Programmable Coupler Ladder Based on Lithium Niobate Y-Junction Reflector(<Special Section>Optical Signal-Processing Devices for Photonic Networks)
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概要
- 論文の詳細を見る
This paper presents a proposal for a novel integrated tunable coupler device called programmable coupler ladder, based on Titanium diffused lithium niobate waveguide and Y-junction reflector. Unlike the traditional serial to parallel converter, the coupler ladder sorts the output bits in the time axis using a built-in delay waveguide. With a proper control signal it can perform signal processing at the bit level. It also can generate coherent multi-channel outputs with theoretically arbitrary amplitude and phase from continuous input light source. Its application in optical microwave beam forming is briefly described. The key component, built-in delay line based on Y-junction reflector, has been experimentally verified via a loop resonator structure. 1 dB loss is found for each Y-junction reflector, which enables a practical coupler ladder. The loop itself is also an important device for optical signal processing.
- 社団法人電子情報通信学会の論文
- 2005-03-01
著者
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Yu Paul
Dept. Of Electrical And Computer Engineering University Of California
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Shinada Satoshi
National Institute of Information and Communications Technology, New Generation Network Research Cen
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Chen Jianxiao
Dept. Of Electrical And Computer Engineering University Of California
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KAWANISHI Tetsuya
National Institute of Information and Communications Technology
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HIGUMA Kaoru
New Technology Laboratories, Sumitomo Osaka Cement Co. Ltd.
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CHANG William
Dept. of Electrical and Computer Engineering, University of California
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IZUTSU Masayuki
National Institute of Information and Communications Technology
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Higuma K
New Technology Laboratories Sumitomo Osaka Cement Co. Ltd.
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Chang William
Dept. Of Electrical And Computer Engineering University Of California
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Izutsu M
Tokyo Institute Of Technology
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Shinada S
National Institute Of Information And Communications Technology
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Shinada Satoshi
National Institute Of Information And Communications Technology New Generation Network Research Cent
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Kawanishi T
National Institute Of Information And Communications Technology
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Kawanishi Tetsuya
National Inst. Of Information And Technol. (nict) Tokyo Jpn
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Shinada Satoshi
National Institute of Information and Communications Technology
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Izutsu Masayuki
National Institute of Information and Communication Technology
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Shinada Satoshi
National Institute of Information and Communication Technology
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