Single longitudinal mode laser generation using coupled microfiber Mach–Zehnder interferometer filter

Ahmad, Harith and Thambiratnan, K. and Faruki, Md Jahid and Azzuhri, Saaidal Razalli (2018) Single longitudinal mode laser generation using coupled microfiber Mach–Zehnder interferometer filter. Laser Physics, 28 (8). 085102. ISSN 1054-660X

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Official URL: https://doi.org/10.1088/1555-6611/aac1ae

Abstract

The fabrication and operation of a single longitudinal mode (SLM) laser using a compact coupled microfiber Mach-Zehnder interferometer (CM-MZI) in an erbium doped fiber (EDF) laser cavity is demonstrated. The CM-MZI is created by first fabricating an optical microfiber using the flame-brushing technique before being cut and rejoined to form a half-loop, which is the basis for the CM-MZI structure. The CM-MZI is inserted into an EDF laser cavity; the filtering effect of the CM-MZI induces a stable SLM lasing output with a consistent 3 dB bandwidth of 0.02 nm at different a pumping power and signal-to-noise ratio of ∼50 dB. The output also exhibits minimal wavelength and power fluctuations of 0.02 nm and 0.15 dB, respectively, over a time period of 60 min.

Item Type: Article
Uncontrolled Keywords: erbium doped fiber laser; Mach-Zehnder interferometer; microfiber; single longitudinal mode
Subjects: Q Science > Q Science (General)
Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Q Science > QC Physics
Divisions: Faculty of Computer Science & Information Technology
Deputy Vice Chancellor (Research & Innovation) Office > Photonics Research Centre
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 07 Oct 2019 02:19
Last Modified: 07 Oct 2019 02:19
URI: http://eprints.um.edu.my/id/eprint/22669

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