Polarization-independent dual-channel broadband wavelength demultiplexer design by inverse method

Preetam Kumar; Arpita Mishra; Fekadu Mihr; E. S. Shivaleela; T. Srinivas

doi:10.1117/12.2649816

17 March 2023 Polarization-independent dual-channel broadband wavelength demultiplexer design by inverse method

Preetam Kumar, Arpita Mishra, Fekadu Mihr, E. S. Shivaleela, T. Srinivas

Proceedings Volume 12424, Integrated Optics: Devices, Materials, and Technologies XXVII; 124241P (2023) https://doi.org/10.1117/12.2649816
Event: SPIE OPTO, 2023, San Francisco, California, United States

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Abstract

An ultra-compact, polarization-independent, dual-channel wavelength demultiplexer is designed by the inverse method with a footprint of 2.5μm × 2.5μm. The topology optimization-based inverse design method is used for designing the device. It is designed on the CMOS-compatible silicon on Insulator (SOI) platform. The peak transmission obtained for quasi-TE polarization at 1310nm and 1550nm is approx -1.0 dB and -1.7 dB respectively and for quasi-TM polarization at 1310 nm and 1550 nm is approx -1.0 dB and -1.9 dB respectively.

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Preetam Kumar, Arpita Mishra, Fekadu Mihr, E. S. Shivaleela, and T. Srinivas "Polarization-independent dual-channel broadband wavelength demultiplexer design by inverse method", Proc. SPIE 12424, Integrated Optics: Devices, Materials, and Technologies XXVII, 124241P (17 March 2023); https://doi.org/10.1117/12.2649816

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