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3 October 2022 Quasi-continuously tunable non-volatile photonic switches
Rui Chen, Zhuoran Fang, Jiajiu Zheng, Arka Majumdar
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Proceedings Volume 12196, Active Photonic Platforms 2022; 1219607 (2022) https://doi.org/10.1117/12.2633115
Event: SPIE Nanoscience + Engineering, 2022, San Diego, California, United States
Abstract
Phase-change materials (PCMs) integrated photonics are generating new paradigms, thanks to their zero static energy consumption, capability of switching reversibly, and drastic optical property contrast. However, electrically switching PCMs is inherently stochastic, hindering reliable multi-level or quasi-continuous operations. Here we propose that reliable quasi-continuous operation can be achieved in GST optical switches, where several GST patches are controlled in a binary fashion by interleaved PIN-diode doped silicon microheaters. We further experimentally demonstrate that the idea works in a tunable attenuator.
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Rui Chen, Zhuoran Fang, Jiajiu Zheng, and Arka Majumdar "Quasi-continuously tunable non-volatile photonic switches", Proc. SPIE 12196, Active Photonic Platforms 2022, 1219607 (3 October 2022); https://doi.org/10.1117/12.2633115
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KEYWORDS
Beam splitters
Silicon
Photonic integrated circuits
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