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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| ITS, IE, ITE-MMS, ITE-HI, ITE-ME, ITE-AIT [detail] | 2019-02-20 13:00 |
Hokkaido | Hokkaido Univ. | Analysis on Basic Operation of Virtual Shift Method for Accuracy Improvement of Holographic Diversity Interferometry Nobuhiro Yamagishi, Atsushi Okamoto, Tomohiro Maeda (Hokkaido Univ.), Jin Nozawa (Aisin Seiki), Kazuhisa Ogawa, Akihisa Tomita (Hokkaido Univ.) |
Holographic diversity interferometry (HDI) enables single-shot phase measurement by using two image sensors. However, mi... [more] | |
| ITS, IE, ITE-MMS, ITE-HI, ITE-ME, ITE-AIT [detail] | 2019-02-20 13:45 |
Hokkaido | Hokkaido Univ. | Accuracy improvement of phase modulated signal by calibrating spatial light modulator Tomohiro Maeda, Atsushi Okamoto, Kazuhisa Ogawa, Akihisa Tomita (Hokkaido Univ.) |
The modulation accuracy of phase-only spatial light modulators (SLMs) decreases by the distortion of the phase response ... [more] | |
| QIT (2nd) |
2018-11-26 16:20 |
Tokyo | The University of Tokyo | Weak value measurement method without probes Kazuhisa Ogawa (Hokkaido Univ.), Hirokazu Kobayashi (Kochi Univ. of Tech.), Akihisa Tomita (Hokkaido Univ.) |
[more] | |
| QIT (2nd) |
2018-06-05 10:00 |
Hiroshima | ICCH Ran | State tomographic characterization of BB84 states generated by a Dual-Parallel Modulator Weiyang Zhang, Akihisa Tomita, Yu Kadosawa, Kazuhisa Ogawa (Hokkaido Univ.) |
We have proposed the use of Dual-Parallel Modulator to generate BB84 states to reduce the state preparation flaw due to ... [more] | |
| QIT (2nd) |
2018-06-05 15:40 |
Hiroshima | ICCH Ran | Acquisition method of complex values defined by system's evolution using qubit probes Kazuhisa Ogawa (Hokkaido Univ.), Osamu Yasuhiko (Kyoto Univ.), Hirokazu Kobayashi (Kochi Univ. Tech.), Toshihiro Nakanishi (Kyoto Univ.), Takumi Okazaki, Akihisa Tomita (Hokkaido Univ.) |
[more] | |
| ITS, IE, ITE-MMS, ITE-HI, ITE-ME, ITE-AIT [detail] | 2018-02-16 13:00 |
Hokkaido | Hokkaido Univ. | Experiment on digital image multiplexing/demultiplexing using virtual phase conjugation for high density holographic memory Yuta Goto, Atsushi Okamoto, Kazuhisa Ogawa, Akihisa Tomita (Hokkaido Univ.) |
We experimentally implemented and proved the concept of the multiplexing and demultiplexing in digital images using VPC,... [more] | |
| ITS, IE, ITE-MMS, ITE-HI, ITE-ME, ITE-AIT [detail] | 2018-02-16 15:10 |
Hokkaido | Hokkaido Univ. | [Invited Talk]
Multi-Frame Super Resolution Using Frame Selection and Multiple Fusion for 250 Million Pixel Images
-- ICCE2018特集 -- Yinhao Li, Yutaro Iwamoto (Ritsumeikan Univ.), Ogawa Katsuhisa (Canon), Chen Yen-Wei (Ritsumeikan Univ.) |
[more] | |
| QIT (2nd) |
2017-11-16 13:50 |
Saitama | Saitama University | [Poster Presentation]
BB84 Quantum Key Distribution system with a Dual-Parallel Modulator Weiyang Zhang, Yu Kadosawa, Akihisa Tomita, Kazuhisa Ogawa, Atsushi Okamoto (Hokkaido Univ.) |
The state preparation flaw which is generated by the pulse fluctuation in the signal applied for the phase modulator in ... [more] | |
| OFT, OCS, LSJ (Joint) [detail] |
2017-09-01 10:50 |
Hokkaido | Hokkaido Univ. | Separation Characteristics of Volume Holographic Spatial Mode Demultiplexer at 850 nm Wavelength Shimpei Shimizu, Atsushi Okamoto, Fumiya Mizukawa, Kazuhisa Ogawa, Akihisa Tomita (Hokkaido Univ.), Taketoshi Takahata (OPTOQUEST), Satoshi Shinada, Naoya Wada (NICT)  OCS2017-31 |
In mode division multiplexing transmission, the spatial mode demultiplexing technique is required on the receive side. A... [more] | OCS2017-31 pp.45-50 |
| OFT, OCS, LSJ (Joint) [detail] |
2017-09-01 11:15 |
Hokkaido | Hokkaido Univ. | Experiment on selective mode conversion using dual-phase modulation Tomohiro Maeda, Atsushi Okamoto, Kazuhisa Ogawa, Akihisa Tomita (Hokkaido Univ.), Yuta Wakayama, Takehiro Tsuritani (KDDI Research) OCS2017-32 |
For realizing the optical network based on mode division multiplexing, it is necessary to develop the technology which a... [more] | OCS2017-32 pp.51-55 |
| QIT (2nd) |
2017-05-30 16:10 |
Kyoto | Ritesumeikan University, Suzaku Campus | Classical observation of a focused beam spot beyond the diffraction limit by using the time-reversal symmetry of quantum mechanics Kazuhisa Ogawa (Hokkaido Univ.), Hirokazu Kobayashi (Kochi Univ. of Tech.), Akihisa Tomita (Hokkaido Univ.) |
The position-wavenumber entanglement in entangled photon pairs is the basis for various quantum-optical phenomena. By... [more] |
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| IE, ITS, ITE-AIT, ITE-HI, ITE-ME, ITE-MMS, ITE-CE [detail] | 2017-02-20 13:30 |
Hokkaido | Hokkaido Univ. | Characterization of multiplexing technique using virtual phase conjugation for high density holographic memory Yuta Goto, Atsushi Okamoto, Kazuhisa Ogawa, Akihisa Tomita (Hokkaido Univ.) |
In the holographic memory, the achievable multiplexing number of holograms and the recording density are inherently rest... [more] | |
| IE, ITS, ITE-AIT, ITE-HI, ITE-ME, ITE-MMS, ITE-CE [detail] | 2017-02-20 13:45 |
Hokkaido | Hokkaido Univ. | Experiment on Virtual Shift Method for Reduction of Alignment Error in Holographic Diversity Interferometry Nobuhiro Yamagishi, Atsushi Okamoto, Jin Nozawa, Yuta Goto, Kazuhisa Ogawa, Akihisa Tomita (Hokkaido Univ.) |
In phase measurement using Holographic Diversity Interferometry (HDI), misalignment of two holograms captured by two ima... [more] | |
| IE, ITS, ITE-AIT, ITE-HI, ITE-ME, ITE-MMS, ITE-CE [detail] | 2017-02-20 14:15 |
Hokkaido | Hokkaido Univ. | Experiment on spatial mode separation and conversion technique using volume hologram Fumiya Mizukawa, Atsushi Okamoto, Yuta Goto, Shimpei Shimizu, Kazuhisa Ogawa, Akihisa Tomita (Hokkaido Univ.) |
[more] | |
| IE, ITS, ITE-AIT, ITE-HI, ITE-ME, ITE-MMS, ITE-CE [detail] | 2017-02-20 14:30 |
Hokkaido | Hokkaido Univ. | Experiment on Dual-Wavelength Method toward Spatial Mode De-Multiplexing with Volume Hologram in Optical Communication Wavelength Band Shimpei Shimizu, Atsushi Okamoto, Fumiya Mizukawa, Kazuhisa Ogawa, Akihisa Tomita (Hokkaido Univ.), Taketoshi Takahata (OPTOQUEST), Satoshi Shinada, Naoya Wada (NICT) |
In the mode division multiplexing transmission, the spatial mode de-multiplexing technique is required on the receive si... [more] | |
| ITS, IE, ITE-AIT, ITE-HI, ITE-ME, ITE-MMS, ITE-CE [detail] | 2016-02-23 10:30 |
Hokkaido | Hokkaido Univ. | Virtual interferogram-generation method for high accurate phase detection using only two holograms Jin Nozawa, Atsushi Okamoto, Kazuhisa Ogawa, Akihisa Tomita (Hokkaido Univ.) |
[more] | |
| QIT (2nd) |
2015-11-24 13:40 |
Kanagawa | NTT Atsugi R&D center | [Poster Presentation]
Dispersion-cancelled and artifact-background-free optical coherence tomography Kazuhisa Ogawa (Kyoto Univ./Hokkaido Univ.), Masao Kitano (Kyoto Univ.) |
[more] | |
| QIT (2nd) |
2013-05-27 - 2013-05-28 |
Hokkaido | Hokkaido Univ. | [Poster Presentation]
Geometry of Grover's search algorithms Ken Hamada, Shuhei Tamate, Kazuhisa Ogawa, Masao Kitano (Kyoto Univ.) |
Grover's search algorithm is a quantum algorithm which is polynomially faster than classical computation. The algorithm... [more] |
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