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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SANE, SAT (Joint) |
2011-02-25 16:20 |
Hyogo | NICT Kobe Research Laboratories | Experiment plan for Space Optical Communications Research Advanced Technology Satellite Hideki Takenaka, Morio Toyoshima, Yoshihisa Takayama, Yoshisada Koyama, Maki Akioka (NICT)  SANE2010-169 |
As 50-kg class small satellites can be launched as piggyback with the host satellite, the development cost can be reduce... [more] | SANE2010-169 pp.59-63 |
| SANE | 2010-10-28 14:20 |
Overseas | Ramada Hotel, Jeju-do, Korea | Simulation model for generating time-varying optical signals based on atmospheric turbulence spectrum for space-to-ground laser links Morio Toyoshima, Takashi Sasaki, Hideki Takenaka, Yoshihisa Takayama (NICT) SANE2010-101 |
[more] | SANE2010-101 pp.195-200 |
| SAT, RCS (Joint) |
2010-08-27 15:30 |
Kagoshima | Kagoshima Univ. | An eficient SDGM coding scheme for optical satellite-to-ground link based on a new channel model Yoshitoshi Yamashita, Eiji Okamoto, Yasunori Iwanami (Nagoya Inst. of Tech.), Yozo Shoji, Yoshihisa Takayama, Morio Toyoshima (NICT) SAT2010-42 |
In this paper, we propose a new channel model of optical satellite-to-ground link by analyzing the results of optical tr... [more] | SAT2010-42 pp.75-80 |
| EMT, OPE, MW, IEE-EMT [detail] | 2010-07-29 11:30 |
Hokkaido | Hokkaido Univ. | [Invited Talk]
Trends of Laser Communications in Space
-- Focusing on International Workshop GOLCE2010 -- Morio Toyoshima, Yoshihisa Takayama (NICT) MW2010-41 OPE2010-26 |
Radio frequencies (RF) are usually used for long-distance links in space. However, the recent progress in optics and las... [more] | MW2010-41 OPE2010-26 pp.21-26 |
| AP, SAT (Joint) |
2010-07-22 09:00 |
Hokkaido | Kitami Inst. Tech. | Estimation of accessibility in satellite-ground laser communications Yoshihisa Takayama, Morio Toyoshima (NICT) SAT2010-11 |
The satellite-ground laser communications carried out in 2008 and 2009 are introduced with some descriptions on the expe... [more] | SAT2010-11 pp.1-5 |
| SANE | 2010-06-25 17:00 |
Ibaraki | Tsukuba Space Center (JAXA) | Studies on laser communications between a small satellite and optical ground station network Yoshihisa Takayama, Morio Toyoshima (NICT), Yutaka Kakimi (AES), Koichi Shiratama (NTSpace), Takayoshi Kizaki (Spacelink) SANE2010-50 |
A small satellite and a small optical transponder being developed are introduced. With the given specifications, a scena... [more] | SANE2010-50 pp.207-211 |
| SANE | 2010-05-21 15:00 |
Kanagawa | National Defense Academy of Japan | Log-likelihood coherent optical receiver
-- High-speed ADCless Architecture -- Morio Toyoshima, Yozo Shoji, Yoshihisa Takayama (NICT), Takashi Maehata (SEI) SANE2010-13 |
Coherent optical technologies have recently been receiving renewed interest in high bit rate communications. Such recei... [more] | SANE2010-13 pp.19-23 |
| RCS, SAT (Joint) |
2009-12-17 14:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Future Satellite Communications
-- Toward a Japan's Next Project -- Takashi Iida (Tokyo Metropolitan Univ.), Naoto Kadowaki, Ryutaro Suzuki, Naoko Yoshimura, Yoshihisa Takayama (NICT) SAT2009-47 |
[more] | SAT2009-47 pp.1-6 |
| SANE | 2009-11-03 15:25 |
Overseas | Fudan University (Shanghai) | 1-km free-space quantum key distribution experiments between portable optical terminals for space communications Morio Toyoshima, Hideki Takenaka, Yozo Shoji, Yoshihisa Takayama, Masahiro Takeoka, Mikio Fujiwara, Masahide Sasaki (NICT) SANE2009-111 |
[more] | SANE2009-111 pp.159-164 |
| SAT | 2009-10-30 09:55 |
Nara | Nara Prefectural New Public Hall | Networking of optical ground stations to avoid influence of clouds Yoshihisa Takayama, Morio Toyoshima, Yozo Shoji (NICT), Shinichi Kimura (Tokyo Univ. of Science) SAT2009-33 |
he use of terrestrial networks to combine plural optical ground stations is considered to increase the rate of time to p... [more] | SAT2009-33 pp.93-97 |
| SANE | 2009-06-25 17:00 |
Ibaraki | Tsukuba Space Center (JAXA) | Data acquisition of the laser beam propagation through the atmosphere and experimental verification of elemental technologies by using ground-to-OICETS laser communication links Morio Toyoshima, Hideki Takenaka, Christian Schaefer, Yozo Shoji, Yoshihisa Takayama, Yoshisada Koyama, Hiroo Kunimori (NICT), Shiro Yamakawa (JAXA), Eiji Okamoto (Nagoya Inst. of Tech.) SANE2009-28 |
National Institute of Information and Communications Technology (NICT) conducts the research and development for space l... [more] | SANE2009-28 pp.73-80 |
| RCS, SAT (Joint) |
2008-12-18 16:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Current status of space laser communications and technologies Yoshihisa Takayama, Morio Toyoshima (NICT) SAT2008-54 |
[more] | SAT2008-54 pp.7-11 |
| SANE | 2008-11-24 14:45 |
Overseas | Ba-Da-Guan Hotel, Qingdao | In-Orbit Measurements of Satellite Microvibrations Using Ground-to-OICETS Laser Communication Links
-- Requirements for Satellite Angular Microvibrations -- Morio Toyoshima, Yoshihisa Takayama, Hiroo Kunimori (NICT), Takashi Jono, Shiro Yamakawa (JAXA) |
[more] | |
| SAT | 2008-11-07 11:30 |
Overseas | Riviera Hotel Pusan | Effect of installation of wavefront compensation techniques in satellite-ground laser communications Yoshihisa Takayama, Morio Toyoshima, Hiroo Kunimori (NICT) SAT2008-39 |
[more] | SAT2008-39 pp.139-144 |
| SANE, SAT (Joint) |
2008-02-29 15:15 |
Ibaraki | Kashima Space Research Center (NICT) | Study of polarization-tracking scheme for free-space quantum cryptography Morio Toyoshima, Yoshihisa Takayama, Hiroo Kunimori, Masahiro Takeoka, Mikio Fujiwara, Masahide Sasaki (NICT) SAT2007-70 |
Quantum cryptography is a new technique for transmitting quantum information. The information is securely transmitted du... [more] | SAT2007-70 pp.49-54 |
| SAT | 2006-10-20 11:40 |
Overseas | KAL Hotel (Jeju-Do, Korea) | Measurement of atmospheric turbulence in a ground-to-low earth orbit optical link Morio Toyoshima, Hiroo Kunimori (NICT), Takashi Jono, Yoshihisa Takayama, Katsuyoshi Arai (JAXA) |
Ground-to-satellite laser communication experiments between the optical ground station located in the Koganei ward of do... [more] | |
| SANE | 2006-06-22 10:00 |
Ibaraki | JAXA(Tsukuba) | On-orbit operation results of Optcal Inter-orbit Communications Engineering Test Satellite (OICETS) Masaaki Mokuno, Takashi Jono, Yoshihisa Takayama, Koichi Ohinata, Nobuhiro Kura, Yuuichi Fujiwara, Toshihiko Yamawaki, Shigeru Usuki, Katsuyoshi Arai (JAXA), Kenichi Ikebe, Koichi Shiratama, Naoto Ogura, Ichiro Mase (NT Space), Koetsu Fujiwara, Yasuhiro Toyota (NAS) SANE2006-76 |
Japan Aerospace Exploration Agency (JAXA) launched Optical Inter-orbit Communications Engineering Test Satellite (OICETS... [more] | SANE2006-76 pp.57-62 |
| SANE | 2006-06-22 10:25 |
Ibaraki | JAXA(Tsukuba) | On-orbit test results of Laser Utilizing Communications Equipment (LUCE) on Optical Inter-orbit Communications Engineering Test Satellite (OICETS) Koichi Shiratama, Mitsue Aizono, Takeo Kumagai, Kenichi Ikebe, Ichiro Mase (NT Space), Takashi Jono, Yoshihisa Takayama, Koichi Ohinata, Nobuhiro Kura, Yoshisada Koyama, Katsuyoshi Arai (JAXA), Junya Abe (SED) SANE2006-77 |
Optical Inter-orbit Communications Engineering Test Satellite (OICETS “Kirari”) was launched on August 24, 2005, in orde... [more] | SANE2006-77 pp.63-68 |
| SANE | 2006-06-22 11:15 |
Ibaraki | JAXA(Tsukuba) | Preliminary results of Kirari optical communication demonstration experiments with NICT optical ground station (KODEN) Morio Toyoshima, Toshiaki Kuri, Werner Klaus, Masahiro Toyoda, Hiroo Kunimori (NICT), Takashi Jono, Yoshihisa Takayama, Nobuhiro Kura, Koichi Ohinata, Katsuyoshi Arai (JAXA), Koichi Shiratama, Kenichi Ikebe, Ichiro Mase (NTSpace), Junya Abe (SED) SANE2006-79 |
In-orbit verification of the inter-orbit optical communication link experiment between the Optical Inter-orbit Communica... [more] | SANE2006-79 pp.75-80 |
| OPE, LQE, CPM, EMD | 2005-08-26 14:25 |
Hokkaido | Efficient Coupling of Pump Beam using Two Mutually Pumped Phase Conjugate Mirrors in EDFA Hideyuki Kaseda, Atsushi Okamoto (hokkaido Univ.), Yoshihisa Takayama (JAXA) |
We propose a new method to coupled a pump beam to a fiber using two mutually phase conjugate mirrors (MPPCMs). Accordin... [more] | EMD2005-54 CPM2005-82 OPE2005-62 LQE2005-42 pp.45-50 |
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