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

被引：9
|
作者：
Afifi, Abdelrahman E. [1 ]
Hammood, Mustafa [1 ]
Jaeger, Nicolas A. F. [1 ]
Shekhar, Sudip [1 ]
Chrostowski, Lukas [1 ,2 ]
Young, Jeff F. [2 ,3 ]
机构：
[1] Univ British Columbia, Dept Elect & Comp Engn, 2332 Main Mall, Vancouver, BC V6T 1Z4, Canada
[2] Univ British Columbia, Stewart Blusson Quantum Matter Inst, Vancouver, BC V6T 1Z4, Canada
[3] Univ British Columbia, Dept Phys & Astron, 2332 Main Mall, Vancouver, BC V6T 1Z4, Canada
来源：
OPTICS EXPRESS | 2021年 / 29卷 / 16期
基金：
加拿大自然科学与工程研究理事会;
关键词：
ON-INSULATOR; GENERATION; COMPACT;
D O I：
10.1364/OE.431921
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
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. (C) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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页码：25173 / 25188
页数：16
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