Enhancement of a silicon waveguide single photon source by temporal multiplexing

Jeremy C. Adcock, Davide Bacco, Yunhong Ding

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Abstract

Efficient generation of single photons is one of the key challenges of building photonic quantum technology, such as quantum computers and long-distance quantum networks. Photon source multiplexing - where successful pair generation is heralded by the detection of one of the photons, and its partner is routed to a single mode output - has long been known to offer a concrete solution, with output probability tending toward unity as loss is reduced. Here, we present a temporally multiplexed integrated single photon source based on a silicon waveguide and a low-loss fibre switch and loop architecture, which achieves enhancement of the single photon output probability of 4.5 ± 0.5, while retaining g (2)(0) = 0.01.
Original languageEnglish
Article number025025
JournalQuantum Science and Technology
Volume7
Issue number2
Number of pages6
DOIs
Publication statusPublished - 2022

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