Optimization of quantum light sources and four-wave mixing based on a reconfigurable silicon ring resonator

Author:

Wu Chao1,Liu Yingwen1,Wang Yang1,Ding Jiangfang1,Zhu Pingyu1,Xue Shichuan1,Yu Xinyao1,Zheng Qilin1,Yu Miaomiao1,Huang Anqi1,Fu Xiang1,Qiang Xiaogang2,Deng Mingtang1,Wu Junjie1ORCID,Xu Ping13

Affiliation:

1. National University of Defense Technology

2. National Innovation Institute of Defense Technology

3. Nanjing University

Abstract

Being a key component on a photonic chip, the microring usually specializes in a certain nonlinear optical process and can not simultaneously meet different working conditions for different processes. Here, we theoretically and experimentally investigate a reconfigurable silicon microring resonator to act as a optimization strategy for both classical four-wave mixing and quantum light sources. Experimental results show that the four-wave mixing efficiency with continuous wave and pulsed pump can be both optimized to a high value well matching numerical analysis. A variety of quantum light sources – including the heralded single-photon source, two-photon source and multi-photon source – are demonstrated to present a high performance and their key parameters including the pair generation rates (PGR), the heralding efficiency (HE) and the coincidence-to-accidental ratio (CAR) are controllable and optimizable. Such tunable nonlinear converter is immune to fabrication variations and can be popularized to other nonlinear optical materials, providing a simple and compact post-fabrication trimming strategy for on-chip all-optical signal processing and photonic quantum technologies.

Funder

National Natural Science Foundation of China

National Key Research and Development Program of China

Publisher

Optica Publishing Group

Subject

Atomic and Molecular Physics, and Optics

Cited by 4 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Parity-time-symmetry-enabled broadband quantum frequency-comb generation;Physical Review A;2024-08-13

2. Relieving the Limit of Photon-pairs Generation Rate in Microresonators;2023 Asia Communications and Photonics Conference/2023 International Photonics and Optoelectronics Meetings (ACP/POEM);2023-11-04

3. Pushing photon-pair generation rate in microresonators by Q factor manipulation;Optics Letters;2023-10-09

4. Experimental demonstration of quantum transport enhancement using time-reversal symmetry breaking on a silicon photonic chip;Science China Physics, Mechanics & Astronomy;2022-08-17

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