Masao KAWACHI


88 Optical Matrix Switch Using Silica-Based Planar Lightwave Circuits
Masayuki OKUNO Akio SUGITA Tohru MATSUNAGA Masao KAWACHI Yasuji OHMORI Katsumi KATOH 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1993/07/25
Vol. E76-C  No. 7  pp. 1215-1223
Type of Manuscript:  PAPER
Category: Opto-Electronics
Keyword: 
88 optical matrix switchsilica-based planar lightwave circuitsMach-Zehnder interferometerthermo-optic phase shifter
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Bridge-Suspended Silica-Waveguide Thermo-Optic Phase Shifter and Its Application to Mach-Zehnder Type Optical Switch
Akio SUGITA Kaname JINGUJI Norio TAKATO Katsumi KATOH Masao KAWACHI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/01/25
Vol. E73-E  No. 1  pp. 105-109
Type of Manuscript:  Special Section PAPER (Special Issue on International Conference on Integrated Optics and Optical Fiber Communication)
Category: Optical Waveguides and Their Devices
Keyword: 
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High-Silica Guided-Wave Hybrid Optical Transmitting-Receiving Module
Shin SUMIDA Yasufumi YAMADA Mitsuho YASU Masao KAWACHI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1986/04/25
Vol. E69-E  No. 4  pp. 352-354
Type of Manuscript:  Special Section LETTER (Special Issue: Papers from 1986 National Convention IECE Japan)
Category: Optical Communication and Cables
Keyword: 
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Fabrication of the VAD Single-Mode Fibres
Satoru TOMARU Masao KAWACHI Mitsuho YASU Takao EDAHIRO 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1982/12/25
Vol. E65-E  No. 12  pp. 717-722
Type of Manuscript:  PAPER
Category: Optical and Quantum Electronics
Keyword: 
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Refractive-Index Profile Control Techniques in the Vapor-Phase Axial Deposition Method
Shoichi SUDO Masao KAWACHI Hiroyuki SUDA Motohiro NAKAHARA Takao EDAHIRO 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1981/08/25
Vol. E64-E  No. 8  pp. 536-543
Type of Manuscript:  PAPER
Category: Optical and Quantum Electronics
Keyword: 
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Transmission Characteristics of Long-Length VAD fibers
Shoichi SUDO Masao KAWACHI Takao EDAHIRO Kazunori CHIDA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1981/03/25
Vol. E64-E  No. 3  pp. 175-180
Type of Manuscript:  PAPER
Category: Optical and Quantum Electronics
Keyword: 
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Optical-Loss Characteristics of High GeO2 Content Silica Fibers
Noriyoshi SHIBATA Masao KAWACHI Takao EDAHIRO 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1980/12/25
Vol. E63-E  No. 12  pp. 837-841
Type of Manuscript:  PAPER
Category: Materials
Keyword: 
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Sintering Process of Porous Preforms Made by a VAD Method for Optical Fiber Fabrication
Shoichi SUDO Takao EDAHIRO Masao KAWACHI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1980/10/25
Vol. E63-E  No. 10  pp. 731-737
Type of Manuscript:  PAPER
Category: Optical and Quantum Electronics
Keyword: 
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OH-Ion Reduction in the Optical Fibers Fabricated by the Vapor Phase Axial Deposition Method
Takao EDAHIRO Masao KAWACHI Shoichi SUDO Nobuo INAGAKI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1980/08/25
Vol. E63-E  No. 8  pp. 574-580
Type of Manuscript:  PAPER
Category: Optical and Quantum Electronics
Keyword: 
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Fabrication of GeO2 Doped Silica Single-mode Fiber
Tadashi MIYASHITA Akio KAWANA Motohiro NAKAHARA Masao KAWACHI Toshihito HOSAKA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1978/11/25
Vol. E61-E  No. 11  pp. 891-895
Type of Manuscript:  PAPER
Category: Optical and Quantum Electronics
Keyword: 
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