Microfiber Mach-Zehnder interferometer embedded in low index polymer

Sulaiman, Azlan and Harun, Sulaiman Wadi and Lim, Kok Sing and Ahmad, Fauzan and Ahmad, Harith (2012) Microfiber Mach-Zehnder interferometer embedded in low index polymer. Optics & Laser Technology, 44 (4). pp. 1186-1189. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2011.09.032.

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Official URL: https://doi.org/10.1016/j.optlastec.2011.09.032


Microfiber Mach Zehnder Interferometer (MMZI) is demonstrated by micromanipulating an optical microfiber drawn from a single mode fiber (SMF) using a flame brushing technique. The MMZI shows good interference fringes with an extinction ratio of 13 dB and a free spectral range (FSR) of 0.52 nm at 1530 nm. The MMZI is then embedded in a polymer with the refractive index of 1.36 to increase the stability and robustnes of the device. It is found that the transmission spectrum of the packaged MMZI is changed by the polymer, which increases the FSR to 0.83 nm. The degradation in transmission loss and extinction ratio are attributed to the disturbance at the coupling area during the packaging. Compared with waveguide based mach zehnder interferometer, the proposed MMZI is favoured due to easy fabrication, compact size, and easy integration with the fiber system.

Item Type: Article
Funders: MOSTI, Academic of Science Malaysia: BrainGain Program, University of Malaya: UMRG (RG108/11AET)
Uncontrolled Keywords: Microfiber; Microfiber devices
Subjects: 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: 07 Jan 2019 04:30
Last Modified: 07 Jan 2019 04:30
URI: http://eprints.um.edu.my/id/eprint/19912

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