Author(s): Chiang, YJ (Chiang, Y. J.); Hsiao, CS (Hsiao, C. S.); Wang, LK (Wang, Likarn) Title: Optimization of erbium-doped fiber MOPA laser
Source: OPTICS COMMUNICATIONS, 283 (6): 1055-1058 MAR 15 2010 Language: English
Document Type: Article
Author Keywords: Erbium-doped fiber; Fiber laser; Fiber amplifier; MOPA laser; Pump conversion efficiency
KeyWords Plus: L-BAND; RING LASER; HIGH-EFFICIENCY; OUTPUT POWER; LOW- NOISE; MU-M
Abstract: An erbium-doped fiber laser (EDFL) constructed in a master oscillator and power amplifier (MOPA) configuration is analyzed. The pump powers for the fiber cavity laser and the booster amplifier stages are managed properly to achieve maximal pump conversion
efficiency. Our design achieves a pump conversion efficiency of 91.4%, corresponding to a quantum efficiency of 96.6%, for a 1565.8 nm MOPA laser pumped by a total power of 300 mW at 1480 nm. The optimized MOPA laser shows a 25% enhancement in the Pump conversion efficiency, compared to a non-MOPA fiber laser. A side lobe suppression ratio of 48 dB for the optimized MOPA laser is observed. (C) 2009 Elsevier B.V. All rights reserved.
Addresses: [Wang, Likarn] Natl Tsing Hua Univ, Inst Photon Technol, Hsinchu 300, Taiwan;
[Chiang, Y. J.] Oriental Inst Technol, Dept Elect Engn, Taipei, Taiwan; [Hsiao, C. S.] Asia Univ, Dept Photon & Commun Engn, Taichung, Taiwan
Reprint Address: Wang, LK, Natl Tsing Hua Univ, Inst Photon Technol, Hsinchu 300, Taiwan.
E-mail Address: lkwang@ee.nthu.edu.tw Funding Acknowledgement:
Funding Agency Grant Number
National Science Council, ROC NSC 97-2221-E-007-027
This research is financially supported by Grant NSC 97-2221-E-007-027 from the National Science Council, ROC.
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Publisher: ELSEVIER SCIENCE BV
Publisher Address: PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS ISSN: 0030-4018
DOI: 10.1016/j.optcom.2009.11.001 29-char Source Abbrev.: OPT COMMUN ISO Source Abbrev.: Opt. Commun.
Source Item Page Count: 4 Subject Category: Optics
ISI Document Delivery No.: 558TL
