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arXiv:2402.14372 · Physical Review A

Time-domain programmable beam-splitter operations for an optical phase-sensitive non-Gaussian state

Daichi Okuno, Takato O. Yoshida, Ryoko Arita, Takahiro Kashiwazaki, Takeshi Umeki, Shigehito Miki, Fumihiro China, Masahiro Yabuno, Hirotaka Terai, Shuntaro Takeda

Published Aug 5, 2024• 4 citations
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Abstract

We present a loop-based optical processor enabling time-domain programmable beam-splitter (BS) operations for a phase-sensitive non-Gaussian state. The loop itself is of high quality, allowing for storage of a non-Gaussian state for up to seven round trips while preserving its Wigner negativity and phase coherence. We perform various BS operations on a non-Gaussian state and evaluate them as transformations of the state's waveforms. Our work integrates non-Gaussian states with time multiplexing, laying the foundation for large-scale universal quantum information processing.

DOI
10.1103/physreva.110.023706

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