| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
QIT
(2nd) |
2016-11-24
13:00 |
Ibaraki |
KEK Kobayashi-hall |
[Poster Presentation]
Realization of High-Speed Adaptive Quantum State Estimation
Saki Nohara, Ryo Okamoto (Kyoto Univ.), Koichi Yamagata (Chuo Univ.), Akio Fujiwara (Osaka Univ.), Shigeki Takeuchi (Kyoto Univ.) |
For the development of quantum information technology, it is essential to provide a method to efficiently estimate the q... [more] |
|
QIT
(2nd) |
2016-11-24
13:00 |
Ibaraki |
KEK Kobayashi-hall |
[Poster Presentation]
Study on the coherence of multiphoton-multimode entanglement 2
Naoki Yamashiro, Takayuki Kiyohara, Ryo Okamoto (Kyoto Univ.), Jun-Yi WU, Holger F. Hofmann (Hiroshima Univ.), Shigeki Takeuchi (Kyoto Univ.) |
Quantum interference between photons plays a crucial role for linear optics quantum circuits for quantum metrology, quan... [more] |
|
QIT
(2nd) |
2016-05-30
13:00 |
Kochi |
Kochi University of Technology Eikokuji campus |
[Poster Presentation]
High-Speed Adaptive Quantum State Estimation
Saki Nohara, Ryo Okamoto (Kyoto Univ.), Koichi Yamagata (Chuo Univ.), Akio Fujiwara (Osaka Univ.), Shigeki Takeuchi (Kyoto Univ.) |
For the development of quantum information technology, it is essential to provide a method to efficiently estimate the q... [more] |
|
QIT
(2nd) |
2016-05-30
13:00 |
Kochi |
Kochi University of Technology Eikokuji campus |
[Poster Presentation]
The photon-number distribution of a heralded single photon source combining multiplexing and photon-pair number discrimination
Takayuki Kiyohara, Ryo Okamoto, Shigeki Takeuchi (Kyoto Univ.) |
A heralded single photon source (HSPS) is widely used in many experimental quantum science, because it can realize high ... [more] |
|
QIT
(2nd) |
2016-05-30
13:00 |
Kochi |
Kochi University of Technology Eikokuji campus |
[Poster Presentation]
Study on the coherence of multiphoton-multimode entanglement
Naoki Yamashiro, Takayuki Kiyohara, Ryo Okamoto (Kyoto Univ.), Holger F. Hofmann (Hiroshima Univ.), Shigeki Takeuchi (Kyoto Univ.) |
Quantum interference between photons plays a crucial role for linear optics quantum circuit, such as quantum metrology, ... [more] |
|
QIT
(2nd) |
2016-05-30
13:00 |
Kochi |
Kochi University of Technology Eikokuji campus |
[Poster Presentation]
Study on minimizing the temporal correlation of broadband entangled photon pairs
Tatsuki Deguchi, Shunta Sugano, Ryo Okamoto, Shigeki Takeuchi (Kyoto Univ.) |
Entangled photon pairs whose temporal correlation are single optical cycle can be used in many applications including an... [more] |
|
QIT
(2nd) |
2015-05-25
13:20 |
Osaka |
Osaka University |
[Poster Presentation]
Study on minimizing the temporal correlation of broadband entangled photon pairs
Shunta Sugano (Kyoto Univ.), Masayuki Okano (Kyoto Univ./Osaka Univ./Hokkaido Univ.), Yu Eto (Osaka Univ./Hokkaido Univ.), Ryo Okamoto, Shigeki Takeuchi (Kyoto Univ./Osaka Univ./Hokkaido Univ.) |
Entangled photon pairs whose temporal correlation width are single optical cycle can be used in many applications includ... [more] |
|
QIT
(2nd) |
2015-05-25
13:20 |
Osaka |
Osaka University |
[Poster Presentation]
Two-photon quantum interference using a multiplexed single-photon source
Takayuki Kiyohara, Ryo Okamoto, Shigeki Takeuchi (Kyoto Univ.) |
One of the problem with a heralded single-photon source is that
the rate of multi-photon is increased when increasing ... [more] |
|
QIT
(2nd) |
2015-05-25
13:20 |
Osaka |
Osaka University |
[Poster Presentation]
Study on the rapid imaging of quantum optical coherence tomography
Shun Suezawa, Masayuki Okano, Ryo Okamoto (Kyoto Univ.), Norihiko Nishizawa (Nagoya Univ.), Shigeki Takeuchi (Kyoto Univ.) |
Quantum optical coherence tomography (QOCT), a quantum version of optical coherence tomography (OCT ), has been studied ... [more] |
|
QIT
(2nd) |
2014-05-12
10:30 |
Aichi |
Nagoya Univ. |
Demonstration of high-resolution quantum optical coherence tomography by broadband frequency-correlated photon pairs
Masayuki Okano, Yuichi Nagamatsu, Akira Tanaka (Hokkaido Univ./Osaka Univ.), Hwan Hong Lim (NIMS), Ryo Okamoto (Hokkaido Univ./Osaka Univ.), Norihiko Nishizawa (Nagoya Univ.), Sunao Kurimura (NIMS), Shigeki Takeuchi (Hokkaido Univ./Osaka Univ./Kyoto Univ.) |
Optical coherence tomography (OCT) based on low-coherence light interference has widely been utilized in medicine as a n... [more] |
|
QIT
(2nd) |
2014-05-12
- 2014-05-13 |
Aichi |
Nagoya Univ. |
[Poster Presentation]
Realization of high-resolution quantum optical coherence tomography and demonstration of its dispersion cancellation
Yuichi Nagamatsu (Osaka Univ.), Masayuki Okano (Hokkaido Univ.), Akira Tanaka (Osaka Univ.), Ryo Okamoto (Hokkaido Univ.), Norihiko Nishizawa (Nagoya Univ.), Shigeki Takeuchi (Hokkaido Univ.) |
[more] |
|
QIT
(2nd) |
2014-05-12
- 2014-05-13 |
Aichi |
Nagoya Univ. |
[Poster Presentation]
Study on Si3N4 waveguide toward optical quantum information technology
Tatsurou Sagawa (Osaka Univ.), Ryo Okamoto, Masayuki Okano (Hokkaido Univ.), Masaaki Isino, Shiyoshi Yokoyama (Kyushu Univ.), Shigeki Takeuchi (Kyoto Univ.) |
Recently photonic quantum circuit made of optical waveguide on silicon chip has been widely studied. In particular on-ch... [more] |
|
QIT
(2nd) |
2013-11-18
- 2013-11-19 |
Tokyo |
Waseda Univ. |
[Poster Presentation]
Quantum state data mining
Takafumi Ono, Ryo Okamoto, Shigeki Takeuchi (Hokkaido Univ.), Satoshi Hara, Takashi Washio (Osaka Univ.) |
[more] |
|
QIT
(2nd) |
2013-05-27
15:10 |
Hokkaido |
Hokkaido Univ. |
Realization and Observation of Ultra-Broadband Frequency Correlated Photon Pairs at Near-Infrared Wavelength Range
Akira Tanaka, Ryo Okamoto (Hokkaido Univ./Osaka Univ.), Hwan Hong Lim (NIMS), Masayuki Okano, Yu Eto, Shanthi Subashchandran (Hokkaido Univ./Osaka Univ.), Sunao Kurimura (NIMS), Labao Zhang, Lin Kang, Jian Chen, Peiheng Wu (Nanjing Univ.), Toru Hirohata (Hamamatsu Photonics, K.K.), Shigeki Takeuchi (Hokkaido Univ./Osaka Univ.) |
A monocycle entangled photon pair is a two-photon state that has a temporal quantum correlation within an optical cycle ... [more] |
|
QIT
(2nd) |
2012-11-28
10:40 |
Kanagawa |
Keio Univ. Hiyoshi Campus |
Experimental Demonstration of Adaptive Quantum State Estimation
Ryo Okamoto (Hokkaido Univ.), Minako Iefuji, Satoshi Oyama, Koichi Yamagata (Osaka Univ.), Hiroshi Imai (Univ. of Pavia), Akio Fujiwara (Osaka Univ.), Shigeki Takeuchi (Hokkaido Univ.) |
The experimental demonstration of an adaptive quantum state estimation (AQSE) is reported. The strong consistency and as... [more] |
|
QIT
(2nd) |
2012-11-27
- 2012-11-28 |
Kanagawa |
Keio Univ. Hiyoshi Campus |
[Poster Presentation]
Toward Measurement of Temporal correlation width of parametric fluorescence with Sum Frequency Generation
Yu Eto (Osaka Univ.), Masayuki Okano, Akira Tanaka, Shanthi Subashchandran, Ryo Okamoto (Hokkaido Univ./Osaka Univ.), Hwan Hong Lim, Sunao Kurimura (NIMS), Shigeki Takeuchi (Hokkaido Univ./Osaka Univ.) |
[more] |
|
QIT
(2nd) |
2012-11-27
- 2012-11-28 |
Kanagawa |
Keio Univ. Hiyoshi Campus |
[Poster Presentation]
Demonstration of the dispersion-tolerant quantum optical coherence tomography by broadband parametric fluorescence
Masayuki Okano, Ryo Okamoto, Akira Tanaka, Shanthi Subashchandran (Hokkaido Univ./Osaka Univ.), Shutaro Ishida, Norihiko Nishizawa (Nagoya Univ.), Shigeki Takeuchi (Hokkaido Univ./Osaka Univ.) |
Optical coherence tomography (OCT) based on low-coherence light interference has widely been utilized in biology and med... [more] |
|
QIT
(2nd) |
2012-11-27
- 2012-11-28 |
Kanagawa |
Keio Univ. Hiyoshi Campus |
[Poster Presentation]
Effect of the input photon pair rate on Hong-Ou-Mandel interference
Takaaki Yokoi (Osaka Univ.), Masayuki Okano, Ryo Okamoto, Shigeki Takeuchi (Hokkaido Univ.) |
[more] |
|
QIT
(2nd) |
2012-11-27
- 2012-11-28 |
Kanagawa |
Keio Univ. Hiyoshi Campus |
[Poster Presentation]
Error analysis of optical quantum circuits consisting of multiple quantum gates
Masato Tanida (Osaka Univ.), Takafumi Ono, Ryo Okamoto, Shigeki Takeuchi (Hokkaido Univ) |
In the construction of optical quantum circuits, it needs to connect multiple optical quantum gates and it is supposed t... [more] |
|
QIT
(2nd) |
2012-05-21
13:20 |
Fukui |
Fukui Univ. |
[Poster Presentation]
Heralded optical quantum gate assisted by path entanglement
Ryo Okamoto, Shigeki Takeuchi (Hokkaido Univ.) |
Knill, Laflamme, Milburn found that scalable quantum computer could be built from heralded optical quantum gates. Herald... [more] |
|