Abstract

Quantum technologies that harness the properties of superposition and entanglement promise to revolutionise many fields, from information processing to metrology. Silicon-integrated quantum photonics operating in the telecom band suffers from deleterious two-photon absorption (TPA) [1,2]. Cross-TPA reduces the brightness and ultimately the heralding efficiency [3] of spontaneous four-wave mixing (SFWM) photon-pair sources, where single photons necessarily co-propagate with a bright pump. Nonlinear losses can be mitigated by pumping and generating photons with energies close to and beyond silicon's two-photon band edge [4,5]. We report the first quantum-correlated photon pairs in the 2.1 µm short-wave infrared (SWIR) band, produced on-chip from a silicon waveguide spiral.

Original languageEnglish
Title of host publicationEuropean Quantum Electronics Conference, EQEC_2019
PublisherOptical Society of America (OSA)
ISBN (Electronic)9781557528209
Publication statusPublished - 17 Oct 2019
EventEuropean Quantum Electronics Conference, EQEC_2019 - Munich, United Kingdom
Duration: 23 Jun 201927 Jun 2019

Publication series

NameOptics InfoBase Conference Papers
VolumePart F143-EQEC 2019

Conference

ConferenceEuropean Quantum Electronics Conference, EQEC_2019
Country/TerritoryUnited Kingdom
CityMunich
Period23/06/1927/06/19

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