2025



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  • Networking semiconductor spin qubits in multi-scale
    Takafumi Fujita: JIWON:
    Joint Inter-Laboratory Workshop on Nano-magnetics., March 3-6, Tohoku University ()
  • Simulation and fabrication of middle-range shuttling devices in silicon
    S. Fujita, G. Nakagawa, N. Kida, K. Senda, T. Tsuzuki, H. Yuta,C. Rajkumar, K. Taga, T. Fujita, A. Oiwa
    The 29th SANKEN International Symposium, January 7-9, Nakanoshima cener ()
  • Spin-Superconducting resonator hybrid quantum transducer device
    Leul G.D, Ido Levy, Shigehito Miki, Javad Shabani, Akira Oiwa
    The 29th SANKEN International Symposium, January 7-9 ()
  • Creation of photon polarization-spin entanglement
    Hanwen Chung,Soto Uemura, Kotaro Taga, Rio Fukai, Arne Ludwig, Andreas D. Wieck, Takafumi Fujita and Akira Oiwa
    The 29th SANKEN International Symposium, January 7-9, Nakanoshima senter ()
  • Optical mapping of a Ge QD device in a dilution refrigerator equipped with optical fibers and piezo stages
    Hikaru Sugiyama, Rio Fukai, Kotarou Taga, Hideaki Yuta, Guy Austing, Akira Oiwa
    The 29th SANKEN International Symposium, January 7-9, Nakanoshima center ()
  • Research on Undoped Lateral Quantum Dot Devices for Photon Emission
    Ayato Miura, Taiki Kurose, Kazuma Haruna, Genki Fukuda, Takafumi Fujita, Arne Ludwing, Andreas D. Wieck, Akira Oiwa
    The 29th SANKEN International Symposium, Janurary 7-9, Nakanoshima center ()
  • Observation of higher-order resonances in resonantly driven singlet-triplet qubit
    Hideaki Yuta, Tatsuo Tsuzuki, Arne Ludwig, Andreas D. Wieck, Takafumi Fujita, Akira Oiwa
    The 29th SANKEN International Symposium, January 7-9, Nakanoshima center ()
  • Optimizing High Velocity Shuttling in Si/SiGe Simulation Including Random Alloy Disorder
    Kenichiro Senda, Hideaki Yuta, Kotaro Taga, Akira Oiwa, Takafumi Fujita
    The 29th SANKEN International Symposium, January 7-9, Nakanoshima center ()
  • CNN-based automatic method for virtual-gate control of quantum dot arrays
    Tatsuo Tsuzuki, Hideaki Yuta, Kenichiro Senda, Gen Nagawa, Naohiro Kida, Shogo Fujita, Arne Ludwig, Andreas D. Wieck, Rajkumar Chinnasamy, Rio Fukai, Kotaro Taga, Akira Oiwa and Takafumi Fujita
    The 29th SANKEN International Symposium., January 7-9, Nakanoshima center ()
  • Demonstration of charge sensing in an InAs gate-defined quadruple quantum dot
    Nozomu Hayahsi, Haruki Kiyama, Jason T. Dong, Mihir Pendharkar, Takafumi Fujita, Rio Fukai, Chris J. Palmstrøm and Akira Oiw
    WINDS2025, December 7-12, Waikoloa, Hawaii. ()
  • Photon-spin quantum interface using semiconductor spin qubits
    Akira Oiwa
    MSSp2025, Nobember 4-7, Tohoku Unversity ()
  • Spin-Superconducting Resonator Hybrid Quantum Transducer Device
    Leul G.D, Ido Levy, Shigehito Miki, Javad Shabani, Akira Oiwa
    HQSN2025., October 27-29 ()
  • Spin readout using Pauli spin blockade in an InAs gate-defined quadruple quantum dot
    Yuki Yokoyama, Nozomu Hayashi, Jason T. Dong, Mihir Pendharkar, Takafumi Fujita, Rio Fukai, Chris J. Palmstrøm, Akira Oiwa, Haruki Kiyama
    HQSN2025, October 27-29, Kunibiki Messe ()
  • Spin readout using Pauli spin blockade in an In As gate-defined quadruple quantum dot
    Yuki Yokoyama, Nozomu Hayashi, Jason T. Dong, Mihir Pendharkar, Takafumi Fujita, Rio Fukai, Chris J. Palmstrøm, Akira Oiwa, Haruki Kiyama
    QIE2025, October 8th-10th, OIST Seaside House ()
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  • Fabrication of Gate-defined Quantum Dots × In-Plane p-i-n Junction Devices for Single-Photon Generation
    Taiki Kurose, Kazuma Haruna, Genki Fukuda, Takafumi Fujita, Ayato Miura, Andreas Wieck, Arne Ludwig, Akira Oiwa
    QIE2025, October 8th-10th, OIST Seaside House ()
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  • Fabrication of gate-defined Quantum dot in a Bullʼs Eye optical cavity towards efficient Photon-Spin conversion
    Hosumi Sato, Sangmin Ji, Yuta Konishi, Rio Fukai, Masayoshi Mori, Takafumi Fujita, Satoshi Iwamoto, Haruki Kiyama, Arne Ludwig, Andress D. Wieck, Akira Oiwa
    QIE2025, October 8th-10th, OIST Seaside House ()
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  • Development of a fiber-based optical system for quantum state transfer from single photon polarization to single hole spin
    Rio Fukai, Hikaru Sugiyama, Kotaro Taga, Takafumi Fujita, Guy Austing and Akira Oiwa
    SiQEW ICOSS., October 6-9, Los Angeles, California, USA ()
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  • Optimizing Spin qubit High Velocity Shuttling in Si/SiGe Simulation Including Random Alloy Disorder
    Kenichiro Senda, Hideaki Yuta, Tatsuo Tsuzuki, Kotaro Taga, Rio Fukai, Akira Oiwa and Takafumi Fujita
    SiQEW ICOSS., October 6-9, Los Angeles, California, USA ()
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  • Resonant ST oscillation in low magnetic field and noisy nuclear environment
    HideakiYuta, TatsuoTsuzuki, TakafumiFujita, AkiraOiwa, Arne Ludwig and Andreas Dirk Wieck:
    SiQEW ICOSS, October 6-9, Los Angeles, California, USA ()
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  • CNN-assisted automatic cross-capacitance matrix update for virtual-gate control of quantum dot arrays
    Tatsuo Tsuzuki, Hideaki Yuta, Yui Muto, Arne Ludwig, Andreas Dirk Wieck, Akira Oiwa, Takafumi Fujita
    SSDM2025, September 15-18, PacificoYokohama ()
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  • Fabrication of gate-defined Quantum dot in a Bull’s Eye optical cavity towards efficient Photon-Spin conversion
    Hosumi Sato, Yuta Konishi, Akira Oiwa, Rio Fukai, Masayoshi Mori, Takafumi Fujita,Sangmin Ji, Satoshi Iwamoto, Haruki Kiyama, Arne Ludwig, Andress D. Wieck
    Quantum Innovation 2025, July 29 -August 2, Congress Square Garden Green Osaka ()
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  • Charge sensing in an InAs gate-defined quadruple quantum dot
    Nozomu Hayahsi, Haruki Kiyama, Jason T. Dong, Mihir Pendharkar, Takafumi Fujita, Rio Fukai, Chris J. Palmstrøm and Akira Oiwa
    Quantum Innovation 2025 , July 29 - August 2, Congress Square Garden Green Osaka ()
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  • Optimizing Spin Qubit Shuttling in Si/SiGe Simulation including Random Alloy Disorder
    Kenichiro Senda, Hideaki Yuta, Kotaro Taga, Takafumi Fujita and Akira Oiwa
    Quantum Innovation 2025, July 29 -August 2, Congress Square Garden Green Osaka ()
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2024

2023

  • Influence of illumination on two-dimensional electron gas and gate-defined quantum point contacts in a short-period-super-lattice-doped QW
    Akira Oiwa, T. Kanda, G. Fukuda, T. Fujita, A. Ludwig, and A. D. Wieck
    MRM2023, 13 December, 2023, Kyoto International Conference Center (oral)
  • Shortcut to adiabaticity for adiabatic passage of a single electron spin
    Akira Oiwa, X.-F. Liu, T. Fujita, Y. Matsumoto A. Ludwig, and A. Wieck
    WINDS2023, 6 December, 2023, Hawaii, USA (oral)
  • Linking spin qubits in quantum-dot arrays
    T. Fujita
    36th International Microprocesses and Nanotechnology Conference, 15 November, 2023, KEIO PLAZA HOTEL SAPPORO (invited)
  • Networking spin qubits in multi-scale
    T. Fujita
    12th Imec-Handai International Symposium, 8 November, 2023, University of Osaka SANKEN (oral)
  • Speed up of adiabatic quantum state transition in single spin inversion
    T. Fujita
    1st International Workshop on Quantum Information Engineering (QIE2023), 11-13th October, 2023, OIST (oral)
  • Semiconductor spin qubits for quantum networking
    Akira Oiwa
    Asia Pacific Physics Week 2023 (APPW2023) Online, 7 November, 2023 (plenary)
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2022

  • Enhanced Transmission by Surface Plasmon Antenna for Single Photoelectron Trapping in A Lateral GaAs Quantum Dot
    R. Fukai, Y. Sakai, T. Fujita, H. Kiyama, A. Ludwig, A. D. Wieck, and A. Oiwa
    WORKSHOP ON INNOVATIVE NANOSCALE DEVICES AND SYSTEMS (WINDS2022), 8 December, 2022, Hawaii (oral)
  • Fast single-spin qubit operation and its coherence time enhanced by feedback control
    Y. Matsumoto, T. Fujita, A. Ludwig, A.D. Wieck, K.Koike, T.Miyoshi, and A. Oiwa
    ISpin qubit 5, 5-9th September, 2022 (oral)
  • Fast single-spin qubit operation and its coherence time enhanced by feedback control
    Y. Matsumoto, T. Fujita, A. Ludwig, A.D. Wieck, K.Koike, T.Miyoshi, and A. Oiwa
    International Conference on the Physics of Semiconductors, 30th June, 2022 (oral)
  • Photon-spin quantum interface based on gate-defined semiconductor quantum dots
    A. Oiwa
    The 15th Asia Pacific Physics Conference (APPC15), 24th August, 2022, Online (invited)

2021

  • Photon-spin quantum interface using gate-defined quantum dots combined with nano-photonic structures
    A. Oiwa
    2021 International Conference on Solid State Devices and Materials (SSDM2021), 7th September 2021, Online (invited)

2020

  • Accelerated electric-dipole spin resonance in a quantum dot array
    T. Fujita
    CEMS Topical Meeting Online, Recent Advances in Semiconductor Qubits, 9th March 2021, Online (invited)
  • Photon-spin quantum interface using gate-defined quantum dots for quantum internet
    A. Oiwa
    The 21st RIES-Hokudai International Symposium, 10th December, 2020, Online (invited)
  • Characterization of a surface plasmon antenna fabricated on a gate-defined lateral quantum dot
    R. Fukai, Y. Sakai, T. Nakagawa, T. Fujita, H. Kiyama, A. Ludwig, A. D. Wieck, A. Oiwa
    2020 International Conference on Solid State Devices and Materials (SSDM2020), 29th September, 2020, Online (oral)
  • Design of Semiconductor Bull's-eye Optical Cavity for High-efficiency Quantum Media Conversion using a Gate-defined Quantum Dot
    S. Ji, T. Tajiri, H. Kiyama, A. Oiwa, and S. Iwamoto
    2020 International Conference on Solid State Devices and Materials (SSDM2020), 30th September, 2020, Online (oral)
  • Spin-orbit induced spin manipulation by spin shuttling in multiple dots
    Y. Matsumoto, T. Fujita, A. Ludwig, A. D. Wieck, A. Oiwa
    11th International Conference on Quantum Dots (QD2020), 11th December, 2020, Online (oral)

2019

  • Conversion of angular momentum, quantum state and entanglement from photons to electron spin using gate-defined quantum dots
    A. Oiwa, S. Matsuo, K. Kuroyama, C. Y. Chung, R. Fukai, T. Nakagawa, T. Fujita, H. Kiyama, T. Tajiri, S. Iwamoto, A. Ludwig, A. D. Wieck, and S. Tarucha
    New Perspective in Spin Conversion Science (NPSCS2020), 4th February, 2020, Chiba, Japan (invited)
  • Spin-orbit interaction induced electron spin resonance enhanced by charge tunneling between quantum dots
    T. Fujita, Y. Matsumoto A. Ludwig, A.D. Wieck and A. Oiwa
    New Perspective in Spin Conversion Science (NPSCS2020), 4th February, 2020, Chiba, Japan (oral)
  • Measurement of multielectron high-spin states and its spin relaxation in a GaAs quantum dot
    H. Kiyama, K. Yoshimi, T. Kato, T. Nakajima, A. Oiwa, and S. Tarucha
    New Perspective in Spin Conversion Science (NPSCS2020), 4th February, 2020, Chiba, Japan (oral)
  • Photon-spin quantum interface using gate-defined quantum dots
    A. Oiwa
    International Symposium on Frontier Issues in Quantum Physics and Quantum Information Sciences (QPQIS2019), 26th November, 2019, Beijing, China (invited)
  • Charge Mobility Characterization of Light Irradiated Ge/SiGe Heterostructures
    G. G. Maia, K. Sawano, A. Oiwa
    International School and Symposium on Nanoscale Transport and phoTonics 2019 (ISNTT2019), 18th November, 2019, Kanagawa, Japan (oral)
  • Fabrication and Optical Characterization of Photonic Crystal Nanocavities with Electrodes for Gate-Defined Quantum Dots
    T. Tajiri, K. Kuruma, Y. Sakai, H. Kiyama, A. Oiwa, J. Ritzmann, A. Ludwig, A.D. Wieck, Y. Ota, Y. Arakawa, S. Iwamoto
    52th International Conference on Solid State Devices and Materials (SSDM2019), 3rd September, 2019, Nagoya, Japan (oral)
  • Fabrication and Irradiation Effects of Field-Induced Two-Dimensional Electron Gas in Dopant-Etched Modulation Doped GaAs/AlGaAs Heterostructures
    G. Fukuda, T. Fujita, Y. Kanai, K. Matsumoto, J. Ritzmann, A. Ludwig, A.D. Wieck, A. Oiwa
    52th International Conference on Solid State Devices and Materials (SSDM2019), 3rd September, 2019, Nagoya, Japan (oral)
  • Photon-spin quantum interface using gate-defined quantum dots
    A. Oiwa
    Canada-Japan Workshop on Hybrid Quantum Systems (HQS), Ottawa, Canada (invited)
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  • Fabrication and Irradiation Effects of Two Dimensional Electron Gas on Etched Undoped GaAs/AlGaAs Heterostructures Utilizing Modulation Doped Ohmic Contacts
    G. Fukuda, T. Fujita, Y. Kanai, K. Matsumoto, J. Ritzmann, A. Ludwig, A. D. Wieck, and A. Oiwa
    The 21st International Conference on Electron Dynamics in Semiconductors, Optoelectronics and Nanostructures (EDISON21), 14th July, 2019, Nara, Japan (oral)
  • Quantum interface from photons to electron spins in gate-defined GaAs quantum dots
    A. Oiwa
    Spin Canada 2019, 24th June, 2019, Montebello Quebec, Canada (invited)
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  • Transferring quantum states from single photons to single electron spins in gate-defined quantum dots
    A. Oiwa
    Frontiers in Quantum Information Physics and technologies (FQIPT), 10th June, 2019, Tokyo, Japan (invited)
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2018

  • Effect of magnetic barrier layer thickness on magnetic properties in magnetic/nonmagnetic GdN/GaN superlattices grown by PA-MBE
    T. Kojima, S. Hasegawa
    International workshop of nitride semiconductors 2018 (IWN2018), November 15, 2018, Kanazawa, Japan (poster)
  • Magneto-optical characterization of GaN/TbN superlattice structures grown by PA-MBE
    S. Fujimori and S. Hasegawa
    International workshop of nitride semiconductors 2018 (IWN2018), November 15, 2018, Kanazawa, Japan (poster)
  • Fabrications and transport properties of SiGe self-assembled quantum dots
    M. Tanaka, K. Kawaguchi, H. Kiyama, M. Bamesreiter, D. Bougeard, A. Oiwa
    2018 International Conference on Solid State Devices and Materials (SSDM2018), September 9-13, 2018, Tokyo, Japan (oral)
  • Transport through quantum dots formed in a (110) GaAs quantum well
    T. Nakagawa, R. Fukai, Y. Sakai, Y. Sakai, T. Fujita, H. Kiyama, T. Nakajima, J. Ritzmann, A. Ludwig, A. D. Wieck
    Spin qubit 4, September, 2018 (poster)
  • Magnetic Doppler Broadening Measurement on Gadolinium-doped GaN
    M. Maekawa, S. Sakai, S. Hagiwara, A. Miyashita, K. Wada, A. Kawasuso, A. Yabuuchi, S. Hasegawa
    The 18th International Conference on Positron Annihilation (ICPA-18), August, 2018 (poster)
  • Single-electron charge sensing in self-assembled quantum dots
    Haruki Kiyama, Alexander Korsch, Naomi Nagai, Yasushi Kanai, Kazuhiko Matsumoto, Kazuhiko Hirakawa, Akira Oiwa
    34th International Conference on the Physics of Semiconductors, July, 2018 (poster)
  • Photon-spin conversion using gate-defined GaAs quantum dots
    Akira Oiwa
    QD2018, June, 2018 (invited)

2017

  • Photon-electron spin conversion in gate-defined GaAs quantum dots and developing Poincare interface
    Akira Oiwa
    JST-TU Delft Quantum Technology workshop, October 17, 2017, Delft, Netherland (oral)
  • Single-shot ternary readout of electron spin states in a quantum dot coupled to quantum Hall edge states
    Haruki Kiyama
    JST-TU Delft Quantum Technology workshop, October 17, 2017, Delft, Netherland (oral)
  • Photon-spin Poincaré interface using electron spins in quantum dots
    Akira Oiwa
    Workshop Advanced Material Sciences 2017, September 21, 2017, Dresden, Germany (oral)
  • Kondo effect in a self-assembled SiGe quantum dot
    R. Shikishima, H. Kiyama, K. Kawaguchi, M. Bamesreiter, D. Bougeard, and A. Oiwa
    2017 Silicon Quantum Electronics Workshop, August 18, 2017, Oregon, USA (poster)
  • Kondo effect in a self-assembled SiGe quantum dot
    R. Shikishima, H. Kiyama, K. Kawaguchi, M. Bamesreiter, D. Bougeard, and A. Oiwa
    18th International Conference on Modulated Semiconductor Structures (MSS-18), August 1, 2017, Penn State University, USA (poster)
  • Kondo effect and superconducting transport in SiGe self-assembled quantum dot transistors
    R. Shikishima, T. Kawaguchi, H. Kiyama, M. Bamesreiter, D. Bougeard, and A. Oiwa
    The second international conference on Quantum Information, Quantum Topological Orders and Emergent Spacetime on Quantum Simulators, July 5, 2017, Zhangjiajie China (invited)
  • Photon-spin Poincaré interface using electron spins in quantum dots
    Akira Oiwa
    JSPS Core-to-Core SANKEN Program, Purdue Seminar, June 22, 2017, Purdue University, USA (invited)
  • Kondo effect and superconducting transport in SiGe self-assembled quantum dots
    R. Shikishima, T. Kawaguchi, H. Kiyama, M. Bamesreiter, D. Bougeard, and A. Oiwa
    Spintech 9, June 7, 2017, Fukuoka, Japan (poster)
  • Design of Surface Plasmon Antennas on Gate-defined Lateral Quantum Dots
    R. Fukai, T. Nakagawa, H. Kiyama, and A. Oiwa
    Spintech 9, June 7, 2017, Fukuoka, Japan (poster)
  • Transport and optical properties of (110) GaAs quantum wells for photon-spin quantum state conversion using heavy hole states
    T. Nakagawa, Y. Sakai, R. Fukai, H. Kiyama, J. Ritzmann, A. Ludwig, A. D. Wieck, and A. Oiwa
    Spintech 9, June 7, 2017, Fukuoka, Japan (poster)
  • Magnetotransport in narrow gap semiconductor InSb Quantum Wells
    M. Tada, H. Kiyama, K. Akahane and A. Oiwa
    Spintech 9, June 7, 2017, Fukuoka, Japan (poster)

2016

  • Design of bull's eye structures on gate-defined lateral quantum dots
    R. Fukai, T. Nakagawa, H. Kiyama and A. Oiwa
    2016 International Conference on Solid State Devices and Materials (SSDM2016), September 26-29, 2016, Tsukuba, Japan (oral)
  • Design of bull's eye structures on gate-defined lateral quantum dots
    R. Fukai, T. Nakagawa, H. Kiyama and A. Oiwa
    9th International Conference on Physics and Applications of Spin-Related Phenomena in Solids (PASPS9), August 8-11, 2016, Kobe, Japan (poster)
  • Single-electron charge sensing in InAs self-assembled quantum dots
    H. Kiyama, T. Hirayama, R. Shikishima, S. Matsuo, S. Baba, N. Nagai, K. Hirakawa, S. Tarucha, and A. Oiwa
    9th International Conference on Physics and Applications of Spin-Related Phenomena in Solids (PASPS9), August 8-11, 2016, Kobe, Japan (poster)
  • Magnetic and magneto-optical properties of Ga1-xGdxN/GaN superlattices with GdN mole fraction enhanced up to 100%
    Y. Sugeta and S. Hasegawa
    The 18th International Conference on Crystal Growth and Epitaxy (ICCGE-18), August 7-12, 2016, Nagoya, Japan (oral)
  • Single-shot ternary of electron spin states in a quantum dot coupled quantum Hall edge states
    H. Kiyama, T. Nakajima, S. Teraoka, A. Oiwa, and S. Tarucha
    31th International Conference on Physics of Semiconductors (ICPS2016), July 31- August 5, 2016, Beijing, China (oral)
  • Conversion from single photons to single electron spins in gate-defined quantum dots
    A. Oiwa
    31th International Conference on Physics of Semiconductors (ICPS2016), July 31- August 5, 2016, Beijing, China (invited)
  • Efficient control over wavefunctions of electrons in self-assembled InAs quantum dots using side-gating
    R. Shikishima, H. Kiyama, S. Baba, T. Hirayama, N. Nagai, K. Hirakawa, S. Tarucha, and A. Oiwa
    Frontiers in Quantum Materials and Devices Workshop (FQMD2016), June 13-14, 2016, Wako, Japan (poster)
  • Coherent conversion from photons to electron spins using quantum dots
    A. Oiwa
    China-Japan International Workshop on Quantum Technologies (QTech2016), May 13-14, 2016, Beijing, China (invited)

2015

  • Conversion from single photons to single electron spins in quantum dots
    A. Oiwa
    E-IMR/ICC-IMR/TFC/ERATO SQR International Workshop 2015, December 3-4, 2015, Sendai, Japan (invited)
  • Transport through InAs self-assembled quantum dots controlled by sidegate voltages
    Akira Oiwa, Ryoki Shikishima, Takashi Hirayama, Haruki Kiyama, Shoji Baba, Naomi Nagai, Kazuhiko Hirakawa, and Seigo Tarucha
    International Symposium on Advanced Nanodevices and Nanotechnologies, Nov. 29-Dec. 4, 2015, Hawaii USA (oral)
  • Photon-electron spin coupling via angular momentum conversion in a gate-defined GaAs double quantum dot
    A. Oiwa, T. Fujita, and S. Tarucha
    International Symposium on Nanoscale Transport and Nanotechnology (ISNTT2015), November 17-20, 2015, Atsugi, Japan (invited)
  • Effect of electrode-geometries on the transport properties of InAs self-assembled quantum dots
    H. Kiyama, R. Shikishima, S. Baba, T. Hirayama, N. Nagai, K. Hirakawa, S. Tarucha, and A. Oiwa
    International Symposium on Nanoscale Transport and Nanotechnology (ISNTT2015), November 17-20, 2015, Atsugi, Japan (poster)
  • Effect of dimensionality reduction on magnetic properties in dilute magnetic semiconductor GaGdN
    S. Hasegawa
    The 5th International Workshop on Epitaxial Growth and Fundamental Properties of Semiconductor Nanostructures (SemiconNano2015), September 6-11, 2015, Hsinchu, Taiwan (invited)
  • Photon-electron spin coupling using gate-defined GaAs double quantum dots
    A. Oiwa, T. Fujita and S. Tarucha
    SpinTech VIII, August 10-13, 2015, Basel Switzerland (invited)
  • Single‐shot readout of electron spins in a quantum dot using spin filtering by quantum Hall edge states
    H. Kiyama, A. Oiwa, and S. Tarucha
    SpinTech VIII, August 10-13, 2015, Basel Switzerland (poster)
  • Selective Injection of Single Electron Spins into a Quantum Dot using Spin-polarized Non-equilibrium Quantum Hall Edge Channels
    H. Kiyama, T. Nakajima, S. Teraoka, A. Oiwa, and S. Tarucha
    21st International Conference on Electronic Properties of Two-Dimensional Systems (EP2DS-21), July 26-31, 2015, Sendai, Japan (poster)
  • Conversion from single photons to single electron spins using GaAs-based double quantum dots
    A. Oiwa, T. Fujita and S. Tarucha
    Symposium on New Perspectives in Spintronics and Mesoscopic Physics (NPSMP2015), June 10-12, 2015, ISSP, University of Tokyo, Chiba (invited)
  • Fabrication and transport properties of InAs self-assembled quantum dots contacted with nanogap electrodes
    H. Kiyama, T. Hirayama, R. Shikishima, S. Baba, N. Nagai, K. Hirakawa, S. Tarucha, and A. Oiwa
    1st International Workshop on Topological Electronics (Topotronics2015), March 9-11, 2015, Okinawa Institute of Science and Technology, Okinawa (poster)

2014

  • Single-shot readout of electron spin states in a quantum dot coupled to quantum Hall edge states
    H. Kiyama, A. Oiwa, and S. Tarucha
    The 18th SANKEN International Symposium, December 10-11, 2014, Congres Convention Center, Osaka (poster)
  • Photon-spin coupling using electron spins in quantum dots
    A. Oiwa, T. Fujita, K. Morimoto, M. Larsson, G. Allison, H. Kiyama, A. Ludwig, A. D. Wieck, and S. Tarucha
    The 18th SANKEN International Symposium, December 10-11, 2014, Congres Convention Center, Osaka (poster)
  • Conversion from a single photon to a single electron spin using electrically controlled quantum dots
    A. Oiwa, T. Fujita, K. Morimoto, M. Larsson, G. Allison, H. Kiyama, A. Ludwig, A. D. Wieck, and S. Tarucha
    Fujihara Seminar, September 23-27, 2014, Grand Hotel New Oji, Tomakomai, Hokkaido (invited)
  • Angular momentum conversion from single photons to single electron spins in a lateral double quantum dot
    A. Oiwa, T. Fujita, K. Morimoto, H. Kiyama, G. Allison, M. Larsson, A. Ludwig, A.D. Wieck and S. Tarucha
    Solid State Devices and Materials (SSDM2014), September 11th, 2014, Tsukuba, Japan (invited)
  • Single-shot readout electron spins in a quantum dot coupled to quantum Hall edge states
    H. Kiyama, A. Oiwa, and S. Tarucha
    8th International Conference on Quantum Dots (QD 2014), May 11-16, 2014, Pisa, Italy (poster)
  • Conversion of angular momentum from single photons to single electron spins in electrically controlled quantum dots
    A. Oiwa
    American Physical Society March meeting 2014, March 3rd, 2014, Denver, Colorado, USA (invited)
  • Single-shot readout of electron spins in a quantum dot coupled to quantum Hall edge states
    H. Kiyama, A. Oiwa, and S. Tarucha
    American Physical Society March meeting 2014, March 3rd, 2014, Denver, Colorado, USA (oral)