Ultra-Broadband Mode Filter Based on Phase-Shifted Long-Period Grating

Quandong Huang; Wen Wang; Wei Jin; Kin Seng Chiang

doi:10.1109/LPT.2019.2917388

Author(s)

Related Research Unit(s)

Department of Electrical Engineering

Detail(s)

Original language	English
Article number	8717989
Pages (from-to)	1052-1055
Journal / Publication	IEEE Photonics Technology Letters
Volume	31
Issue number	13
Online published	17 May 2019
Publication status	Published - 1 Jul 2019

Link(s)

DOI	DOI https://doi.org/10.1109/LPT.2019.2917388 Final Published version
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Attachment(s)	Documents 33180952.pdf Post-print, 683 KB, PDF Publisher's Copyright Statement © 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. Huang, Q., Wang, W., Jin, W., & Chiang, K. S. (2019). Ultra-Broadband Mode Filter Based on Phase-Shifted Long-Period Grating. IEEE Photonics Technology Letters, 31(13), 1052-1055. [8717989]. https://doi.org/10.1109/LPT.2019.2917388.
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Permanent Link	https://scholars.cityu.edu.hk/en/publications/publication(f09e1d93-9da9-4d99-b9f8-97b344997b9e).html

Abstract

We propose an ultra-broadband mode filter based on the structure of a phase-shifted long-period grating formed along a few-mode waveguide terminated with two linear tapers. To demonstrate the operation principle, we design a mode filter to reject the fundamental mode of a three-mode waveguide that supports the E₁₁, E₂₁, and E₁₂ modes. Our typical experimental device fabricated with polymer material, which has a length of 26 mm, provides polarization-insensitive 10-dB rejection of the E₁₁ mode against the E₂₁ and E₁₂ modes with bandwidths of ∼190nm (1440-1630 nm) and ∼140nm (1450-1590 nm), respectively. The proposed mode filter could serve as a general platform for the development of mode filters and mode-dependent-loss compensators for mode-division-multiplexing applications.

Research Area(s)

gratings, Integrated optics devices, optical polymer, optical waveguide components

Citation Format(s)

[ RIS ] [ BibTeX ]

Ultra-Broadband Mode Filter Based on Phase-Shifted Long-Period Grating. / Huang, Quandong; Wang, Wen; Jin, Wei et al.
In: IEEE Photonics Technology Letters, Vol. 31, No. 13, 8717989, 01.07.2019, p. 1052-1055.

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

Huang, Q, Wang, W, Jin, W & Chiang, KS 2019, 'Ultra-Broadband Mode Filter Based on Phase-Shifted Long-Period Grating', IEEE Photonics Technology Letters, vol. 31, no. 13, 8717989, pp. 1052-1055. https://doi.org/10.1109/LPT.2019.2917388

Huang, Q., Wang, W., Jin, W., & Chiang, K. S. (2019). Ultra-Broadband Mode Filter Based on Phase-Shifted Long-Period Grating. IEEE Photonics Technology Letters, 31(13), 1052-1055. Article 8717989. https://doi.org/10.1109/LPT.2019.2917388

Huang Q, Wang W, Jin W, Chiang KS. Ultra-Broadband Mode Filter Based on Phase-Shifted Long-Period Grating. IEEE Photonics Technology Letters. 2019 Jul 1;31(13):1052-1055. 8717989. Epub 2019 May 17. doi: 10.1109/LPT.2019.2917388

Huang, Quandong ; Wang, Wen ; Jin, Wei et al. / Ultra-Broadband Mode Filter Based on Phase-Shifted Long-Period Grating. In: IEEE Photonics Technology Letters. 2019 ; Vol. 31, No. 13. pp. 1052-1055.

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