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[文献書誌] Y.Shimada, K.Hirakawa, M.Odnoblioudov, K.A.Chao: "Terahertz conductivity and possible Bloch gain in semiconductor superlattices"Physical Review Letters. Vol.90,No.4. 46806-46809 (2003)
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[文献書誌] S.Madhavi, M.Abe, Y.Shimada, K.Hirakawa: "Non-equilibrium electron transport in wide miniband GaAs/AlGaAs superlattices at room temperature"Physical Review B. Vol.65,No.19. 193308-193311 (2002)
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[文献書誌] Y.Shimada, K.Hirakawa, S.-W.Lee: "Time-resolved terahertz emission spectroscopy of wide miniband GaAs/AlGaAs superlattices"Applied Physics Letters. Vol.81,No.9. 1642-1644 (2002)
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[文献書誌] Y.Shimada, K.Hirakawa: "Time-resolved THz spectroscopy of miniband transport in biased GaAs/AlGaAs superlattices"Inst. Phys. Conf. Ser.. No.170:Chapter 6. 395-400 (2002)
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[文献書誌] M.Abe, S.Madhavi, Y.Shimada, Y.Otsuka, K.: "Transient carrier velocities in bulk GaAs : quantitative comparison between terahertz data and emsemble Monte Carlo calculations"Applied Physics Letters. Vol.81,No.4. 679-681 (2002)
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[文献書誌] K.Hirakawa, S.-W.Lee, Ph.Lelong, S.Fujimoto, K.: "High-sensitivity modulation-doped quantum dot infrared photodetectors (invited)"Microelectronic Engineering. Vol.63. 185-192 (2002)
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[文献書誌] S.-W.Lee, K.Hirakawa: "Lifetime of photoexcited carriers in modulation-doped quantum dot infrared photodetectors"Physica E. Vol.13. 305-308 (2002)
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[文献書誌] O.Astafiev, S.Komiyama, T.Kutsuwa, V.Antonov, Y.: "Single photon detector in the microwave range"Applied Physics Letters. Vol.80, No.22. 4250-4252 (2002)
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[文献書誌] Y.Kawaguchi, K.Hirakawa, M.Saeki, K.Yamanaka, S.: "Performance of high-sensitivity quantum Hall far infrared photodetectors"Applied Physics Letters. Vol.80, No.1. 136-138 (2002)
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[文献書誌] Y.Kawaguchi, K.Hirakawa, S.Komiyama: "High-sensitivity quantum Hall far-infrared photodetector integrated with log-periodic antenna"Applied Physics Letters. Vo.80,No.18. 3418-3420 (2002)
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[文献書誌] K.Hirakawa, S.Katsumoto, T.Hayashi, Y.Hashimoto, Y.: "Double-exchnage-like interaction in Ga_<1-x>Mn_xAs investigated by infrared absorption spectroscopy"Physical Review B. Vol.65. 193312-193315 (2002)