Back to Search Start Over

Contra-directional pump reject filters integrated with a micro-ring resonator photon-pair source in silicon

Authors :
Jeff F. Young
Lukas Chrostowski
Sudip Shekhar
Nicolas A. F. Jaeger
Mustafa Hammood
Abdelrahman E. Afifi
Source :
Optics Express. 29:25173
Publication Year :
2021
Publisher :
Optica Publishing Group, 2021.

Abstract

High coincidence-to-accidental ratio (CAR) is crucial for photon-pair sources (PPSs) integrated with pump reject filters (PRFs) in silicon, but CAR values currently reported for integrated PPS/PRF chips still fall short of those achieved using stand-alone sources with external PRFs. Here we report measured and modelled CAR values for a micro-ring resonator PPS integrated with a PRF consisting of a three-stage, cascaded (via their through ports), contra-directional coupler (CDC) that compare favorably even with some stand-alone sources. CDC-based PRFs provide the benefits of compact area and wide reject bands without a need for tuning, in comparison to prior-art implementations.

Details

ISSN :
10944087
Volume :
29
Database :
OpenAIRE
Journal :
Optics Express
Accession number :
edsair.doi.dedup.....76156c1950cde8c726e077d261edefc5
Full Text :
https://doi.org/10.1364/oe.431921