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Paper Abstract and Keywords
Presentation 2004-11-26 14:40
Stability evaluation of Raman amplifier for 1.3 micron band using an optical fiber cable in the field
Ikuo Yamashita, Kyoichi Oro, Shigeyuki Seikai (KEPCO), Daisuke Kanaya, Hisashi Sawada (Mitsubishi Cable)
Abstract (in Japanese) (See Japanese page) 
(in English) Discrete Raman amplifier is effective for various wavelength signals, especially for those in access network systems. However, in order to apply it to access systems, it is necessary for the amplifier to support both digital and analog signal. In addition, properties such as wide dynamic range and stable output for burst signals are demanded. From this point of view, transmission experiments are carried out about the Raman amplifier designed for use in 1.3-${\mu}m$ wavelength region. Pump light is generated using a 1.12-${\mu}m$ fiber laser and a Raman laser technique. Obtained gain of up to 15 dB, noise figure of less than 6 dB, and flat frequency response over 12 GHz are enough properties for the access system. Bit error rate performance at 10-Gbit/s and carrier to noise ratio properties are found to be satisfactory through measurement using a 10-km optical fiber installed outside. Concerning the stability of the amplifier, output fluctuation is confirmed to be less than 1 dB for 14-days measurement. Applicability of the amplifier to burst signals is verified by measuring transient response after amplifier for milli-second pulse signals.
Keyword (in Japanese) (See Japanese page) 
(in English) Raman Amplification / Access system / Burst signal / Optical amplifier / Raman laser / Transient properties / /  
Reference Info. IEICE Tech. Rep., vol. 104, pp. 49-54, Nov. 2004.
Paper #  
Date of Issue 2004-11-19 (OCS, OFT) 
ISSN Print edition: ISSN 0913-5685
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Conference Information
Committee OCS OFT IEE-CMN  
Conference Date 2004-11-25 - 2004-11-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Yufuin Seminer House of Nippon Bunri Universi 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To IEE-CMN 
Conference Code 2004-11-OCS-OFT-IEE-CMN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Stability evaluation of Raman amplifier for 1.3 micron band using an optical fiber cable in the field 
Sub Title (in English)  
Keyword(1) Raman Amplification  
Keyword(2) Access system  
Keyword(3) Burst signal  
Keyword(4) Optical amplifier  
Keyword(5) Raman laser  
Keyword(6) Transient properties  
Keyword(7)  
Keyword(8)  
1st Author's Name Ikuo Yamashita  
1st Author's Affiliation Kansai Electric Power (KEPCO)
2nd Author's Name Kyoichi Oro  
2nd Author's Affiliation Kansai Electric Power (KEPCO)
3rd Author's Name Shigeyuki Seikai  
3rd Author's Affiliation Kansai Electric Power (KEPCO)
4th Author's Name Daisuke Kanaya  
4th Author's Affiliation Mitsubishi Cable Industries, LTD (Mitsubishi Cable)
5th Author's Name Hisashi Sawada  
5th Author's Affiliation Mitsubishi Cable Industries, LTD (Mitsubishi Cable)
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Speaker Author-1 
Date Time 2004-11-26 14:40:00 
Presentation Time 25 minutes 
Registration for IEE-CMN 
Paper # OCS2004-138, OFT2004-81 
Volume (vol) vol.104 
Number (no) no.457(OCS), no.459(OFT) 
Page pp.49-54 
#Pages
Date of Issue 2004-11-19 (OCS, OFT) 


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