Harun, Sulaiman Wadi and Ahmad, Harith (2004) Gain-Clamped Double-Pass L-Band Erbium-Doped Fiber Amplifier Using A Ring Laser and Fiber Bragg Grating. Japanese Journal of Applied Physics, 43 (No. 7A). L924-L926. ISSN 0021-4922, DOI https://doi.org/10.1143/JJAP.43.L924.
Full text not available from this repository.Abstract
A highly efficient gain-clamped long-wavelength-band erbium-doped fiber amplifier (L-band EDFA) using a ring laser in a double-pass system is demonstrated. A broadband fiber Bragg grating (FBG) operating in the L-band region is used to retro-pass the test signal into the system to enhance the gain. The forward conventional-band (C-band) amplified spontaneous emission passes through the FBG and is routed to the input end of the amplifier via a C/L-band wavelength-selective coupler (WSC) so as to create a laser for gain clamping. The gain is clamped at 16.3 dB in the input power range from -40 to -8 dBm with a gain variation of less than ±0.2 dB at a variable optical attenuator setting of 12 dB. However, the noise figure is relatively high in the proposed amplifier due to the incorporation of a C/L-band WSC and a FBG.
| Item Type: | Article |
|---|---|
| Funders: | UNSPECIFIED |
| Uncontrolled Keywords: | Erbium-doped fiber; Fiber Bragg grating; L-band EDFA; Optical amplifier; Ring laser |
| 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: | 11 Oct 2018 08:41 |
| Last Modified: | 11 Oct 2018 08:41 |
| URI: | http://eprints.um.edu.my/id/eprint/19652 |
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