All-optical gain-clamped L-band erbium-doped fiber amplifier with two feedback-loop lasing wavelengths

Tsair-Chun Liang; Shih Hsu

doi:10.1117/1.2127928

1 November 2005 All-optical gain-clamped L-band erbium-doped fiber amplifier with two feedback-loop lasing wavelengths

Tsair-Chun Liang, Shih Hsu

Author Affiliations +

Optical Engineering, Vol. 44, Issue 11, 115001 (November 2005). https://doi.org/10.1117/1.2127928

Abstract

We experimentally investigate an optically gain-clamped (GC) L-band (1570 to 1600 nm) erbium-doped fiber amplifier (EDFA). Two lasing wavelengths in the optical feedback loop, 1568 and 1600 nm, are separately used for gain clamping with different loop attenuations. The characteristics of the EDFA with single-channel and simulated multichannel operations are examined and compared. We find that the 1568-nm lasing light is a better selection for an L-band GC EDFA to offer good channel gain with satisfactory noise figure characteristics.

©(2005) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Tsair-Chun Liang and Shih Hsu "All-optical gain-clamped L-band erbium-doped fiber amplifier with two feedback-loop lasing wavelengths," Optical Engineering 44(11), 115001 (1 November 2005). https://doi.org/10.1117/1.2127928

Published: 1 November 2005

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