Gain enhancement in L-band EDFA through a double-pass technique

Harun, Sulaiman Wadi and Poopalan, Prabakaran and Ahmad, Harith (2002) Gain enhancement in L-band EDFA through a double-pass technique. IEEE Photonics Technology Letters, 14 (3). pp. 296-297. ISSN 1041-1135, DOI https://doi.org/10.1109/68.986791.

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Official URL: http://dx.doi.org/10.1109/68.986791

Abstract

An improvement of gain in the long-wavelength band (L-band) is observed by double passing the forward amplified spontaneous emission and signal in the erbium-doped fiber (EDF) using a circulator, unlike the conventional single pass amplification. A gain enhancement as high as 11 dB is obtained for a 1570-nm signal with an input power of -20 dBm at 98 mW of pump power. However, a noise figure penalty of about 2 dB is observed.

Item Type: Article
Funders: UNSPECIFIED
Uncontrolled Keywords: Circulator; Double-pass technique; Erbium-doped fiber; L-Band; Optical amplifier
Subjects: Q Science > Q Science (General)
Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Faculty of Science > Department of Physics
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 05 Oct 2018 08:22
Last Modified: 05 Oct 2018 08:22
URI: http://eprints.um.edu.my/id/eprint/19623

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