Oiwa Laboratory

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)