Quantum Physics
[Submitted on 10 Dec 2018
]
Title: Compressed sensing of twisted photons
Title: 扭曲光子的压缩感知
Abstract: The ability to completely characterize the state of a quantum system is an essential element for the emerging quantum technologies. Here, we present a compressed-sensing inspired method to ascertain any rank-deficient qudit state, which we experimentally encode in photonic orbital angular momentum. We efficiently reconstruct these qudit states from a few scans with an intensified CCD camera. Since it requires only a few intensity measurements, our technique would provide an easy and accurate way to identify quantum sources, channels, and systems.
Submission history
From: Luis L. Sanchez. Soto [view email][v1] Mon, 10 Dec 2018 22:10:38 UTC (6,119 KB)
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