Theoretical Models of Two-Channel Erbium-Doped Fiber Amplifier

Shigeyuki SEIKAI  Tatsuo TOHI  

Publication
IEICE TRANSACTIONS on Electronics   Vol.E77-C   No.10   pp.1702-1705
Publication Date: 1994/10/25
Online ISSN: 
DOI: 
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Opto-Electronics
Keyword: 
optical fiber amplifier,  erbium-doped fiber,  optical gain,  wavelength division multiplexing,  laser scheme,  

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Summary: 
Experimental optical gain characteristics of an erbium-doped fiber amplifier have not been explained well by conventional laser schemes in the case of two-channel amplification. Modified simple laser schemes including cross relaxation among degenerate levels were valid for the explanation of the optical gain dependence on input signal power and on the erbium-doped fiber length.