Synchronous micromechanically resonant programmable photonic circuits

Author:

Dong MarkORCID,Boyle Julia M.,Palm Kevin J.ORCID,Zimmermann MatthewORCID,Witte AlexORCID,Leenheer Andrew J.ORCID,Dominguez Daniel,Gilbert GeraldORCID,Eichenfield MattORCID,Englund DirkORCID

Abstract

AbstractProgrammable photonic integrated circuits (PICs) are emerging as powerful tools for control of light, with applications in quantum information processing, optical range finding, and artificial intelligence. Low-power implementations of these PICs involve micromechanical structures driven capacitively or piezoelectrically but are often limited in modulation bandwidth by mechanical resonances and high operating voltages. Here we introduce a synchronous, micromechanically resonant design architecture for programmable PICs and a proof-of-principle 1×8 photonic switch using piezoelectric optical phase shifters. Our design purposefully exploits high-frequency mechanical resonances and optically broadband components for larger modulation responses on the order of the mechanical quality factor Qm while maintaining fast switching speeds. We experimentally show switching cycles of all 8 channels spaced by approximately 11 ns and operating at 4.6 dB average modulation enhancement. Future advances in micromechanical devices with high Qm, which can exceed 10000, should enable an improved series of low-voltage and high-speed programmable PICs.

Funder

U.S. Department of Energy

National Science Foundation

DOE | Office of Science

The MITRE Corporation Quantum Moonshot project

Publisher

Springer Science and Business Media LLC

Subject

General Physics and Astronomy,General Biochemistry, Genetics and Molecular Biology,General Chemistry,Multidisciplinary

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