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17 March 2023 Photonic quantum computing
Olivier Pfister
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Proceedings Volume PC12430, Quantum Sensing and Nano Electronics and Photonics XIX; PC124300S (2023) https://doi.org/10.1117/12.2648330
Event: SPIE OPTO, 2023, San Francisco, California, United States
Abstract
In the race to demonstrate a scalable and fault tolerant quantum computing (QC) platform, quantum photonics stands poised to have a major impact. In particular, by encoding quantum information over fields rather than photons (continuous-variable—CV, rather than discrete-variable—DV, quantum information), record-size quantum processors were demonstrated in spectral and in temporal quantum field combs. These demonstrations used the measurement-based QC paradigm, which is based on cluster entangled states. In this talk, I will outline two of our recent results: proposals for generating hypercubic cluster states by phase modulation of the quantum optical frequency comb and for generating fault-tolerant hybrid CV-DV encodings called Gottesman-Kitaev-Preskill states. The latter leverages CV cluster states along with our experimental ability to perform photon-number-resolving measurements up to 100 photons.
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Olivier Pfister "Photonic quantum computing", Proc. SPIE PC12430, Quantum Sensing and Nano Electronics and Photonics XIX, PC124300S (17 March 2023); https://doi.org/10.1117/12.2648330
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KEYWORDS
Photonic quantum computing
Quantum information
Computer programming
Photons
Quantum computing
Quantum optics
Phase modulation
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