Low-threshold optical gain and high-speed optical nonlinearity in low-dimensional semiconductor lasers

2012 Fiscal Year Final Research Report

• Project Area: Optical science of dynamically correlated electrons in semiconductors
• Project/Area Number: 20104004
• Research Category: Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
• Allocation Type: Single-year Grants
• Review Section: Science and Engineering
• Research Institution: The University of Tokyo
• Principal Investigator: AKIYAMA Hidefumi 東京大学, 物性研究所, 准教授 (40251491)
• Co-Investigator(Kenkyū-buntansha): YOKOYAMA Hiroyuki 東北大学, 未来科学技術共同研究センター, 教授 (60344727)
• Project Period (FY): 2008 – 2012
• Keywords: 光物性・高速非線形 / 高性能レーザー / 量子閉じ込め / MBE / 量子細線

Research Abstract

We fabricated high-quality quantum-wire lasers, measured their carrier-density-dependent nonlinear optical gain, where we also characterized carrier densities, temperatures, and deviations from the thermal-equilibrium distribution. We clarified suppression effects of gain divergence at the 1D band edge and their mechanism of oscillator redistribution and broadening due to carrier-carrier interactions. We generated ps short pulses by gain switching and spectral filtering in semiconductor lasers, and investigated ultra-fast optical nonlinearities in the gain-switched lasers.

Research Products

• [Journal Article] Double-core-slab-waveguide semiconductor lasers for end optical pumping (2013)
  • Author(s): T. Nakamura, T. Mochizuki, C. Kim, S. Chen, M. Yoshita, and H. Akiyama
  • Journal Title: Applied Physics Express Volume: 6 Pages: 062702
  • URL: http://dx.doi.org/10.7567/APEX.6.062702
  • Peer Reviewed
• [Journal Article] Intrinsic radiative lifetime derived via absorption cross section of one-dimensional excitons (2013)
  • Author(s): S. Chen, M. Yoshita, A. Ishikawa, T. Mochizuki, S. Maruyama, H. Akiyama, Y. Hayamizu, L. N. Pfeiffer, and K. W. West
  • Journal Title: Scientific Reports Volume: 3 Pages: 1941
  • URL: http://dx.doi.org/10.1038/srep01941
  • Peer Reviewed
• [Journal Article] Fluorescent Radiation Thermometry at Cryogenic Temperatures Based on Detailed Balance Relation (2013)
  • Author(s): T. Mochizuki, T. Ihara, M. Yoshita, S. Maruyama, H. Akiyama, L. N. Pfeiffer, and K. W. West
  • Journal Title: Applied Physics Express Volume: 6 Pages: 056602
  • URL: http://dx.doi.org/10.7567/APEX.6.056602
  • Peer Reviewed
• [Journal Article] Dynamics of short-pulse generation via spectral filtering from intensely excited gain-switched 1.55-μm distributed-feedback laser diodes (2013)
  • Author(s): S. Chen, M. Yoshita, A. Sato, T. Ito, H. Akiyama,and H. Yokoyama
  • Journal Title: Optics Express Volume: 21 Pages: 10597
  • DOI: DOI:10.1364/OE.21.010597
  • Peer Reviewed
• [Journal Article] Gain-switched pulses from InGaAs ridge-quantum-well lasers limited by intrinsic dynamical gain suppression (2013)
  • Author(s): S. Chen, M. Yoshita, T. Ito, T. Mochizuki, H. Akiyama, and H. Yokoyama
  • Journal Title: Optics Express Volume: 21 Pages: 7570-7576
  • DOI: DOI:10.1364/OE.21.007570
  • Peer Reviewed
• [Journal Article] 300 W peak power picosecond optical pulse generation by blue-violet GaInN mode-locked laser diode and semiconductor optical amplifier (2012)
  • Author(s): R. Koda, T. Oki, S. Kono, T. Miyajima, H. Watanabe, M. Kuramoto, M. Ikeda, and H. Yokoyama
  • Journal Title: Appl. Phys. Express Volume: 5 Pages: 022702
  • DOI: DOI:10.1143/APEX.5.022702
  • Peer Reviewed
• [Journal Article] Blue 6-ps short-pulse generation in gain-switched InGaN vertical-cavity-surface-emitting lasers via optical pumping (2012)
  • Author(s): S. Chen, M. Okano, B. Zhang, M. Yoshita, H. Akiyama, and Y. Kanemitsu
  • Journal Title: Appl. Phys. Lett Volume: 101 Pages: 191108
  • DOI: DOI:10.1063/1.4766290
  • Peer Reviewed
• [Journal Article] Biexciton Luminescence from Individual Isoelectronic Traps in NitrogenDelta-DopedGaAs (2012)
  • Author(s): K. Takamiya, T. Fukushima, S. Yagi, Y. Hijikata, T. Mochizuki, M. Yoshita, H. Akiyama, S. Kuboya, K. Onabe, R. Katayama, and H. Yaguchi
  • Journal Title: Appl. Phys. Express Volume: 5 Pages: 111201
  • DOI: DOI:10.1143/APEX.5.111201
  • Peer Reviewed
• [Journal Article] Electrical and Optical Properties of GaNAs/GaAs MQW p-i-n Junctions (2012)
  • Author(s): K. Arimoto, M. Shiraga, H. Shirai, S. Takeda, M. Ohmori, H. Akiyama, T. Mochizuki, K. Yamaguchi, H. Miyagawa, N. Tsurumachi, S. Nakanishi, and S. Koshiba
  • Journal Title: Transactions of the Materials Research Society of Japan Volume: 37 Pages: 193-196
  • Peer Reviewed
• [Journal Article] Sub-5-ps optical pulse generation from a 1.55-μm distributed-feedback laser diode with nanosecond electric pulse excitation and spectral filtering (2012)
  • Author(s): S. Chen, A. Sato, T. Ito, M. Yoshita, H. Akiyama, and H. Yokoyama
  • Journal Title: Optics Express Volume: 20 Pages: 24843
  • DOI: DOI:10.1364/OE.20.024843
  • Peer Reviewed
• [Journal Article] Fano-resonance gain by dephasing electron-hole Cooper pairs in semiconductors (2012)
  • Author(s): K. Kamide, M. Yoshita, H. Akiyama, M. Yamaguchi, T. Ogawa
  • Journal Title: J. Phys. Soc. Jpn Volume: 81 Pages: 093706
  • DOI: DOI:10.1143/JPSJ.81.093706)
  • Peer Reviewed
• [Journal Article] Observation of high Rydberg states of one-dimensional excitons in GaAs quantum wires by magneto-photoluminescence excitation spectroscopy (2012)
  • Author(s): M. Okano, Y. Kanemitsu, S. Chen, T. Mochizuki, M. Yoshita, H. Akiyama, L. N. Pfeiffer, and K. W. West
  • Journal Title: Phys. Rev. B Volume: 86 Pages: 085312
  • DOI: DOI:10.1103/PhysRevB.86.085312
  • Peer Reviewed
• [Journal Article] Applicability of continuum absorption in semiconductor quantum wells to absolute absorption-strength standards (2012)
  • Author(s): M. Yoshita, K. Kamide, H. Suzuura, and H. Akiyama
  • Journal Title: Appl. Phys. Lett Volume: 101 Pages: 032108
  • DOI: DOI:10.1063/1.4737900
  • Peer Reviewed
• [Journal Article] Metal-to-insulator transition in anatase TiO2 thin films induced by growth rate modulation (2012)
  • Author(s): T. Tachikawa,. M. Minohara, Y. Nakanishi, Y. Hikita, M. Yoshita, H. Akiyama, C. Bell, and H. Y. Hwang
  • Journal Title: Appl. Phys. Lett Volume: 101 Pages: 022104
  • DOI: DOI:10.1063/1.4733724
  • Peer Reviewed
• [Journal Article] Analysis of gain-switching characteristics including strong gain saturation effects in low-dimensional semiconductor lasers (2012)
  • Author(s): S. Chen, M. Yoshita, T. Ito, T. Mochizuki, H. Akiyama, H. Yokoyama, K. Kamide, and T. Ogawa
  • Journal Title: Jpn. J. Appl. Phys Volume: 51 Pages: 098001
  • URL: http://jjap.jsap.jp/link?JJAP/51/098001/
  • Peer Reviewed
• [Journal Article] Waveguide two-point differential-excitation method for quantitative absorption measurements of nanostructures (2012)
  • Author(s): T. Mochizuki, M. Yoshita, S. Maruyama, C. Kim, K. Fukuda, H. Akiyama, L. N. Pfeiffer, K. W. West
  • Journal Title: Jpn. J. Appl. Phys Volume: 51 Pages: 106601
  • URL: http://jjap.jsap.jp/link?JJAP/51/106601/
  • Peer Reviewed
• [Journal Article] Quantitative absorption spectra of quantum wires measured by analysis of attenuated internal emissions (2012)
  • Author(s): M. Yoshita, T. Okada, H. Akiyama, M. Okano, T. Ihara, L. N. Pfeiffer, and K. W. West
  • Journal Title: Appl. Phys. Lett Volume: 100 Pages: 112101
  • DOI: DOI:10.1063/1.3693401
  • Peer Reviewed
• [Journal Article] Direct generation of 20 W peak power picosecond optical pulses from an external-cavity mode-locked GaInN laser diode incorporating a flared waveguide (2011)
  • Author(s): T. Oki, R. Koda, S. Kono, T. Miyajima, H. Watanabe, M. Kuramoto, and H. Yokoyama
  • Journal Title: Appl. Phys. Lett Volume: 99 Pages: 111105
  • DOI: DOI:10.1063/1.3640499
  • Peer Reviewed
• [Journal Article] Lateral resolution enhancement of laser scanning microscopy by a higher-order radially polarized mode beam (2011)
  • Author(s): Y. Kozawa, T. Hibi, A. Sato, H. Horanai, M. Kurihara, N. Hashimoto, H. Yokoyama, T. Nemoto, and S. Sato
  • Journal Title: Opt. Express Volume: 19 Pages: 15947-15954
  • Peer Reviewed
• [Journal Article] Saturable absorbing dynamics of GaInN multiquantum well structures (2011)
  • Author(s): T. Miyajima, S. Kono, H. Watanabe, T. Oki, R. Koda, M. Kuramoto, M. Ikeda, and H. Yokoyama
  • Journal Title: Appl. Phys. Lett Volume: 98 Pages: 171904
  • DOI: DOI:10.1063/1.3583456
  • Peer Reviewed
• [Journal Article] T型GaAs量子細線の光学応答と動的相関効果 (2011)
  • Author(s): 秋山英文, 吉田正裕
  • Journal Title: 固体物理 Volume: 46 Pages: 747-756
  • Peer Reviewed
• [Journal Article] Robust carrier-induced suppression of peak gain inherent to quantum-wire lasers (2011)
  • Author(s): M. Okano, P. Huai, M. Yoshita, S. Inada, H. Akiyama, K. Kamide, K. Asano, and T. Ogawa
  • Journal Title: J. Phys. Soc. Jpn Volume: 80 Pages: 114716
  • DOI: DOI:10.1143/JPSJ.80.114716
  • Peer Reviewed
• [Journal Article] Investigation of the confinement potential within GaNAs/GaAs multiple quantum wells (2011)
  • Author(s): K. Goshima, A. Kittaka, K. Fujii, M. Shiraga, N. Tsurumachi, S. Nakanishi, H. Akiyama, S. Koshiba and H. Itoh
  • Journal Title: Physica Status Solidi C Volume: 8 Pages: 414-416
  • Peer Reviewed
• [Journal Article] LaVO4:Eu Phosphor films with enhanced Eu solubility (2011)
  • Author(s): T. Higuchi, Y. Hotta, Y. Hikita, S. Maruyama, Y. Hayamizu, H. Akiyama, H. Wadati, D. G. Hawthorn, T. Z. Regier, R. I. R. Blyth, G. A. Sawatzky, and H. Y. Hwang
  • Journal Title: Appl. Phys. Lett Volume: 98 Pages: 071902
  • DOI: DOI:10.1063/1.3554749
  • Peer Reviewed
• [Journal Article] Effects of Mg doping on Optical and Electrical Properties of GaNAs Multiple Quantum Wells (2011)
  • Author(s): M. Shiraga, Y. Nakai, T. Hirashima, A. Kittaka, M. Ebisu, N. Takahashi, T. Noda, M. Ohmori, H. Akiyama, N. Tsurumachi, S. Nakanishi, H. Miyagawa, H. Itoh, and S. Koshiba
  • Journal Title: Phys. Status Solidi C Volume: 8 Pages: 420-422
  • DOI: DOI 10.1002/pssc.201000595
  • Peer Reviewed
• [Journal Article] Coulomb-modulated gain spectra in current-injection T-shaped quantum-wire lasers (2011)
  • Author(s): M. Okano, M. Yoshita, H. Akiyama, P. Huai, T. Ogawa, L. N. Pfeiffer, and K. W. West
  • Journal Title: Phys. Status Solidi C Volume: 8 Pages: 20-23
  • Peer Reviewed
• [Journal Article] Intensity autocorrelation measurement of 400 nm picosecond optical pulses from a GaInN mode-locked semiconductor laser diode using surface second harmonic generation of β-BaB_2O_4 crystal (2010)
  • Author(s): S. Kono, T. Oki, M. Kuramoto, M. Ikeda, and H. Yokoyama
  • Journal Title: Appl. Phys. Express Volume: 3 Pages: 122701
  • DOI: DOI:0.1143/APEX.3.122701
  • Peer Reviewed
• [Journal Article] Blue-violet bow-tie self-pulsating laser diode with a peak power of 20 W and a pulse energy of 310 pJ (2010)
  • Author(s): H. Watanabe, M. Kuramoto, S. Kono, M. Ikeda, and H. Yokoyama
  • Journal Title: Appl. Phys. Express Volume: 3 Pages: 122103
  • DOI: DOI:10.1143/APEX.3.122103
  • Peer Reviewed
• [Journal Article] Volumetric optical recording using a 400 nm all-semiconductor picosecond laser (2010)
  • Author(s): S. Tashiro, Y. Takemoto, H. Yamatsu, T. Miura, G. Fujita, T. Iwamuma, D. Ueda, H. Uchiyama, K. Yun, M. Kuramoto, T. Miyajima, M. Ikeda, and H. Yokoyama
  • Journal Title: Appl. Phys. Express Volume: 3 Pages: 102501
  • DOI: DOI:10.1143/APEX.3.102501
  • Peer Reviewed
• [Journal Article] 100 W peak-power 1 GHz repetition picoseconds optical pulse generation using blue-violet GaInN diode laser mode-locked oscillator and optical amplifier (2010)
  • Author(s): R. Koda, T. Oki, T. Miyajima, H. Watanabe, M. Kuramoto, M. Ikeda, and H. Yokoyama
  • Journal Title: Appl. Phys. Lett Volume: 97 Pages: 021101
  • DOI: DOI:10.1063/1.3462942
  • Peer Reviewed
• [Journal Article] 10-W peak-power picosecond optical pulse generation from a triple section blue-violet self-pulsating laser diode (2010)
  • Author(s): H. Watanabe, T. Miyajima, M. Kuramoto, M. Ikeda, and H. Yokoyama
  • Journal Title: Appl. Phys. Express Volume: 3 Pages: 052701
  • DOI: DOI:10.1143/APEX.3.052701
  • Peer Reviewed
• [Journal Article] Passive and hybrid mode-locking of an external-cavity GaInN laser diode incorporating a strong saturable absorber (2010)
  • Author(s): T. Oki, K. Saito, H. Watanabe, T. Miyajima, M. Kuramoto, M. Ikeda, and H. Yokoyama
  • Journal Title: Appl. Phys. Express Volume: 3 Pages: 032104
  • DOI: DOI:10.1143/APEX.3.032104
  • Peer Reviewed
• [Journal Article] Enormously high-peak-power optical pulse generation from a single-transverse-mode GaInN blue-violet laser diode (2010)
  • Author(s): M. Kuramoto, T. Oki, T. Sugahara, S. Kono, M. Ikeda, and H. Yokoyama
  • Journal Title: Appl. Phys. Lett Volume: 96 Pages: 051102
  • DOI: DOI:10.1063/1.3299261
  • Peer Reviewed
• [Journal Article] A high-peak-power UV picosecond-pulse light source based on a gain-switched 1.55 μm laser diode and its application to time-resolved spectroscopy of blue-violet materials (2010)
  • Author(s): Sato, S. Kono, K. Saito, K. Sato, and H. Yokoyama
  • Journal Title: Opt. Express Volume: 18 Pages: 2522-2527
  • Peer Reviewed
• [Journal Article] Mode locking of an external-cavity bisection GaInN blue-violet laser diode producing 3 ps duration optical pulses (2010)
  • Author(s): K. Saito, H. Watanabe, T. Miyajima, M. Ikeda, and H. Yokoyama
  • Journal Title: Appl. Phys. Lett Volume: 96 Pages: 031112
  • DOI: DOI:10.1063/1.3292025
  • Peer Reviewed
• [Journal Article] isoelectronic traps in nitrogen delta-doped GaAs grown on GaAs (111)A (2010)
  • Author(s): T. Fukushima, Y. Hijikata, H. Yaguchi, S. Yoshida, M. Okano, M. Yoshita, H. Akiyama, S. Kuboya, R. Katayama, and K. Onabe
  • Journal Title: Physica E Volume: 42 Pages: 2529-2531
  • Peer Reviewed
• [Journal Article] Picosecond optical pulse generation from self-pulsating bisectional GaN-based blue-violet laser diodes (2009)
  • Author(s): T. Miyajima, H. Watanabe, M. Ikeda, and H. Yokoyama
  • Journal Title: Appl. Phys. Lett Volume: 94 Pages: 161103
  • DOI: DOI:10.1063/1.3106055
  • Peer Reviewed
• [Journal Article] Generation of over 10-W peak-power picosecond pulses by a gain-switched AlGaInN-based self-pulsating laser diode (2009)
  • Author(s): T. Oki, S. Kono, M. Kuramoto, M. Ikeda, and H. Yokoyama
  • Journal Title: Appl. Phys. Express Volume: 2 Pages: 032101
  • DOI: DOI:10.1143/APEX.2.032101
  • Peer Reviewed
• [Journal Article] Mode locking of a GaInN semiconductor laser with an internal saturable absorber (2009)
  • Author(s): M. Yoshita, M. Kuramoto, M. Ikeda, and H. Yokoyama
  • Journal Title: Appl. Phys. Lett Volume: 94 Pages: 061104
  • DOI: DOI:10.1063/1.3079403
  • Peer Reviewed
• [Journal Article] Thermal-equilibrium relation between the optical emission and absorption spectra of a doped semiconductor quantum well (2009)
  • Author(s): T. Ihara, S. Maruyama, M. Yoshita, H. Akiyama, L. N. Pfeiffer, K. W. West
  • Journal Title: Phys. Rev. B Volume: 80 Pages: 033307
  • Peer Reviewed
• [Journal Article] Electroluminescence of GaNAs/GaAs MQWs p-i-n Junctions Grown by RF-MBE using Modulated Nitrogen Radical Beam Source
  • Author(s): N. Ohta, K. Arimoto, M. Shiraga, K. Ishii, M. Inada, S. Yanai, Y. Nakai, H. Akiyama, T. Mochizuki, T. Takahashi, N. Takahashi, H. Miyagawa, N. Tsurumachi, S. Nakanishi, and S.Koshiba
  • Journal Title: J. Cryst. Growth Volume: (in press)
  • DOI: DOI:10.1016/j.jcrysgro.2013.01.034
  • Peer Reviewed
• [Presentation] Nonlinear Interactions of GaAs/AlGaAs Multi-Quantum Wells with Intense THz Pulses (2013)
  • Author(s): H. Hirori, K. Shinokita, K. Uchida, K. Tanaka, T. Mochizuki, H. Akiyama, K. W. West, L. N. Pfeiffer
  • Organizer: International Workshop on Optical Terahertz Science and Technology (OTST) 2013
  • Place of Presentation: Kyoto Terrsa Japan
  • Year and Date: 20130401-05