Autocorrective interferometers for photonic integrated circuits

Matteo Cherchi

doi:10.1117/12.2609718

5 March 2022 Autocorrective interferometers for photonic integrated circuits

Matteo Cherchi

Proceedings Volume 12005, Smart Photonic and Optoelectronic Integrated Circuits 2022; 1200507 (2022) https://doi.org/10.1117/12.2609718
Event: SPIE OPTO, 2022, San Francisco, California, United States

Abstract

Extensive literature has shown that finite impulse response (FIR) interferometers can be engineered to be insensitive under variations of different physical parameters, e.g., to ensure flat-top response and/or tolerance to fabrication errors. In this context, I will show how the Bloch sphere representation can be a very powerful design tool providing superior physical insight into the working principle of autocorrective devices like broadband 50:50 splitters or flat-top interleavers, that can be therefore designed through simple analytical formulas. I will eventually review the recent progress in practical implementation of the autocorrective designs in the micron-scale silicon photonics platform of VTT.

Conference Presentation

Citation Download Citation

Matteo Cherchi "Autocorrective interferometers for photonic integrated circuits", Proc. SPIE 12005, Smart Photonic and Optoelectronic Integrated Circuits 2022, 1200507 (5 March 2022); https://doi.org/10.1117/12.2609718

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