Investigation of dynamic range and noise figure in a two-stage erbium-doped fiber amplifier employing an optical bandpass filter

Seo Yeon Park; Kyong-Hon Kim; Hak Kyu Lee; El-Hang Lee

doi:10.1117/12.182048

5 August 1994 Investigation of dynamic range and noise figure in a two-stage erbium-doped fiber amplifier employing an optical bandpass filter

Seo Yeon Park, Kyong-Hon Kim, Hak Kyu Lee, El-Hang Lee

Author Affiliations +

Proceedings Volume 2321, Second International Conference on Optoelectronic Science and Engineering '94; (1994) https://doi.org/10.1117/12.182048
Event: Optoelectronic Science and Engineering '94: International Conference, 1994, Beijing, China

Abstract

It was observed that the constant saturated output power range, called dynamic range, of a two-stage erbium-doped fiber amplifier (EDFA) employing an optical bandpass filter depends on pump powers of the first stage EDFA, and the saturation power level depends on pump powers of the second stage EDFA. Low noise figure configurations of the first stage amplifier in the two-stage EDFA turn out to deliver low gain efficiencies and narrow dynamic ranges. The measured unsaturated gain, saturated output power, and dynamic range of the two stage EDFA were 51.5 dB, 13.8 dBm and 30 dB within 1 dB of the peak value, respectively, at the first and second amplifiers' pump powers of 13 mW and 51 mW.

Citation Download Citation

Seo Yeon Park, Kyong-Hon Kim, Hak Kyu Lee, and El-Hang Lee "Investigation of dynamic range and noise figure in a two-stage erbium-doped fiber amplifier employing an optical bandpass filter", Proc. SPIE 2321, Second International Conference on Optoelectronic Science and Engineering '94, (5 August 1994); https://doi.org/10.1117/12.182048

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