WFRF:(Yu Jin)
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- Zhang, X. L. (author)
Automatic real-time control for gain-flattened fiber Raman amplifiers
- Article/chapterEnglish2004
Publisher, publication year, extent ...
- Elsevier BV,2004
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:kth-23685
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-23685URI
- https://doi.org/10.1016/j.optcom.2004.05.013DOI
Supplementary language notes
- Language:English
- Summary in:English
Part of subdatabase
- SwePubSwePub
Classification
Notes
- QC 20100525 QC 20110923
- An automatic control algorithm for flattening the gain of a fiber Raman amplifier is derived from the Raman scattering equations. A pseudo-inverse gain matrix is introduced to adjust the powers of the pump lasers. The algorithm is simple, fast, effective, robust and insensitive to the length and type of the fiber. It is demonstrated experimentally that the gain flattening for Raman amplifiers comprising various types and lengths of fiber and with different target gains can be achieved automatically with this algorithm. The algorithm converges for both small and large input signal. Flattened Raman gain with a fluctuation less than 0.40 dB over a 50-nm bandwidth for a 50-km SMF or less than 0.20 dB over a 40-nm bandwidth for a 6.6-km dispersion compensated fiber is realized in the experiment.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik hsv//swe
- ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering hsv//eng
- optical amplifier
- fiber Raman amplifier
- automatic control
- gain flattening
- design
Added entries (persons, corporate bodies, meetings, titles ...)
- Shao, L. Y. (author)
- Yu, Z. W. (author)
- Cheng, D. R. (author)
- Jin, R. X. (author)
- He, SailingKTH,Teoretisk elektroteknik(Swepub:kth)u1tir6md (author)
- KTHTeoretisk elektroteknik (creator_code:org_t)
Related titles
- In:Optics Communications: Elsevier BV239:01-3, s. 79-840030-40181873-0310
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- Cheng, D. R.
- Jin, R. X.
- He, Sailing
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- ENGINEERING AND TECHNOLOGY
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- Royal Institute of Technology
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