Abstract

A new type of integrated polarizer based on bent coupled optical waveguides is proposed. The simplicity of the device geometry permits its realization using only basic standard fabrication steps. A deep-etched waveguide silicon nitride TE-pass implementation is numerically investigated. The characteristics of the underlying physical mechanism bring in flexibility to the design of broadband devices robust against fabrication tolerances. The possibility of incorporating almost design-transparent polarizers in photonic integrated circuits is discussed.

© 2019 Optical Society of America

Design and characterization of silicon nitride ultracompact integrated polarizers using bent asymmetric coupled waveguides

Pedro Chamorro-Posada
Opt. Lett. 46(3) 609-612 (2021)

Radiation in bent asymmetric coupled waveguides

P. Chamorro-Posada
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Polarization beam splitter based on a silicon nitride–silica–silicon horizontal slot waveguide

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Rotating polarization using Berry’s phase in asymmetric silicon strip waveguides

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Broadband silicon polarization beam splitter with a high extinction ratio using a triple-bent-waveguide directional coupler

Jun Rong Ong, Thomas Y. L. Ang, Ezgi Sahin, Bryan Pawlina, G. F. R. Chen, D. T. H. Tan, Soon Thor Lim, and Ching Eng Png
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