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Long‐wavelength EDFA gain enhancement through 1550‐nm‐band lasing
Author(s) -
Sun Junqiang
Publication year - 2002
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.10286
Subject(s) - lasing threshold , optical amplifier , bandwidth (computing) , optoelectronics , materials science , erbium doped fiber amplifier , wavelength , optics , laser , microwave , erbium , doping , physics , telecommunications , engineering
Gain enhancement and bandwidth broadening in a long‐wavelength band (L band) EDFA are demonstrated by incorporating an erbium‐doped fiber laser. Utilizing the strong 1550 nm lasing signal used as a secondary pump source, considerable improvements in gain and its bandwidth are achieved. The enhancement of the L‐band gain characteristics is strongly influenced by a secondary pump signal wavelength and its optical power. © 2002 Wiley Periodicals, Inc. Microwave Opt Technol Lett 33: 240–242, 2002; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.10286

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