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Proceedings Paper

Design and analysis of polarization beam splitter based on cascaded MMI on SOI
Author(s): Devendra Chack; Shamsul Hassan; Abhishek Kumar
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Paper Abstract

A high extinction ratio polarization beam splitter (PBS) based on cascaded multimode interference couplers is designed on silicon on insulator substrate using 3D beam propagation method (BPM). The numerical simulation tool shows that the polarization extinction ratio is greater than 20 dB for both TE and TM polarizations over C-band wavelength range. The proposed device has insertion loss below 0.8 dB at wavelength 1550 nm for TE and TM polarization. The polarization beam splitter has a compact size and relaxed fabrication tolerance in term of width and length of MMI coupler. These parameters make it as a promising element for polarization diversity circuit and photonic integrated circuits.

Paper Details

Date Published: 25 February 2020
PDF: 6 pages
Proc. SPIE 11283, Integrated Optics: Devices, Materials, and Technologies XXIV, 1128320 (25 February 2020); doi: 10.1117/12.2544405
Show Author Affiliations
Devendra Chack, Indian Institute of Technology (Indian School of Mines), Dhanbad (India)
Shamsul Hassan, Indian Institute of Technology (Indian School of Mines), Dhanbad (India)
Abhishek Kumar, Indian Institute of Technology (Indian School of Mines), Dhanbad (India)


Published in SPIE Proceedings Vol. 11283:
Integrated Optics: Devices, Materials, and Technologies XXIV
Sonia M. García-Blanco; Pavel Cheben, Editor(s)

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