LP01–LP11Cross-Mode Interference in a Chirped Grating Inscribed in Two-Mode Fiber

Lim, Kok Sing and Islam, M.R. and Lee, Y.S. and Yang, H.Z. and Ahmad, Harith (2016) LP01–LP11Cross-Mode Interference in a Chirped Grating Inscribed in Two-Mode Fiber. IEEE Journal of Quantum Electronics, 52 (6). pp. 1-6. ISSN 0018-9197, DOI https://doi.org/10.1109/JQE.2016.2564679.

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Official URL: http://dx.doi.org/10.1109/JQE.2016.2564679


We have demonstrated LP01-LP11 cross-mode interference in a single chirped grating (CG) inscribed in a two-mode fiber (TMF). With the aid of a binary phase plate, LP01 mode and LP11 mode can be selectively excited in the CG. By offsetting the position of the phase plate from the center of the input beam, we can simultaneously excite both the spatial modes at different LP01:LP11 intensity ratios in the TMF. The excited modes lead to the formation of different interference patterns in the output spectra. The measured output spectra are found to be in good agreement with the simulation based on a coupled mode theory.

Item Type: Article
Funders: University of Malaya HIR Grant (UM.C/625/1/HIR/MOHE/SCI/01), PPP Grant (PG006-2014A) and FRGS (FP002-2013B), National Natural Science Foundation of China (No. 61405160)
Uncontrolled Keywords: Bragg gratings; Coupled mode analysis; Few-mode fibers
Subjects: Q Science > QC Physics
Divisions: Faculty of Science > Department of Physics
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 10 Oct 2017 05:16
Last Modified: 11 Oct 2018 03:19
URI: http://eprints.um.edu.my/id/eprint/17935

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