Optical communication

Results: 509



#Item
171Photonics / Japanese space program / Optical devices / Optical fiber / OICETS / Laser / Free-space optical communication / Optical amplifier / Optical communication / Technology / Optics / Physics

4-3 Experiment of the Fiber Coupling Efficiency for Satellite Downlinks TAKENAKA Hideki, TOYOSHIMA Morio, and TAKAYAMA Yoshihisa The results are shown of experiments to measure fiber coupling efficiencies using the fine

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Source URL: www.nict.go.jp

Language: English - Date: 2013-11-21 21:12:16
172Japan Aerospace Exploration Agency / National Institute of Information and Communications Technology / Free-space optical communication / International Space Station / Laser / Optics / Spaceflight / Japanese space program / OICETS

5 International Campaign of Laser Communication Experiments using OICETS 5-1 GOLCE Overview TAKAYAMA Yoshihisa and TOYOSHIMA Morio The Ground-to-OICETS Laser Communications Experiments, GOLCE, that was carried out in 200

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Source URL: www.nict.go.jp

Language: English - Date: 2013-11-21 21:13:28
173OICETS / German Aerospace Center / Japan Aerospace Exploration Agency / Free-space optical communication / Spaceflight / Japanese space program / Germany

5-2 The Uplink Data Received by OICETS KOYAMA Yoshisada, TOYOSHIMA Morio, TAKAYAMA Yoshihisa, and TAKENAKA Hideki This paper shows the results of data analysis obtained by OICETS during international optical communicatio

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Source URL: www.nict.go.jp

Language: English - Date: 2013-11-21 21:13:44
174Optical devices / Physics / Optical communications / Fiber-optic communications / Laser science / Optical amplifier / Optical fiber / Optical link / Laser / Optics / Photonics / Technology

5 Optical Communication Technologies 5-1 Study on Laser Communications Demonstration Equipment at the International Space Station ARIMOTO Yoshinori This paper summarizes CRL’s efforts to perform a mission analysis and

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Source URL: www.nict.go.jp

Language: English - Date: 2005-01-24 05:03:47
175Electromagnetic radiation / Photonics / Fiber optics / Telecommunications / Wavelength-division multiplexing / Optical fiber / Fiber-optic communication / Fiber Bragg grating / Multiplexer / Optics / Multiplexing / Technology

5-2 High-Spectral Density Multiplexing Transmission and Photonic Mixing for Millimeter-Wave-Band Radio-on-Fiber Systems KURI Toshiaki, YAMASHITA Tsukasa, TODA Hiroyuki, and KITAYAMA Ken-ichi Two system architectures base

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Source URL: www.nict.go.jp

Language: English - Date: 2013-11-21 18:47:36
176Japan Aerospace Exploration Agency / Communications satellites / Satellite / Free-space optical communication / International Space Station / Artemis / Spaceflight / Japanese space program / OICETS

1 Introduction WAKANA Hiromitsu When the data resolution of the observation of the earth environment by satellite is improved and the data transmission volume is increased, a high-speed, high-capacity communication link

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Source URL: www.nict.go.jp

Language: English - Date: 2013-11-21 21:09:55
177Quantum cryptography / Quantum information science / Quantum key distribution / Quantum computer / Photon / Quantum information / Public-key cryptography / Cryptosystem / Optical fiber / Physics / Cryptography / Theoretical computer science

3-2 Secure Communication with Quantum Cryptography HASEGAWA Toshio, NISHIOKA Tsuyoshi, ISHIZUKA Hirokazu, NAMBU Yoshihiro, TOMITA Akihisa, and TAJIMA Akio Quantum cryptography, which has the advantage of being able to de

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Source URL: www.nict.go.jp

Language: English - Date: 2006-11-20 07:55:22
178Photonics / Fiber optics / Radio technology / Multiplexing / Wavelength-division multiplexing / Subcarrier multiplexing / Optical fiber / Microwave / Fiber-optic communication / Technology / Optics / Electromagnetic radiation

2-5 Dense Multiplexing and Transmission Technique of Millimeter-Wave-Band Radio-on-Fiber Signals KURI Toshiaki, TODA Hiroyuki, and KITAYAMA Ken-ichi Optical-frequency-interleaved dense wavelength division multiplexing (D

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Source URL: www.nict.go.jp

Language: English - Date: 2013-11-21 19:55:26
179Code division multiple access / Multiplexing / Radio resource management / Physics / Chip / Fiber-optic communication / Chaos theory / Ultrashort pulse / Optical fiber / Optics / Photonics / Electromagnetic radiation

5-5 Optical Chaos CDMA UMENO Ken Ultrafast secure communication systems are proposed based on applications of chaos theory to designing optical pulse code for optical CDMA. Chaotic optical pulse code generator was recent

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Source URL: www.nict.go.jp

Language: English - Date: 2013-11-21 18:48:38
180Photonics / Optical communication / Optical fiber

1 Optical COE(Center of Excellence) Project ITABE Toshikazu The Communications Research Laboratory (CRL) has undertaken the Research of Advanced Optical Communications and Sensing Technologies (called the Optical COE Pro

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Source URL: www.nict.go.jp

Language: English - Date: 2013-11-21 18:42:46
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