-factor and nuclear spin polarization in a single CdTe quantum well",
    L.-P. Yan, M. Kurosawa, W.-T. Hsu, W.-H. Chang, and S. Adachi*,
    Jpn. J. Appl. Phys. 54, 033003/1-4 (2015).
    (DOI: 10.7567/JJAP.54.033003) [JJAP]
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    2014

  31. "Negative initial phase shift of Kerr rotation generated from the building-up process of resident electron spin polarization in a CdTe single quantum well",
    L.-P. Yan, M. Kurosawa, R. Kaji, G. Karczewski, S. Takeyama, and S. Adachi*,
    Phys. Rev. B 90, 205307/1-6 (2014).
    (DOI: 10.1103/PhysRevB.90.205307) [PRB]
  32. "Dispersions of hole and electron g-factors in single InAs quantum rings evaluated using optically induced nuclear spin polarization",
    R. Kaji*, T. Hozumi, Y. Hachiyama, T. Tomii, H. Sasakura, M. Jo, and S. Adachi,
    Appl. Phys. Express 7, 065002/1-4 (2014).
    (DOI: 10.7567/APEX.7.065002) [APEX]
  33. "Effective nuclear field measurement in a single quantum well via time-resolved Kerr rotation technique",
    L.-P. Yan, R. Kaji, and S. Adachi*,
    Advanced Materials Research 936, 534-539 (2014).
    (DOI: 10.4028/www.scientific.net/AMR.936.534) [AMR]
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    2013

  35. "Population dynamics in epitaxial Er2O3 thin films grown on Si(111)",
    T. Tawara*, H. Omi, T. Hozumi, R. Kaji, S. Adachi, H. Gotoh, T. Sogawa,
    Appl. Phys. Lett. 102, 241918/1-4 (2013).
    (DOI: 10.1063/1.4812294) [APL]
  36. "Effects of valence band mixing on hole spin coherence via hole-nuclei hyperfine interaction in InAlAs quantum dots",
    R. Kaji*, S. Ohno, T. Hozumi, S. Adachi,
    J. Appl. Phys. 113, 203511/1-6 (2013).
    (DOI: 10.1063/1.4807901) [JAP]
  37. "Exciton-exciton interactions in tensile-strained GaN",
    Y. Toda*, K. Shigematsu, A. Hasegawa, S. Adachi,
    Jpn. J. Appl. Phys. 52 08JL03/1-3 (2013).
    (DOI: 10.7567/JJAP.52.08JL03) [JJAP]
  38. "Size distribution and its scaling behavior of InAlAs/AlGaAs quantum dots grown on GaAs by molecular beam epitaxy",
    X. M. Lu, M. Koyama, Y. Izumi, Y. Nakata, S. Adachi, S. Muto*
    Jpn. J. Appl. Phys. 52 025602/1-4 (2013).
    (DOI: 10.7567/JJAP.52.025602) [JJAP]
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    2012

  40. "Signatures of Γ15 mixed-mode polaritons in polarized reflectance spectra of ZnO",
    A. Takagi, A. Nakamura, A. Yoshikaie, S. Yoshioka, S. Adachi, S. F. Chichibu, T. Sota*
    J. Phys.: Condens. Matter 24 415801/1-8 (2012).
    (DOI:10.1088/0953-8984/24/41/415801) [JPCM]
  41. "Nuclear spin depolarization via slow spin diffusion in single InAlAs quantum dots observed by using erase-pump-probe technique",
    S. Adachi*, R. Kaji, S. Furukawa, Y. Yokoyama, S. Muto,
    J. Appl. Phys. 111 103531/1-6 (2012).
    (DOI: 10.1063/1.4721902) [JAP]
  42. "Valence-band-ordering of a strain-free bulk ZnO single crystal identified by four-wave-mixing spectroscopy technique",
    K. Hazu, S. F. Chichibu*, S. Adachi, T. Sota,
    J. Appl. Phys. 111 093522/1-6 (2012).
    (DOI: 10.1063/1.4711103) [JAP]
  43. "Direct observation of nuclear field fluctuation in single quantum dots",
    R. Kaji*, S. Adachi, H. Sasakura, S. Muto,
    Phys. Rev. B 85, 155315/1-6 (2012).
    (DOI: 10.1103/PhysRevB.85.155315) [PRB]
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    2011

  45. "Optical anisotropy and photoluminescence polarization in single InAlAs quantum dots",
    S. Ohno, S. Adachi, R. Kaji, S. Muto, H. Sasakura,
    Appl. Phys. Lett. 98, 161912/1-3 (2011).
    (DOI: 10.1063/1.3583453) [APL]
  46. "Effects of growth conditions on the size and density of self-assembled InAlAs/AlGaAs quantum dots grown on GaAs by molecular beam epitaxy",
    X. M. Lu, Y. Izumi, M. Koyama, Y. Nakata, S. Adachi, S. Muto,
    J. Crystal Growth 322, 6-9 (2011).
    (DOI: 10.1016/j.jcrysgro.2011.02.034) [JCG]
  47. "Effects of inter-molecular charge-transfer excitons on the external quantum efficiency of zinc-porphyrin/C60 heterojunction photovoltaic cells",
    S. Ryuzaki, T. Kai, Y. Toda, S. Adachi, J. Onoe,
    J. Physics D 44, 145103/1-4 (2011).
    (DOI:10.1088/0022-3727/44/14/145103) [JPD]
  48. "Exciton spin alignment observed via Hanle effect in single quantum dots",
    R. Kaji, S. Adachi, S. Muto,
    phys. stat. sol. (c) 8, 30-33 (2011).
    (DOI: 10.1002/pssc.201000685) [pssc]
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    2010

  50. "Transient grating studies of phase and spin relaxations of excitons in GaAs single quantum wells",
    K. Tomoda, S. Adachi, S. Muto, S. Shimomura,
    Physica E 42, 2714-2717 (2010).
    (DOI: 10.1016/j.physe.2009.12.009) [PE]
  51. "Polarization conversion of excitonic photoluminescence under zero and nonzero magnetic fields in single InAlAs quantum dots",
    R. Kaji, T. Shindo, S. Adachi, S. Muto,
    Physica E 42, 2501-2504 (2010).
    (DOI: 10.1016/j.physe.2010.01.051) [PE]

  52. Related Papers

  53. "光波混合法による窒化ガリウム薄膜での励起子間相互作用の実空間マッピング
    (Real Space Mapping of Exciton Interaction Strength in GaN Films by using Four-Wave-Mixing Technique)" [in Japanese],
    足立智,戸田泰則 (S. Adachi and Y. Toda),
    J. Vac. Soc. Jpn. 53(6), 387-392 (2010).
    (DOI: 10.3131/jvsj2.53.387) [JVSJ]
  54. "核スピンを光で見る・操作する. 半導体量子ドットの動的核偏極
    (Dynamic Nuclear Spin Polarization in Semiconductor Quantum Dots)" [in Japanese],
    笹倉弘理, 鍜治怜奈,足立智,武藤俊一 (H. Sasakura, R. Kaji, S. Adachi, and S. Muto),
    日本物理学会誌 65(4), 247-250 (2010).
    (DOI: 10.11316/butsuri.65.4_247) [MJPSJ]
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    2009

  56. "Quasiresonant exciton spin orientation and alignment in a single quantum dot under zero and nonzero magnetic fields",
    R. Kaji, S. Adachi, S. Shindo, and S. Muto,
    Phys. Rev. B 80, 235334/1-6 (2009).
    (DOI: 10.1103/PhysRevB.80.235334) [PRB]
  57. "Spin-flip quenching in trion state mediated by optical phonons in a single quantum dot",
    H. Kumano, S. Ekuni, H. Kobayashi, H. Sasakura, I. Suemune, S. Adachi, S. Muto,
    phys. stat. sol. (b) 246, 775-778 (2009).
    (DOI: 10.1002/pssb.200880619) [pssb]
  58. "Formation of nanoscale magnetic field by nuclear spin polarization in individual quantum dots",
    H. Sasakura, S. Adachi, R. Kaji, S. Muto,
    phys. stat. sol. (c) 6, 837-840 (2009).
    (DOI: 10.1002/pssc.200880629) [pssc]
  59. "Zero effective electron g-factor of QD realized by optically induced nuclear field",
    H. Sasakura, S. Adachi, R. Kaji, K. Yamada, and S. Muto,
    phys. stat. sol. (b) 246, 784-787 (2009).
    (DOI: 10.1002/pssb.200880627) [pssb]
  60. "Coherent dynamics of exciton fine structure in uniaxially-strained GaN",
    T. Ishiguro, Y. Toda, and S. Adachi,
    J. Phys. Soc. Jpn. 78, 104718/1-4 (2009).
    (DOI: 10.1143/JPSJ.78.104718) [JPSJ]
  61. "Four-wave-mixing study of exciton fine structure in GaN",
    T. Ishiguro, Y. Toda, S. Adachi, K.Tadatomo, and K. Hoshino,
    phys. stat. sol. (c) 6, 42-45 (2009).
    (DOI: 10.1002/pssc.200779833) [pssc]
  62. "Study on dephasing dynamics of Exciton Fine Structure in GaN",
    T. Ishiguro, Y. Toda, S. Adachi, S. F. Chichibu,
    physica status solidi (c) 6, S719-S722 (2009).
    (DOI: 10.1002/pssc.200880829) [pssc]
  63. "Spatial properties of exciton-exciton interactions in GaN observed by four-wave-mixing spectroscopy",
    Y. Toda, T. Ishiguro, K. Yamaguchi, K. Hoshino, K. Tadatomo, S. Adachi,
    phys. stat. sol. (c) 6, S684-S686 (2009).
    (DOI 10.1002/pssc.200880771) [pssc]
  64. "Coherent transfer of orbital angular momentum to excitons by optical four-wave mixing",
    Y. Ueno, Y. Toda, S. Adachi, R. Morita, T. Tawara,
    Optics Express 17, 20567-20574 (2009).
    (DOI: 10.1364/OE.17.020567) [OptExp]
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    2008

  66. "Optical evaluation of electron and hole g factors in single quantum dots",
    R. Kaji, K. Yamada, H. Sasakura, and S. Adachi,
    phys. stat. sol. (b) 245, 2662-2666 (2008).
    (DOI: 10.1002/pssb.200879842) [pssb]
  67. "Hysteretic response of the electron-nuclear spin system in single InAlAs quantum dots: Dependences on excitation power and polarization",
    R. Kaji, S. Adachi, H. Sasakura, S. Muto,
    Phys. Rev. B 77, 115345/1-5 (2008).
    (DOI: 10.1103/PhysRevB.77.115345) [PRB]
  68. "Excitation power dependence of optically pumped nuclear spin polarizations in single InAlAs QDs",
    R. Kaji, H. Sasakura, S. Adachi, S. Muto,
    phys.stat. sol. (c) 5, 298-301 (2008).
    (DOI: 10.1002/pssc.200776555) [pssc]
  69. "Fourier spectroscopy of decoherence of exciton and their complexes in single InAlAs quantum dots",
    S. Adachi, H. Sasakura, N. Yatsu, R. Kaji, K. Yamada, S. Muto, H. Kumano, I. Suemune,
    phys.stat. sol. (c) 5, 351-355 (2008).
    (DOI: 10.1002/pssc.200776553) [pssc]
  70. "Nuclear and excitonic spin polarization formed using cross-linearly polarized pulse pair via half-localized state in a single self-assembled quantum dot",
    H. Sasakura, S. Adachi, S. Muto, S. Hirose, H. Z. Song, M. Takatsu,
    J. Appl. Phys. 103, 103530/1-5 (2008).
    (DOI: 10.1063/1.2927448) [JAP]
  71. "Discrimination of quantum dots using an optically created nuclear field",
    H. Sasakura, R. Kaji, S. Adachi, S. Muto,
    Appl. Phys. Lett. 92, 041915/1-3 (2008).
    (DOI: 10.1063/1.2839615) [APL]
  72. "Single photon emission with high degree of circular polarization from a single quantum dot under zero magnetic field",
    H. Kumano, H. Kobayashi , Y. Hayashi, M. Jo, I. Suemune, H. Sasakura, S. Adachi, S. Muto,
    Physica E 40, 1824-1827 (2008).
    (DOI: 10.1016/j.physe.2007.10.041) [PE]
  73. "Excitonic spin-state preservation mediated by optical-phonon resonant excitation in a single quantum dot",
    H. Kumano, H. Kobayashi, S. Ekuni, Y. Hayashi, M. Jo, H. Sasakura, I. Suemune, S. Adachi, S. Muto,
    Phys. Rev. B 78, 081306(R)/1-4 (2008).
    (DOI: 10.1103/PhysRevB.78.081306) [PRB]
  74. "Highly circular-polarized single photon generation from a single quantum dot at zero magnetic field",
    H. Kobayashi, H. Kumano, M. Endo, M. Jo, I. Suemune, H. Sasakura, S. Adachi, S. Muto,
    Microelectronics Journal 39, 327-330 (2008). (DOI: 10.1016/j.mejo.2007.07.098) [MEJ]
  75. "Highly sensitive optical probe for uniaxial strain in GaN epitaxial films",
    Y. Toda, T. Ishiguro, S. Adachi, K. Hoshino, K. Tadatomo,
    phys.stat. sol. (b) 245, 878-880 (2008).
    (DOI: 10.1002/pssb.200778435) [pssb]

  76. Related Papers

  77. "Four-wave mixing spectroscopy of ultraviolet excitons in strained GaN",
    T. Ishiguro, Y. Toda, S. Adachi, and S. F. Chichibu,
    Proceedings of SPIE 6892, Ultrafast Phenomena in Semiconductors and Nanostructure Materials XII , 689219/1-11 (2008).
    (DOI: 10.1117/12.762839) [SPIE-UPS]
  78. "量子ドットを用いた量子計算 (Quantum Computation Using Semiconductor Quantum Dots)" [in Japanese],
    武藤俊一,足立 智,笹倉弘理 (S. Muto, S. Adachi, H. Sasakura),
    電子情報通信学会誌(The Jornal of the Institute of Electronics Information and Communication Engineers) 91(11), 931-939 (2008). [JIEICE]
  79. return to pagetop

    2007

  80. "Decoherence of exciton complexes in single InAlAs quantum dots measured by Fourier spectroscopy",
    S. Adachi, N. Yatsu, R. Kaji, S. Muto, and H. Sasakura,
    Appl. Phys. Lett. 91, 161910/1-3 (2007).
    (DOI: 10.1063/1.2800373) [APL]
  81. "Precise measurements of electron and hole g-factors of single quantum dots by using nuclear field",
    R. Kaji, S. Adachi, H. Sasakura, S. Muto,
    Appl. Phys. Lett. 91, 261904/1-3 (2007).
    (DOI: 10.1063/1.2827572) [APL]
  82. "Detailed measurements of nuclear spin polarizations in a single InAlAs quantum dot through Overhauser shift of photoluminescence",
    R. Kaji, S. Adachi, H. Sasakura, S. Muto, H. Kumano, I. Suemune,
    J. Supercond. Nov. Magn. 20, 447-451 (2007).
    (DOI: 10.1007/s10948-007-0240-9) [JSNM]
  83. "Effect of Indium-flush method on the control of photoluminescence energy of highly uniform self-assembled InAs quantum dots by slow molecular beam epitaxy growth",
    H. Sasakura, S. Kayamori, S. Adachi, S. Muto,
    J. Appl. Phys. 102, 013515/1-4 (2007).
    (DOI: 10.1063/1.2752598) [JAP]
  84. "Time-resolved four-wave mixing studies of excitons in GaN",
    K. Yamaguchi, Y. Toda, T. Ishiguro, S. Adachi, K. Hoshino, K. Tadatomo,
    phys. stat. sol. (c) 4, 2752-2755 (2007).
    (DOI: 10.1002/pssc.200674703) [pssc]
  85. "Coherent manipulation of A and B excitons in GaN",
    T. Ishiguro, Y. Toda, S. Adachi, K. Hazu, T. Sota, S. F. Chichibu,
    phys. stat. sol. (c) 4, 2776-2779 (2007).
    (DOI: 10.1002/pssc.200674741) [pssc]
  86. "Exciton spin relaxation in GaN observed by spin grating experiment",
    T. Ishiguro, Y. Toda, S. Adachi,
    Appl. Phys. Lett. 90, 011904/1-3 (2007).
    (DOI: 10.1063/1.2430402) [APL]
  87. "Time-resolved photoluminescence in annealed self-assembled InAs quantum dots",
    H. Nishida, S. Kayamori, H. Sasakura, S. Adachi, S. Muto, I. Suemune,
    phys. stat. sol. (c) 3, 4299-4302 (2007).
    (DOI: 10.1002/pssc.200672851) [pssc]
  88. return to pagetop

    2006

  89. "Overhauser shift in photoluminescence of excitons with fine structure from a single self-assembled InAlAs quantum dot",
    T. Mukumoto, R. Kaji, H. Sasakura, S. Adachi, H. Kumano, S. Muto, I. Suemune,
    phys. stat. sol. (c) 3, 4372-4375 (2006).
    (DOI: 10.1002/pssc.200672810) [pssc]
  90. "Transient pump-probe measurements for polarized excitons in strained GaN epitaxial layers",
    T. Ishiguro, Y. Toda, S. Adachi, M. Arita, Y. Arakawa,
    phys. stat. sol. (b) 243, 1564-1567 (2006).
    (DOI: 10.1002/pssb.200565234) [pssb]
  91. "Degenerate four-wave mixing spectroscopy of GaN films on various substrates",
    T. Ishiguro, Y. Toda, S. Adachi, T. Mukai, K. Hoshino, Y. Arakawa,
    phys. stat. sol. (b) 243, 1560-1563 (2006).
    (DOI: 10.1002/pssb.200565167) [pssb]
  92. "In-plane anisotoropy in uniaxially-strained GaN films detected by optical diffraction technique",
    S. Adachi, Y. Toda, T. Ishiguro, K. Hoshino, Y. Arakawa,
    phys. stat. sol. (c) 3, 1595-1598 (2006).
    (DOI: 10.1002/pssc.200565143) [pssc] ,
    phys. stat. sol. (c) 3, 1361. (proceeding's cover)
    (DOI: 10.1002/pssc.200690009) [pssc]
  93. "Four-wave mixing measurements of biexcitons in uniaxially-strained GaN films",
    S. Adachi, Y. Toda, and T. Ishiguro,
    phys. stat. sol. (b) 243, 1568-1571 (2006).
    (DOI: 10.1002/pssb.200565298) [pssb]
  94. "Stimulated Raman adiabatic passage for photon-assisted tunneling in a double quantum dot",
    S. Abe, H. Sasakura, S. Adachi, S. Kayamori, S. Muto,
    phys. stat. sol. (c) 3, 4295-4298 (2006).
    (DOI: 10.1002/pssc.200690009) [pssc]
  95. "Origin of asymmetric splitting of a neutral exciton in a single semiconductor quantum dot",
    I. Suemune, H. Kumano, S. Kimura, H. Sasakura, S. Adachi, S. Muto, H. Z. Song, S. Hirose, and T. Usuki,
    phys. stat. sol. (c) 3, 3908-3911.
    (DOI: 10.1002/pssc.200671611) [pssc]
  96. "Triggered single photon emission and cross-correlation properties in InAlAs quantum dot",
    H. Kumano, S. Kimura, M. Endo, I. Suemune, H. Sasakura, S. Adachi, S. Muto, H. Z. Song, S. Hirose, T. Usuki,
    Physica E 32, 144-147 (2006).
    (DOI: 10.1016/j.physe.2005.12.027) [PE]
  97. "Deterministic single-photon and polarization-correlated photon-pair generations from a single InAlAs quantum dot",
    H. Kumano, S. Kimura, M. Endo, H. Sasakura, S. Adachi, S. Muto, and I. Suemune,
    J. Nanoelectron. Optoelectron. 1, 39-51 (2006).
    (DOI: 10.1166/jno.2006.003) [JNO]
  98. return to pagetop

    2005

  99. "Optical diffraction spectroscopy of excitons in uniaxially-strained GaN films",
    Y. Toda, S. Adachi, Y. Abe, K. Hoshino, and Y. Arakawa,
    Phys. Rev. B 71, 195315/1-4 (2005).
    (DOI: 10.1103/PhysRevB.71.195315) [PRB]
  100. "Polarization-dependent shift in excitonic Zeeman splitting of self-assembled In0.75Al0.25As/Al0.3Ga0.7As quantum dots",
    T. Yokoi, S. Adachi, H. Sasakura, S. Muto, H. Z. Song, T. Usuki, and S. Hirose,
    Phys. Rev. B 71, R041307/1-4 (2005).
    (DOI: 10.1103/PhysRevB.71.041307) [PRB]
  101. "Observation of Overhauser shift in a self-assembled InAlAs quantum dot",
    T. Yokoi, S. Adachi, H. Sasakura, S. Muto, H. Z. Song, T. Usuki, and S. Hirose,
    Physica E 29, 510-514 (2005). (DOI: 10.1016/j.physe.2005.06.016) [PE]
  102. "Long spin relaxation in self-assembled InAlAs quantum dots observed by heterodyne four-wave mixing",
    T. Watanuki, S. Adachi, H. Sasakura, and S. Muto,
    Appl. Phys. Lett. 86, 063114/1-3 (2005).
    (DOI: 10.1063/1.1861978) [APL]
  103. "Photon-spin qubit-conversion based on Overhauser shift of Zeeman energies in quantum dots",
    S. Muto, S. Adachi, T. Yokoi, H. Sasakura,I. Suemune,
    Appl. Phys. Lett. 87, 112506/1-3 (2005).
    (DOI: 10.1063/1.2043229) [APL]
  104. "Single-photon generation from InAlAs single quantum dot",
    S. Kimura, H. Kumano, M. Endo, I. Suemune, T. Yokoi, H. Sasakura, S. Adachi, S. Muto, H. Z. Song, S. Hirose, T. Usuki,
    phys. stat. sol. (c) 2, 3833-3837 (2005).
    (DOI: 10.1002/pssc.200562027) [pssc]
  105. "Photon antibunching observed from an InAlAs single quantum dot",
    S. Kimura, H. Kumano, M. Endo, I. Suemune, T. Yokoi, H. Sasakura, S. Adachi, S. Muto, H. Z. Song, S. Hirose, T. Usuki,
    Jpn. J. Appl. Phys. (Express Lett.) 44, L793-L796 (2005).
    (DOI: 10.1143/JJAP.44.L793) [JJAP]
  106. "Spectrally-resolved nonlinear spectroscopy of in-plane anisotoropy in uniaxially-strained GaN epilayers",
    S. Adachi, Y. Toda,
    phys. stat. sol. (c) 2, 3936-3940 (2005).
    (DOI: 10.1002/pssc.200562033) [pssc]
  107. "Polarization and wave-vector dependent measurements by four-wave mixing in ZnO: Valence-band ordering and biexcitons",
    S. Adachi,
    J. Lumin. 112, 34-39 (2005).
    (DOI: 10.1016/j.jlumin.2004.09.073) [JL]
  108. "Observation of spin relaxation in self-assembled InAlAs quantum dots by using four-wave mixing technique",
    S. Adachi, T. Watanuki, H. Sasakura, S. Muto,
    phys. stat. sol. (c) 2, 854-857 (2005).
    (DOI: 10.1002/pssc.200460350) [pssc]
  109. "Dynamic nuclear polarization in a self-assembled InAlAs quantum dot",
    S. Adachi, T. Yokoi, H. Sasakura, S. Muto, H. Kumano, I. Suemune,
    phys. stat. sol. (c) 2, 3838-3842 (2005).
    (DOI: 10.1002/pssc.200562032) [pssc]
  110. "Biexcitons and their dephasing processes in ZnO",
    S. Adachi, K. Hazu, T. Sota, S.F. Chichibu, G. Cantwell, D.C. Reynolds, C.W. Litton,
    phys. stat. sol. (c) 2, 890-895 (2005).
    (DOI: 10.1002/pssc.200460332) [pssc]
  111. "Measurements of exciton-polariton dynamics in ZnO by using nonlinear spectroscopic techniques",
    K. Hazu, T. Sota, S. Adachi, S.F. Chichibu,
    J. Lumin. 112, 7-10 (2005).
    (DOI: 10.1016/j.jlumin.2004.09.033) [JL]

  112. Related Papers

  113. "コヒーレントフォノン計測 (Detection of Coherent Phonons)" [in Japanese],
    足立 智 (S. Adachi),
    レーザーハンドブック 26章レーザーによる科学計測 第4節 (オーム社,2005).
  114. return to pagetop

    2004

  115. "Biexciton formation and exciton-exciton correlation effects in bulk ZnO",
    S. Adachi, K. Hazu, T. Sota, S.F. Chichibu, G. Cantwell, D.B. Eason, D.C. Reynolds, C.W. Litton,
    Semicond. Sci. Technol. 19, S276-S278 (2004).
    (DOI: 10.1088/0268-1242/19/4/092) [SST]
  116. "Phonon scattering of excitons and biexcitons in ZnO",
    K. Hazu, T. Sota, S. Adachi, S.F. Chichibu, G. Cantwell, D.C. Reynolds, C.W. Litton,
    Phys. Rev. B 71, R041307/1-4 (2004).
    (DOI: 10.1103/PhysRevB.71.041307) [PRB]
  117. "Phonon scattering of excitons and biexcitons in ZnO",
    K. Hazu, T. Sota, S. Adachi, Sf. Chichibu, G. Cantwell, D. C. Reynolds, and C. W. Litton,
    J. Appl. Phys. 96, 1270-1272 (2004).
    (DOI: 10.1063/1.1760831) [JAP]
  118. "Impact of the k-linear term on nonlinear optical response of the C-exciton manifold in ZnO",
    K. Hazu, K. Torii, T. Sota, S. Adachi, S.F. Chichibu, D.C. Reynolds, C.W. Litton, G. Cantwell,
    J. Appl. Phys. 95, 5498-5501 (2004).
    (DOI: 10.1063/1.1710727) [JAP]
  119. "Spin depolarization via tunneling effects in asymmetric double quantum dot structure",
    H. Sasakura, S. Adachi, S. Muto, H. Song, T. Miyazawa, and T. Usuki,
    Jpn. J. Appli. Phys. 43, 2110-2113 (2004).
    (DOI: 10.1143/JJAP.43.2110) [JJAP]
  120. "Coulomb interaction in asymmetric triple-coupled quantum dots",
    H. Sasakura, S. Adachi, S. Muto, T. Usuki, and M. Takatsu,
    Semicond. Sci. Technol. 19, S409-S411 (2004).
    (DOI: 10.1088/0268-1242/19/4/134) [SST]
  121. "Carrier tunneling in asymmetric coupled quantum dots",
    H. Sasakura, S. Adachi, S. Muto, H.Z. Song, T. Miyazawa, Y. Nakata,
    Physica E 21, 511-515) (2004).
    (DOI: 10.1016/j.physe.2003.11.076) [PE]
  122. return to pagetop

    2003

  123. "Exciton-exciton interactions and heterobiexciton in GaN",
    S. Adachi, S. Muto, K. Hazu, T. Sota, K. Suzuki, S.F. Chichibu, T. Mukai,
    Phys. Rev. B 67, 205212/1-5 (2003).
    (DOI: 10.1103/PhysRevB.67.205212) [PRB]
  124. "Exciton-exciton correlation effects on FWM in GaN",
    S. Adachi, H. Sasakura, S. Muto, K. Hazu, T. Sota, SF. Chichibu , and T. Mukai,
    phys. stat. sol. (b) 240, 348-351 (2003).
    (DOI: 10.1002/pssb.200303254) [pssb]
  125. "Observation of population transfer to dark exciton states by using spin-diffracted four-wave mixing",
    O. Ikeuchi, S. Adachi, H. Sasakura, and S. Muto,
    J. Appl. Phys. 93, 9634-9638 (2003).
    (DOI: 10.1063/1.1575920) [JAP]
  126. "Strong biexcitonic effects and exciton-exciton correlations in ZnO",
    K. Hazu, T. Sota, K. Suzuki, S. Adachi, S.F. Chichibu, G. Cantwell, D.B. Eason, D.C. Reynolds, C.W. Litton,
    Phys. Rev. B 68, 033205/1-4 (2003).
    (DOI: 10.1103/PhysRevB.68.033205) [PRB]
  127. "Quantum gates based on electron spins of triple quantum dot",
    H. Sasakura, S. Adachi, S. Muto,
    Jpn. J. Appl. Phys. 42, 6308-6313 (2003).
    (DOI: 10.1143/JJAP.42.6308) [JJAP]

  128. Related Papers

  129. "Scattering processes and dynamics of exciton-biexciton system in GaN",
    S. Adachi, K. Hazu, T. Sota, SF. Chichibu, T. Mukai, S. Muto, K. Suzuki,
    Proceedings of SPIE 4992, Ultrafast Phenomena in Semiconductors VII, pp. 188-201 (2003).
    (DOI: 10.1117/12.475699) [SPIE-UPS]
  130. "Spin-diffracted four-wave mixing measurements of exciton spin relaxation and population transfer to dark states",
    S. Adachi, S. Maki, O. Ikeuchi, H. Sasakura, S. Muto,
    Proceedings of SPIE 4992, Ultrafast Phenomena in Semiconductors VII, pp. 241-248 (2003).
    (DOI: 10.1117/12.475704) [SPIE-UPS]
  131. "Optical nonlinearities of excitons in ZnO single crystal",
    K. Hazu, T. Sota, K. Suzuki, S. Adachi, S.F. Chichibu,
    Proceedings of SPIE 4992, Ultrafast Phenomena in Semiconductors VII, pp. 257-263 (2003).
    (DOI: 10.1117/12.475710) [SPIE-UPS]
  132. return to pagetop

    2002

  133. "Quantum gates using tunneling electron spins of a quantum-dot chain",
    S. Muto, H. Sasakura, S. Adachi, Y. Kajiwara, K. Shiramine,
    Physica E 13, 616-619 (2002).
    (DOI: 10.1016/S1386-9477(02)00199-6) [PE]
  134. "Optical nonlinearities and phase relaxation of excitons in GaN",
    K. Hazu, A. Shikanai, T. Sota, K. Suzuki, S. Adachi, S.F. Chichibu, T. Mukai,
    Phys. Rev. B 65, 195202/1-8 (2002).
    (DOI: 10.1103/PhysRevB.65.195202) [PRB]

  135. Related Papers

  136. "コヒーレントフォノンの励起・制御と応用 (Excitation, Control and Applications of Coherent Phonons)" [in Japanese],
    足立 智 (S. Adachi),
    電気学会誌 (Membership Magazine of The Institute of Electrical Engineers of Japan) 122(11), 744-745 (2002).
    (DOI: 10.1541/ieejjournal.122.744) [IEEJ]
  137. return to pagetop

    2001

  138. "Photo-induced magnetic polarons in semiconductors",
    S. Takeyama, S. Adachi, Y. Takagi,
    Phase Transitions 74, 175-207 (2001).
    (DOI: 10.1080/01411590108224568) [PT]
  139. "Photoexcited spin states in diluted magnetic semiconductor quantum structures",
    S. Takeyama, H. Mino, S. Adachi, T. Stirner, W.E. Hagston, H. Yokoi, Yu.G. Semenov, S.W. Tozer, Y. Kim, G. Karczewski, J. Kossut,
    Physica B 294/295, 453-458 (2001).
    (DOI: 10.1016/S0921-4526(00)00698-0) [PB]
  140. "Dynamical spin properties of exciton and biexciton in CdMnTe/CdTe/CdMgTe single quantum well",
    S. Adachi, T. Tsuchiya, H. Mino, S. Takeyama, G. Karczewski, T. Wojitowicz, J. Kossut,
    Physica E 10, 305-309 (2001).
    (DOI: 10.1016/S1386-9477(01)00105-9) [PE]
  141. "Biexciton spin states of diluted magnetic semiconductor quantum wells in high magnetic fields",
    H. Mino, S. Takeyama, S. Adachi, G. Karczewski, T. Wojitowicz, J. Kossut,
    Physica B 298, 421-425 (2001).
    (DOI: 10.1016/S0921-4526(01)00354-4) [PB]
  142. ページのトップへ戻る

    2000

  143. "Real-space and real-time imaging of polariton wavepackets",
    S. Adachi, R. M. Koehl, K. A. Nelson,
    J. Lumin. 87-89, 840-843 (2000).
    (DOI: 10.1016/S0022-2313(99)00434-2) [JL]
  144. "Optical sampling four-wave-mixing experiment for exciton relaxation processes",
    S. Adachi, Y. Takagi, J. Takeda, K. A. Nelson,
    Opt. Commun. 174, 291-298 (2000).
    (DOI: 10.1016/S0030-4018(99)00684-7) [OC]
  145. "Biexcitons in CdMnTe/CdTe/CdMgTe single quantum well",
    S. Adachi, Y. Takagi, S. Takeyama,
    J. Crystal Growth 214/215, 819-8228 (2000).
    (DOI: 10.1016/S0022-0248(00)00194-9) [JCG]
  146. return to pagetop

    before 2000

  147. "Subpicosecond optical sampling spectrometer using asynchronous tunable mode-locked laser ",
    Y. Takagi, S. Adachi,
    Review of Scientific Instruments 70, 2218-22248 (1999).
    (DOI: 10.1063/1.1149740) [RSI]
  148. "Photo-induced magnetic polarons in low-dimensional dilute magnetic semiconductors ",
    S. Takeyama, S. Adachi, Y. Takagi, G. Karczewski, T. Wojitowicz, J. Kossut, T. Karasawa,
    Materials Science and Engineering B 63, 111 - 118 (1999).
    (DOI: 10.1016/S0921-5107(99)00060-4) [MSEB]
  149. "Real-space polariton wave packet imaging ",
    R. M. Koehl, S. Adachi, K. A. Nelson,
    J. Chem. Phys. 110, 1317-1320 (1999).
    (DOI: 10.1063/1.478007) [JCP]
  150. "Direct visualization of collective wavepacket dynamics",
    R. M. Koehl, S. Adachi, K. A. Nelson,
    J. Phys. Chem. A 103, 10260-10267 (1999).
    (DOI: 10.1021/jp9922007) [JPCA]
  151. "Multiple-pulse control and bispectral 2D Raman analysis of nonlinear lattice dynamics",
    R. M. Koehl, S. Adachi, K. A. Nelson,
    Ultrafast Phenomena XI, Volume 63 of the series Springer Series in Chemical Physics pp 136-138.
    (DOI:10.1007/978-3-642-72289-9_42) [UFP]
  152. "フォノンポラリトンの実空間イメージング", [in Japanese]
    S. Adachi, R. M. Koehl, and K. A. Nelson,
    日本物理学会誌 54(5), 357-363 (1999). (DOI:10.11316/butsuri1946.54.357) [MJPSJ]
  153. "Exciton spin concept or separate-particle spin concept in spin dynamical processes of excitons?",
    S. Adachi, Y. Takagi,
    Physics of Low-Dimensional Structures 1/2, 133-142 (1998). [PLDS]
  154. "目に見えるフォノンポラリトン伝播-実空間でのフォノンポラリトンイメージング-", [in Japanese]
    足立 智,
    固体物理 33, 765-7742 (1998). [SSP]
  155. "Picosecond solvation dynamics in HDITCI molecules by dual-wavelength optical sampling pump-probe technique",
    Y. Takagi, S. Adachi,
    J. Lumin. 72/74, 546-547 (1997).
    (DOI: 10.1016/S0022-2313(96)00409-7) [JL]
  156. "Polarization choices in exciton-biexciton system of GaAs quantum wells",
    S. Adachi, T. Miyashita, S. Takeyama, Y. Takagi, A. Tackeuchi, M. Nakayama,
    Phys. Rev. B 55, 1654-1660 (1997).
    (DOI: 10.1103/PhysRevB.55.1654) [PRB]
  157. "Ultrafast optical sampling spectroscopy of exciton dynamics in quantum wells",
    S. Adachi, S. Takeyama, Y. Takagi, A. Tackeuchi, S. Muto,
    Progress in crystal growth and characterization of materials 33, 117-120 (1996).
    (DOI: 10.1016/0960-8974(96)83625-4) [PCGCM]
  158. "Ultrafast optical sampling pump-probe measurement of exciton spin relaxation in GaAs/AlGaAs quantum wells",
    S. Adachi, S. Takeyama, Y. Takagi, A. Tackeuchi, S. Muto,
    Appl. Phys. Lett. 68, 964-966 (1996).
    (DOI: 10.1063/1.116113) [APL]
  159. "フェムト秒パルスによる時間分解分光", [in Japanese]
    高木 芳弘,足立 智,
    応用物理 65(9), 966-967 (1996).
    (DOI: 10.11470/oubutsu1932.65.966) [MJAP]
  160. "Exciton localization by magnetic polarons and alloy fluctuations in the diluted magnetic semiconductor Cd1-xMnxTe",
    S. Takeyama, S. Adachi, Y. Takagi and V. F. Aguekian,
    Phys. Rev. B 52, 1444-1447 (1995).
    (DOI: 10.1103/PhysRevB.51.4858) [PRB]
  161. "Exciton magneto-photoluminescence affected magnetic polarons and alloy fluctuations in the diluted magnetic semiconductor Cd1-xMnxTe ",
    S. Takeyama, S. Adachi, Y. Takagi and V. F. Aguekian,
    Phys. Rev. B 51, 4858-4864 (1995).
    (DOI: 10.1103/PhysRevB.52.1444) [PRB]
  162. "Exciton magneto-optical study on single quantum wells Cd1-xZnxTe/Cd1-x'-yZnx'MnyTe",
    S. Takeyama, G. Grabecki, S. Adachi, T. Wojitowicz, G. Karczewski, J. Kossut,
    Acta Physica Polonica A 88, 945-948 (1995). [APPA]
  163. "Dual wavelength optical sampling technique for ultrafast transient bleaching spectroscopy",
    S. Adachi, S. Takeyama, Y. Takagi,
    Opt. Commun. 117, 71-77 (1995).
    (DOI: 10.1016/0030-4018(95)00141-T) [OC]
  164. "Exciton magnetic polarons in CdZnTe/CdZnMnTe quantum well",
    G. Grabecki, S. Takeyama, S. Adachi, Y. Takagi, T. Wojitowicz, G. Karczewski, and J. Kossut,
    Jpn. J. Appl. Phys. 34, 59-61 (1995).
    [JJAP]
  165. "Conductance fluctuations in PbSe: manifestation of ballistic transport in macroscale?",
    G. Grabecki, S. Takeyama, S. Adachi, Y. Takagi, T. Dietl, E. Kaminska, A. Piotrowska, E. Papis, N. Frank, and G. Bauer,
    Acta Physica Polonica A 88, 727-730 (1995). [APPA]
  166. "光による電子スピン配向と磁気変調効果", [in Japanese]
    高木芳弘,嶽山正二郎,足立 智,
    応用物理 64(3), 241-245 (1995).
    (DOI: 10.11470/oubutsu1932.64.241) [MJAP]
  167. "Numerical study on propagation of laser pulses in multi-level photoionization system",
    Y. W. Chen, C. Yamanaka, H. Niki, S. Adachi, Y. Izawa, S. Nakai,
    J. Opt. Soc. Am. B 11, 1585-1594 (1994).
    (DOI: 10.1364/JOSAB.11.001585) [JOSAB]
  168. "Ultrafast exciton spin relaxation in GaAs/AlGaAs and CdMnTe multiple quantum wells",
    Y. Takagi, S. Adachi, S. Takeyama, A. Tackeuchi, S. Muto and J. J. Dubowski,
    J. Lumin. 58, 202-205 (1994).
    (DOI: 10.1016/0022-2313(94)90396-4) [JL]
  169. "Quantization of the excitonic polaritons in CdTe/CdMnTe multiple quantum wells",
    S. Adachi, S. Takeyama, Y. Takagi, J.J. Dubowski, E. Deleporte,
    Superlattices and Microstructures 16, 1-4 (1994).
    (DOI: 10.1006/spmi.1994.1098) [SM]
  170. "Exciton localization in Cd1-xMnxTe and its dependence of the strong magnetic field",
    V. F. Aguekian, S. Takeyama, S. Adachi, Y. Takagi, and N. Miura,
    Solid State Commun. 86, 205-208 (1993).
    (DOI: 10.1016/0038-1098(93)90904-2) [SSC]
  171. "Direct observation of exciton magnetic polaron in CdMnTe from polarized magneto-photoluminescence",
    S. Takeyama, S. Adachi, Y. Takagi and V. F. Aguekian,
    Jpn. J. Appl. Phys. 32, Suppl. 32-3, 425-427 (1993). [JJAP]
  172. "Magnetic-field induced exciton photoluminescence in Cd1-xMnxTe (x = 0.15-0.45)",
    S. Takeyama, S. Adachi, Y. Takagi, N. Miura, VF. Aguekian,
    J. Crystal Growth 117, 1081 (1992).
    (DOI: 10.1016/0022-0248(92)90923-7) [JCG]
  173. "Numerical studies on parameters for stable adiabatic inversion by Gaussian and square pulses",
    S. Adachi, H. Niki, Y. Izawa, S. Nakai, C. Yamanaka,
    Jpn. J. Appl. Phys. 30, 2515-2518 (1991).
    (DOI: 10.1143/JJAP.30.2515) [JJAP]
  174. "Experimental and numerical studies on population trapping in Gd vapor",
    S. Adachi, H. Niki, Y. Izawa, S. Nakai, C. Yamanaka,
    Opt. Commun. 81, 364-368 (1991).
    (DOI: 10.1016/0030-4018(91)90599-9) [OC]
  175. "Measurement of dipole matrix element of atomic Gd transition using Rabi flopping",
    S. Adachi, H. Niki, Y. Izawa, S. Nakai, C. Yamanaka,
    Jpn. J. Appl. Phys. 29, L833-L836 (1990).
    (DOI: 10.1143/JJAP.29.L833) [JJAP]
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