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Temporal Multiplexing Enhancement with a Silicon Waveguide Single Photon Source

Jeremy C. Adcock, Davide Bacco, Yunhong Ding

Today, photonic quantum technology is held back by photon source efficiency. Here, we multiplex 11 temporally distinct silicon waveguide photon sources, enhancing the single-photon probability by a factor of 4.5 ± 0.5.

Conference on Lasers and Electro-OpticsJan 1, 20220 citations

Enhancement of a silicon waveguide single photon source by temporal multiplexing

Jeremy C. Adcock, Davide Bacco, Yunhong Ding

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.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.

arXiv:2207.02647Quantum Science and TechnologyFeb 23, 20229 citations

Temporal Multiplexing of Heralded Photons Based on Thin Film Lithium Niobate Photonics

Çağın Ekici, Yonghe Yu, Jeremy C. Adcock +8 more

Heralded photons from a silicon source are temporally multiplexed utilizing thin film lithium niobate photonics. The time-multiplexed source, operating at a rate of R = 62.2 MHz, enhances single photon probability by 3.25 ± 0.05.

arXiv:2312.05280Jan 1, 20240 citations

Temporal Multiplexing toward Periodic and Deterministic Single-Photon Sources

Fumihiro Kaneda, Bradley Christensen, Jia Jun Wong +3 more

Utilizing time multiplexing of a heralded single-photon source based on spontaneous parametric downconversion pumped by periodic laser pulses, we observed large enhancements in the single-photon probability.

Jan 1, 20151 citation

Silicon-based integrated four-way spatially multiplexed multi-port single-photon source

Baojie Hou, Qishen Liang, Haoran Ma +8 more

Heralded single-photon sources represent a key enabling solution for enhancing the single-photon generation probability. This work introduces an innovative combinatorial distribution multiplexing scheme for the simultaneous creation of multi-port single photons with high probability.

Optical Fiber Communication ConferenceJan 1, 20260 citations

Spatial multiplexing of monolithic Silicon heralded single photon sources

Matthew J. Collins, Chunle Xiong, Trung D. Vo +8 more

Here we present the first experimental demonstration of spatial multiplexing of two integrated heralded single photon sources so as to enhance the heralded photon rate for a given single waveguide output power.

Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)May 1, 20131 citation

Temporal Multiplexing Enhancement with a Silicon Waveguide Single Photon Source

Abstract

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Temporal Multiplexing Enhancement with a Silicon Waveguide Single Photon Source

Abstract

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