Fabrication and characterization of high order filter based on resonance in hybrid multi-knots microfiber structure

Nodehi, S. and Mohammed, W.S. and Ahmad, Harith and Harun, Sulaiman Wadi (2016) Fabrication and characterization of high order filter based on resonance in hybrid multi-knots microfiber structure. Optics & Laser Technology, 78. pp. 120-124. ISSN 0030-3992

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Official URL: http://dx.doi.org/10.1016/j.optlastec.2015.10.016

Abstract

This work proposes a novel design of a hybrid microfiber resonator which can be used as a band-pass and band-stop filter in various applications such as fiber lasers. The structure comprises of two microfiber knot resonators with different sizes which are surrounded by a semi-loop structure with one input and two output ports. Utilization of the Vernier effect in the proposed structure showed an enhancement of the free spectral range (FSR). The finesse has increased by a factor of three compared to a single knot providing a sharper roll-off. The filter bandwidth is adjustable as a result of the manipulation of the coupling length and rings' radii. The performance of the device is explained theoretically using transfer matrix analysis.

Item Type: Article
Uncontrolled Keywords: Microfiber resonator; Band-pass filter; Band-stop filter; Matrix analysis
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Faculty of Science
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 11 Oct 2017 01:30
Last Modified: 09 Oct 2018 03:37
URI: http://eprints.um.edu.my/id/eprint/17943

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