Gain enhancement in partial double-pass L-band EDFA system using a band-pass filter

Harun, Sulaiman Wadi and Samsuri, Norhakimah Md and Ahmad, Harith (2005) Gain enhancement in partial double-pass L-band EDFA system using a band-pass filter. Laser Physics Letters, 2 (1). pp. 36-38. ISSN 1612-2011, DOI

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The partial double-pass L-band erbium-doped fiber amplifier with enhanced gain characteristic is demonstrated using a band pass filter (BPF). The BPF is incorporated to the doublepass route to suppress the amplified spontaneous emission from the single-pass output for gain enhancing. The gain of 515 dB is obtained for the proposed amplifier at input signal power of -40 dBm, which is approximately 5.2 dB higher compared with the system without the BPF. However, the insertion toss of the BPF contributes to a small noise figure penalty in the system. This amplifier can be easily modified to support dense wavelength division multiplexing system application by using multiple channel BPFs or interleaver.

Item Type: Article
Uncontrolled Keywords: Double-pass amplifier; L-band EDFA; Optical amplifier; Two-stage EDFA
Subjects: Q Science > Q Science (General)
Q Science > QC Physics
T Technology > TA Engineering (General). Civil engineering (General)
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: 11 Oct 2018 09:08
Last Modified: 17 Oct 2018 01:50

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