Probe-Trace Distortion of 1.65 μm Optical Time-Domain Reflectometry in On-Line Monitoring 1.55 μm Fiber Raman Amplifier Transmission System
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概要
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An on-line supervisory 1.55 μm 10 Gb/s dense wavelength division multiplexing (DWDM) distributed fiber Raman amplifier (FRA) transmission system using either a forward- or backward-pumping scheme is investigated. A distorted optical time-domain reflectometer (OTDR) trace due to the Raman gain amplification of 1.65 μm OTDR pulsed light and unwanted Rayleigh-backscattered CW amplified spontaneous emission (ASE) lights is observed. Such distorted traces give rise to an unaccurately measured fiber-loss coefficient and a reflection profile along the fiber link. The monitoring characteristics and system power penalty for both forward- and backward-pumping schemes are examined and compared.
- 2004-01-15
著者
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Mi Han-ping
Institute Of Electro-optical Engineering National Sun Yat-sen University
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Chen Yung-kuang
Institute Of Electro-optical Engineering National Sun Yat-sen University
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Tsai Szu-chi
Department Of Control-engineering National Taichung Industrial High School
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Kuo I-Yu
Optical Communication & Networking Technologies Department, Computer & Communications Research Laboratory, Industrial Technology Research Institute, 195 Chung Hsing Rd., Sec. 4 Chu Tung, Hsin Chu, Taiwan
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Mi Han-Ping
Institute of Electro-Optical Engineering, National Sun Yat-Sen University, Kaohsiung, Taiwan
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Chen Yung-Kuang
Institute of Electro-Optical Engineering, National Sun Yat-Sen University, Kaohsiung, Taiwan
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Tsai Szu-Chi
Department of Control-Engineering, National Taichung Industrial High School, Taichung, Taiwan
関連論文
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- Probe-Trace Distortion of 1.65 μm Optical Time-Domain Reflectometry in On-Line Monitoring 1.55 μm Fiber Raman Amplifier Transmission System
- Countermeasures of Stimulated-Raman-Scattering-Induced Video Distortion in 1.65μm Optical Time-domain Reflectometer On-line Monitoring 1.55μm Cable Television System