Quantum Dot Laboratory, Quantum Innovation Cooperation Center, Institute for Nano Quantum Information Electronics, The University of Tokyo


  •  R. Katsumi, Y. Ota, A. Osada, T. Tajiri, T. Yamaguchi, M. Kakuda, S. Iwamoto, H. Akiyama, and Y. Arakawa

    In situ wavelength tuning of quantum-dot single-photon sources integrated on a CMOS-processed silicon waveguide editors-pick

    Appl. Phys. Lett. 116, 041103 (2020) 

  • XX. Sun, P. Wang, T. Wang, D. Li, ZY. Chen, L. Chen, K. Gao, M. Li, J. Zhang, WK. Ge, Y. Arakawa, B. Shen, M. Holmes, XQ. Wang, 

    Single photon source based on an InGaN quantum dot in a site-controlled optical horn structure

    APPLIED PHYSICS LETTERS 115 2 022101 DOI: 10.1063/1.5100323 Published: JUL 8 2019

  • Y. Arakawa, T. Nakamura, J. Kwoen, 

    Quantum dot lasers for silicon photonics

    FUTURE DIRECTIONS IN SILICON PHOTONICS Edited by:S. Lourdudoss, JE. Bowers, C. Jagadish, Book Series: Semiconductors and Semimetals 101 91-138 DOI: 10.1016/bs.semsem.2019.07.007 Published: 2019
    [ abstract ]

  • Zon,  S. Thainoi, S. Kiravittaya, A. Tandaechanurat, S. Kanjanachuchai, S. Ratanathammaphan, S. Panyakeow, Y. Ota, S. Iwamoto, Y. Arakawa, 

    Photoluminescence properties as a function of growth mechanism for GaSb/GaAs quantum dots grown on Ge substrates

    JOURNAL OF APPLIED PHYSICS 126 8 084301 DOI: 10.1063/1.5097261 Published: AUG 28 2019

  • WB. Lin, Y. Ota, S. Iwamoto, Y. Arakawa, 

    Spin-dependent directional emission from a quantum dot ensemble embedded in an asymmetric waveguide

    OPTICS LETTERS 44 15 3749-3752 DOI: 10.1364/OL.44.003749 Published: AUG 1 2019
    abstract ]

  • RC. Tao, Y. Arakawa,

    Impact of quantum dots on III-nitride lasers: a theoretical calculation of threshold current densities

    JAPANESE JOURNAL OF APPLIED PHYSICS 58 C SCCC31 DOI: 10.7567/1347-4065/ab1068 Published: JUN 1 2019 
    [ abstract ]

  • K. Gao, T. Aoki, M. Arita, Y. Arakawa, M. Holmes, 

    Observation of sharp emission lines from Zn-doped GaN

    JAPANESE JOURNAL OF APPLIED PHYSICS 58 C SCCB15 DOI: 10.7567/1347-4065/ab0cff Published: JUN 1 2019 
    [ abstract ]

  • Y. Ota, F. Liu, R. Katsumi, K. Watanabe, K. Wakabayashi, Y. Arakawa, S. Iwamoto, 

    Photonic crystal nanocavity based on a topological corner state

    OPTICA 6 6 786-789 DOI:?10.1364/OPTICA.6.000786 Published: JUN 20 2019
    [ abstract ]

  • T. Yamaguchi, Y. Ota, R. Katsumi, K. Watanabe, S. Ishida, A. Osada, Y. Arakawa, S. Iwamoto, 

    GaAs valley photonic crystal waveguide with light-emitting InAs quantum dots

    APPLIED PHYSICS EXPRESS 12 062005 DOI:10.7567/1882-0786/ab1cc5 Published:JUN 1 2019
    [ abstract

  • A. Tamada, Y. Ota, K. Kuruma, K. Watanabe, S. Iwamoto, Y. Arakawa, 

    Single Plasmon Generation in an InAs/GaAs Quantum Dot in a Transfer-Printed Plasmonic Microring Resonator

    ACS PHOTONICS 6 5 1106-1110 DOI:10.1021/acsphotonics.8b01749 Published:MAY 2019
    [ abstract

  • J. Kwoen, J. Lee, K. Watanabe, Y. Arakawa, 

    Elimination of anti-phase boundaries in a GaAs layer directly-grown on an on-axis Si(001) substrate by optimizing an AlGaAs nucleation layer

    JAPANESE JOURNAL OF APPLIED PHYSICS 58 SB S SBBE07 DOI: 10.7567/1347-4065/aaffc2 Published: APR 1 2019 
     [ abstract ] https://iopscience.iop.org/article/10.7567/1347-4065/aaffc2

  • K. Gao, H. Springbett, TT. Zhu, RA. Oliver, Y. Arakawa, MJ. Holmes, 

    Spectral diffusion time scales in InGaN/GaN quantum dots

    APPLIED PHYSICS LETTERS 114 112109 DOI: 10.1063/1.5088205 Published: MAR 18 2019
    [ abstract ]  https://aip.scitation.org/doi/abs/10.1063/1.5088205

  • R. Katsumi, Y. Ota, A. Osada, T. Yamaguchi, T. Tajiri, M. Kakuda, S. Iwamoto, H. Akiyama and Y. Arakawa

    Quantum-dot single-photon source on a CMOS silicon photonic chip integrated using transfer printing

    APL Photonics 4, 036105 (2019)
    [ abstract ]  https://aip.scitation.org/doi/abs/10.1063/1.5087263

  • T. Tajiri, S. Takahashi, Y. Ota, K. Watanabe, S. Iwamoto, Y. Arakawa, 

    Three-dimensional photonic crystal simultaneously integrating a nanocavity laser and waveguides

    OPTICA 6 3 296-299 DOI:?10.1364/OPTICA.6.000296 Published:MAR 20 2019
    [ abstract ] https://www.osapublishing.org/optica/abstract.cfm?uri=optica-6-3-296 

  • I. Kim, Y. Arakawa, S. Iwamoto,

    Design of GaAs-based valley phononic crystals with multiple complete phononic bandgaps at ultra-high frequency

    APPLIED PHYSICS EXPRESS 12 047001  DOI: 10.7567/1882-0786/ab0772 Published: APR 1 2019
    [ abstract ]

  • A. Osada, Y. Ota, R. Katsumi, M. Kakuda, S. Iwamoto, Y. Arakawa, 

    Strongly Coupled Single-Quantum-Dot-Cavity System Integrated on a CMOS-Processed Silicon Photonic Chip

    PHYSICAL REVIEW APPLIED 11 024071 DOI: 10.1103/PhysRevApplied.11.024071 Published: FEB 27 2019
    [ abstract

  • J. Kwoen, B. Jang, K. Watanabe, Y. Arakawa,

    High-temperature continuous-wave operation of directly grown InAs/GaAs quantum dot lasers on on-axis Si (001)

    OPTICS EXPRESS 27 3 2681-2688 DOI: 10.1364/OE.27.002681 Published: FEB 4 2019
    [ abstract


  • Y. Ota, R. Katsumi, K. Watanabe, S. Iwamoto, Y. Arakawa, 

    Topological photonic crystal nanocavity laser

    COMMUNICATIONS PHYSICS 1 86 DOI: 10.1038/s42005-018-0083-7 Published: NOV 22 2018
    [ abstract ]


  • S. Takahashi, S. Oono, S. Iwamoto, Y. Hatsugai, Y. Arakawa, 

    Circularly Polarized Topological Edge States Derived from Optical Weyl Points in Semiconductor-Based Chiral Woodpile Photonic Crystals

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 87 123401 DOI: 10.7566/JPSJ.87.123401 Published: DEC 15 2018 


  • H. Yoshikawa, J. Kwoen, T. Doe, M. Izumi, S. Iwamoto, Y. Arakawa,

    InAs/GaAs quantum dot infrared photodetectors on on-axis Si (100) substrates

    Electronics Letters 54, 1395 (2018).

  • H. Yoshikawa, K. Watanabe, T. Kotani, M. Izumi, S. Iwamoto and Y. Arakawa

    Observation of infrared absorption of InAs quantum dot structures in AlGaAs matrix toward high-efficiency solar cells

    Jpn. J. Appl. Phys. 57, 062001 (2018)

  • Y. Ota, K. Watanabe, M. Kakuda, S. Iwamoto, Y. Arakawa, 

    Advanced Photonic Crystal Nanocavity Quantum Dot Lasers

    IEICE TRANSACTIONS ON ELECTRONICS E101C 7 553-560 DOI: 10.1587/transele.E101.C.553 Published:JUL 2018

  • HP. Springbett, K. Gao, J. Jarman, T. Zhu, M. Holmes, Y. Arakawa, RA. Oliver, 

    Improvement of single photon emission from InGaN QDs embedded in porous micropillars

    APPLIED PHYSICS LETTERS 113 10 101107 DOI: 10.1063/1.5045843 Published:SEP 3 2018

  • QH. Vo, Y. Ota, K. Watanabe, T. Kageyama, S. Iwamoto, Y. Arakawa,

    Two dimensional photonic crystal nanocavities with InAs/GaAs quantum dot active regions embedded by MBE regrowth

    JAPANESE JOURNAL OF APPLIED PHYSICS 57 8S2 08PD03 DOI: 10.7567/JJAP.57.08PD03 Published:AUG 2018 

  • S. Ishida, S. Kako, K. Oda, S. Iwamoto, Y. Arakawa,

    Temperature dependence of the biaxial tensile strain in suspended Ge cross-shaped microstructures

    JAPANESE JOURNAL OF APPLIED PHYSICS 56 6 SI 06GF04  DOI: 10.7567/JJAP.56.06GF04 Published: JUN 2017

  • A. Tamada, Y. Ota, K. Kuruma, JF. Ho, K. Watanabe, S. Iwamoto, Y. Arakawa,

    Demonstration of lasing oscillation in a plasmonic microring resonator containing quantum dots fabricated by transfer printing

    JAPANESE JOURNAL OF APPLIED PHYSICS 56 10 102001 DOI: 10.7567/JJAP.56.102001 Published: OCT 2017

  • Y. Ota, D. Takamiya, R. Ohta, H. Takagi, N. Kumagai, S. Iwamoto, Y. Arakawa,

    Large vacuum Rabi splitting between a single quantum dot and an H0 photonic crystal nanocavity

    APPLIED PHYSICS LETTERS 112 9 093101 DOI: 10.1063/1.5016615 Published: FEB 26 2018

  • S. Takahashi, T. Tajiri, K. Watanabe, Y. Ota, S. Iwamoto, Y. Arakawa,

    High-Q nanocavities in semiconductor-based three-dimensional photonic crystals

    ELECTRONICS LETTERS 54 5 DOI: 10.1049/el.2017.4542 Published: MAR 8 2018

  • K. Gao, M. Holmes, M. Arita, Y. Arakawa,

    Measurement of the Emission Lifetime of a GaN Interface Fluctuation Quantum Dot by Power Dependent Single Photon Dynamics

    PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE 215 11700630  DOI: 10.1002/pssa.201700630 Published: MAY 9 2018

  • A. Osada, A. Gloppe, R. Hisatomi, A. Noguchi, R. Yamazaki, M. Nomura, Y. Nakamura, K. Usami,

    Brillouin Light Scattering by Magnetic Quasivortices in Cavity Optomagnonics

    PHYSICAL REVIEW LETTERS 120 13 133602 DOI: 10.1103/PhysRevLett.120.133602 Published: MAR 30 2018

  • J. Kwoen, BY. Jang, J. Lee, T. Kageyama, K. Watanabe, Y. Arakawa,

    All MBE grown InAs/GaAs quantum dot lasers on on-axis Si (001)

    OPTICS EXPRESS 26 9 11568-11576 DOI: 10.1364/OE.26.011568 Published: APR 30 2018

  • J. Tatebayashi, Y. Ota, S. Ishida, M. Nishioka, S. Iwamoto, Y. Arakawa,

    Nanowire-quantum-dot lasers on flexible membranes

    APPLIED PHYSICS EXPRESS 11 6 065002 DOI: 10.7567/APEX.11.065002 Published: JUN 2018

  • K. Kuruma, Y. Ota, M. Kakuda, S. Iwamoto, Y. Arakawa,

    Time-resolved vacuum Rabi oscillations in a quantum-dot-nanocavity system

    PHYSICAL REVIEW B 97 23 235448 DOI: 10.1103/PhysRevB.97.235448 Published:JUN 27 2018

  • J. A. Osada, Y. Ota, R. Katsumi, K. Watanabe, S. Iwamoto, Y. Arakawa,

    Transfer-printed quantum-dot nanolasers on a silicon photonic circuit

    APPLIED PHYSICS EXPRESS 11 7 072002 DOI: 10.7567/APEX.11.072002 Published:JUL 2018

  • CF. Fong, Y. Ota, S. Iwamoto, Y. Arakawa,

    Scheme for media conversion between electronic spin and photonic orbital angular momentum based on photonic nanocavity

    OPTICS EXPRESS 26 16 21219-21234 DOI: 10.1364/OE.26.021219 Published:AUG 6 2018

  • I. Kim, S.Iwamoto, Y.Arakawa, 

    Enhanced photoelastic modulation in silica phononic crystal cavities

    JAPANESE JOURNAL OF APPLIED PHYSICS 57 4 042002 DOI:10.7567/JJAP.57.042002 

  • I. Kim, S. Iwamoto, Y. Arakawa,

    Topologically protected elastic waves in one-dimensional phononic crystals of continuous media

    APPLIED PHYSICS EXPRESS 11 1 017201 DOI: 10.7567/APEX.11.017201 Published: JAN 2018 

  • K. Gao, I. Solovev, M. Holmes, M. Arita, Y. Arakawa,

    Nanosecond-scale spectral diffusion in the single photon emission of a GaN quantum dot

    AIP ADVANCES 7 12 125216 DOI: 10.1063/1.4997117 Published: DEC 2017 

  • F. Le Roux, K.Gao, M.Holmes, S.Kako, M.Arita, Y.Arakawa,

    Temperature dependence of the single photon emission from interface-fluctuation GaN quantum dots

    SCIENTIFIC REPORTS 7 16107 DOI:10.1038/s41598-017-16040-x Published:NOV 23 2017 

  • S. Takahashi, Y. Ota, T. Tajiri, J. Tatebayashi, S. Iwamoto, Y. Arakawa,

    Circularly polarized vacuum field in three-dimensional chiral photonic crystals probed by quantum dot emission

    PHYSICAL REVIEW B 96 19 195404 DOI: 10.1103/PhysRevB.96.195404 Published: NOV 3 2017 

  • Y. Ota, M. Kakuda, K. Watanabe, S. Iwamoto, Y. Arakawa,

    Thresholdless quantum dot nanolaser

    OPTICS EXPRESS 25 Iss.17 19981-19994 DOI: 10.1364/OE.25.019981 Published: AUG 21 2017

  • K. Kamide, Y. Ota, S. Iwamoto, and Y. Arakawa,

    Method for generating a photonic NOON state with quantum dots in coupled nanocavities

    Phys. Rev. A 96 013853, Published 27 July 2017 

  • J. Tatebayashi, S. Kako, J. Ho, Y. Ota, S. Iwamoto, Y. Arakawa,

    Growth of InGaAs/GaAs nanowire-quantum dots on AlGaAs/GaAs distributed Bragg reflectors for laser applications

    JOURNAL OF CRYSTAL GROWTH 468 144-148 DOI: 10.1016/j.jcrysgro.2016.12.022 Published: JUN 15 2017 

  • CF. Fong, Y. Ota, S. Iwamoto, Y. Arakawa,

    Manipulation of dynamic nuclear spin polarization in single quantum dots by photonic environment engineering

    PHYSICAL REVIEW B 95 24 245423 DOI: 10.1103/PhysRevB.95.245423 Published: JUN 21 2017

  • H. Takagi, Y. Ota, N. Kumagai, S. Ishida, S. Iwamoto, Y. Arakawa,

    Enhanced optical Stark shifts in a single quantum dot embedded in an H1 photonic crystal nanocavity

    APPLIED PHYSICS EXPRESS 10 6 062002 DOI: 10.7567/APEX.10.062002 Published: JUN 2017

  • Y. Ota, R. Moriya, N. Yabuki, M. Arai, M. Kakuda, S. Iwamoto, T. Machida, Y. Arakawa,

    Optical coupling between atomically thin black phosphorus and a two dimensional photonic crystal nanocavity

    APPLIED PHYSICS LETTERS 110 22 223105 DOI: 10.1063/1.4984597 Published: MAY 29 2017