Of the various approaches to quantum computing, photons are appealing for their low-noise properties and ease of manipulation at the single photon level; while the challenge of entangling interactions between photons can be met via measurement induced non-linearities. However, the real excitement with this architecture is the promise of ultimate manufacturability: All of the components---inc. sources, detectors, filters, switches, delay lines---have been implemented on chip, and increasingly sophisticated integration of these components is being achieved. We will discuss the opportunities and challenges of a fully integrated photonic quantum computer.
Jeremy L. O'Brien, "Photonic quantum computing
(Conference Presentation)," Proc. SPIE 10193, Ultrafast Bandgap Photonics II, 1019310 (Presented at SPIE Defense + Security: April 12, 2017; Published: 7 June 2017); https://doi.org/10.1117/12.2265034.5459357374001.
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