An efficient background suppression ratio and output power using a novel fiber loop mirrors technique

BOUZID, B and MOHAMMED, H and MAHDI, M and ABDULLAH, M (2007) An efficient background suppression ratio and output power using a novel fiber loop mirrors technique. Optics & Laser Technology, 39 (3). 644-646 . ISSN 00303992

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Official URL: http://dx.doi.org/10.1016/j.optlastec.2005.09.001

Abstract

This paper demontrates a novel configuration of a linear cavity erbium-doped fiber laser using fiber loop mirrors to effectively suppress the noise generated by the amplified spontaneous emission (ASE). A tunable filter is deployed in each fiber loop mirror to create a narrow passband for the selected mode. The fiber laser produces high background suppression ratio (BSR) of more than 75 dB from 1525 to 1565 nm at the output coupling of 95%. There is no residual ASE detected at the output to verify the effectiveness of the noise filtering in the proposed fiber laser. Low threshold powers are obtained in the range of 2.5-3 mW and the peak power variation is smaller than 1.6 dB. (c) 2005 Elsevier Ltd. All rights reserved.

Item Type: Article
Subjects: T Technology > T Technology (General)
Q Science > QC Physics
Divisions: Faculty of Engineering and Technology (FET)
Depositing User: Ms Suzilawati Abu Samah
Date Deposited: 29 Sep 2011 03:45
Last Modified: 27 Feb 2014 07:38
URI: http://shdl.mmu.edu.my/id/eprint/3071

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