Osamu HIROTA


Quantum Noise of Optical Locking Amplification Process
Norihiro YOSHIDA Suthichai NOPPANAKEEPONG Osamu HIROTA Shigeo TSUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1992/09/25
Vol. E75-A  No. 9  pp. 1124-1127
Type of Manuscript:  Special Section LETTER (Special Section on Information Theory and Its Applications)
Category: 
Keyword: 
injection lockingquantum noiselocking amplificationPM-AM transformationnonlinear amplification
 Summary | Full Text:PDF(303.3KB)

An Optical Receiver Overcome the Standard Quantum Limit
Tsuyoshi SASAKI Osamu HIROTA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1992/06/25
Vol. E75-B  No. 6  pp. 514-520
Type of Manuscript:  Special Section PAPER (Special Issue on Communication Theory)
Category: 
Keyword: 
optical communicationquantum communicationreceived quantum state controlconditional unitary and injection locking
 Summary | Full Text:PDF(536KB)

FOREWORD
Fumio KANAYA Masao NAKAGAWA Osamu HIROTA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1992/06/25
Vol. E75-B  No. 6  pp. 435-436
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(182.2KB)

A Realization of Optical Communication Using Received Quantum State Control
Seitetsu BUN Tsuyoshi SASAKI Hideaki TSUSHIMA Osamu HIROTA Masao NAKAGAWA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/10/25
Vol. E73-E  No. 10  pp. 1647-1656
Type of Manuscript:  Special Section PAPER (Special Issue on Communication Theory and Its Applications)
Category: Modulation and Demodulation
Keyword: 
 Summary | Full Text:PDF(859.6KB)

Properties of Photon Counting System with Squeezed State Signal in Loss Channel
Seitetsu BUN Kouichi YAMAZAKI Osamu HIROTA Masao NAKAGAWA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1989/09/25
Vol. E72-E  No. 9  pp. 953-956
Type of Manuscript:  LETTER
Category: Optical Communication
Keyword: 
 Summary | Full Text:PDF(230.8KB)

Quantum Communication Theory and Its Applications
Osamu HIROTA Hideaki TSUSHIMA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1989/05/25
Vol. E72-E  No. 5  pp. 460-470
Type of Manuscript:  INVITED PAPER (Special Issue on Information Theory and Its Applications)
Category: 
Keyword: 
 Summary | Full Text:PDF(864.3KB)

Quantum Noise Analysis of Chains with Amplifiers and Attenuators
Kiyofumi MOCHIZUKI Osamu HIROTA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1989/05/25
Vol. E72-E  No. 5  pp. 547-549
Type of Manuscript:  Special Section PAPER (Special Issue on Information Theory and Its Applications)
Category: 
Keyword: 
 Summary | Full Text:PDF(229.9KB)

Application of Quantum State Control to Optical Phase-Locked Loop
Yoshihiro YOSHIDA Masao NAKAGAWA Osamu HIROTA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1989/05/25
Vol. E72-E  No. 5  pp. 539-546
Type of Manuscript:  Special Section PAPER (Special Issue on Information Theory and Its Applications)
Category: 
Keyword: 
 Summary | Full Text:PDF(611.1KB)

Effect of Asymmetric Error Correcting Codes in Photon Communication Systems
Tomohiko UYEMATSU Kouichi YAMAZAKI Osamu HIROTA Masao NAKAGAWA Kohichi SAKANIWA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1988/09/25
Vol. E71-E  No. 9  pp. 850-857
Type of Manuscript:  PAPER
Category: Information Theory and Coding Theory
Keyword: 
 Summary | Full Text:PDF(587KB)

Optimum Condition of Squeezed State Signal for Optical Communication with Energy Loss
Kouichi YAMAZAKI Osamu HIROTA Masao NAKAGAWA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1988/08/25
Vol. E71-E  No. 8  pp. 775-783
Type of Manuscript:  PAPER
Category: Communication Theory
Keyword: 
 Summary | Full Text:PDF(711.3KB)

Properties of Coherent Optical Communication with Received Quantum State Control and Its Capacity
Osamu HIROTA Yoshihiro YOSHIDA Masao NAKAGAWA Mikio TAKAHARA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1988/04/25
Vol. E71-E  No. 4  pp. 372-375
Type of Manuscript:  LETTER
Category: Optical Communication
Keyword: 
 Summary | Full Text:PDF(322.7KB)

Comparison between Photon Communication Systems and Quantum Coherent Communication Systems
Kouichi YAMAZAKI Osamu HIROTA Masao NAKAGAWA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1987/09/25
Vol. E70-E  No. 9  pp. 835-840
Type of Manuscript:  PAPER
Category: Communication Theory
Keyword: 
 Summary | Full Text:PDF(460.1KB)

Application of Received Quantum State Control for Coherent Optical Communications
Osamu HIROTA Osamu KAGAMI Mikio TAKAHARA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1987/09/25
Vol. E70-E  No. 9  pp. 801-803
Type of Manuscript:  LETTER
Category: Communication Theory
Keyword: 
 Summary | Full Text:PDF(199.2KB)

Effect of Error Correcting Code in Photon Communications with Energy Loss
Kouichi YAMAZAKI Osamu HIROTA Masao NAKAGAWA Tomohiko UYEMATSU Masanori OHYA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1987/08/25
Vol. E70-E  No. 8  pp. 689-692
Type of Manuscript:  LETTER
Category: Foundations of Signal Theory and Communication Theory
Keyword: 
 Summary | Full Text:PDF(273.2KB)

On Classes of Novel Quantum State for Attenuation Process
Tomohiko UYEMATSU Osamu HIROTA Kohichi SAKANIWA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1987/04/25
Vol. E70-E  No. 4  pp. 385-388
Type of Manuscript:  LETTER
Category: Optical Communication
Keyword: 
 Summary | Full Text:PDF(259.8KB)

Properties of Cutoff Rate for Photon Channels
Osamu HIROTA Kouichi YAMAZAKI Yota ENDO Masao NAKAGAWA Mikio TAKAHARA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1987/01/25
Vol. E70-E  No. 1  pp. 7-10
Type of Manuscript:  LETTER
Category: Communication Theory
Keyword: 
 Summary | Full Text:PDF(207.5KB)

Properties of Error Correcting Code Using Photon Pulse
Osamu HIROTA Kouichi YAMAZAKI Masao NAKAGAWA Masanori OHYA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1986/09/25
Vol. E69-E  No. 9  pp. 917-919
Type of Manuscript:  LETTER
Category: Communication Theory
Keyword: 
 Summary | Full Text:PDF(210.3KB)

Minimax Strategy in the Quantum Detection Theory and Its Application to Optical Communications
Osamu HIROTA Shikao IKEHARA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1982/11/25
Vol. E65-E  No. 11  pp. 627-633
Type of Manuscript:  PAPER
Category: Communication Theory
Keyword: 
 Summary | Full Text:PDF(494.6KB)

Quantum Intensity Noise of Directly Modulated Laser Diode Influenced by Reflected Waves
Osamu HIROTA Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1982/02/25
Vol. E65-E  No. 2  pp. 94-101
Type of Manuscript:  PAPER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(590.9KB)

Optimal Control of Quantum Noise (Optical Communications by Two-photon Laser Part II)
Osamu HIROTA Isamu SHIOYA Shikao IKEHARA Yasuharu SUEMATSU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1978/04/25
Vol. E61-E  No. 4  pp. 273-279
Type of Manuscript:  PAPER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(481.1KB)