Photonic-integrated wavelength selective switch for S+C+L applications

Lorenzo Tunesi; Ihtesham Khan; Muhammad Umar Masood; Enrico Ghillino; Andrea Carena; Vittorio Curri; Paolo Bardella

doi:10.1117/12.2650360

14 March 2023 Photonic-integrated wavelength selective switch for S+C+L applications

Lorenzo Tunesi, Ihtesham Khan, Muhammad Umar Masood, Enrico Ghillino, Andrea Carena, Vittorio Curri, Paolo Bardella

Proceedings Volume 12417, Optical Components and Materials XX; 124170X (2023) https://doi.org/10.1117/12.2650360
Event: SPIE OPTO, 2023, San Francisco, California, United States

Conference Poster

Abstract

We propose a novel modular photonic integrated Wavelength Selective Switch (WSS) based on a reconfigurable optical multiplexer architecture, capable to operate over the S+C+L bands and scalable. The densely integrated solution takes advantage of an input stage with grating assisted contra-directional couplers to separate channels in the three considered communication bands, followed by a cascade of two-stage ladder ring resonators, to separating each transmitted channel. A final switching stage routes the signal to the desired output fiber, with a cascade of thermally controlled Mach-Zehnder interferometers. The transmission penalty of the proposed solution has been evaluated in a coherent transmission scenario.

Citation Download Citation

Lorenzo Tunesi, Ihtesham Khan, Muhammad Umar Masood, Enrico Ghillino, Andrea Carena, Vittorio Curri, and Paolo Bardella "Photonic-integrated wavelength selective switch for S+C+L applications", Proc. SPIE 12417, Optical Components and Materials XX, 124170X (14 March 2023); https://doi.org/10.1117/12.2650360

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