2023
DOI: 10.1002/lpor.202300279
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Non‐Volatile Hybrid Optical Phase Shifter Driven by a Ferroelectric Transistor

Rui Tang,
Kouhei Watanabe,
Masahiro Fujita
et al.

Abstract: Optical phase shifters are essential elements in photonic integrated circuits (PICs) and function as a direct interface to program the PICs. Non‐volatile phase shifters, which can retain information without a power supply, are highly desirable for low‐power static operations. Here a non‐volatile optical phase shifter is demonstrated by driving a III‐V/Si hybrid metal‐oxide‐semiconductor (MOS) phase shifter with a ferroelectric field‐effect transistor (FeFET) operating in the source follower mode. Owing to the … Show more

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