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Theoretical Models of Two-Channel Erbium-Doped Fiber Amplifier
Shigeyuki SEIKAI Tatsuo TOHI
IEICE TRANSACTIONS on Electronics
Publication Date: 1994/10/25
Print ISSN: 0916-8516
Type of Manuscript: LETTER
optical fiber amplifier, erbium-doped fiber, optical gain, wavelength division multiplexing, laser scheme,
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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.