Work

Integrated photon pairs source based on counter-propagating spontaneous four wave mixing in a silicon nitride microring resonator

Year: 2024

Type: article

Abstract: We report the design of an innovative visible-telecom photon pair source based on counter-propagating spontaneous four wave mixing (CP-SFWM) in a silicon nitride microring resonator. Unlike previous designs, the proposed integrated source achieves automatic phase matching, eliminating the need for dispersion engineering. By employing two lasers at wavelengths of 800 nm and 1550 nm as pumps on opposite ends of the bus waveguides, the resonator generates signal and idler photons at the same wavelengths as the pumps, but propagating in opposite directions. The photon pairs are produced in high-quality factor resonant modes, exhibiting a purity of 1, a brightness of 118.70pairs⋅s−1⋅mW−2, and bandwidths of 157.9 MHz and 79.7 MHz for signal and idler photons, respectively. Our proposal outperforms previous CP-SFWM designs in terms of spectral properties of the photon pairs, emission rate, and scalability, making it an interesting alternative for the implementation of integrated photon pair sources for photonic networks.

Source: Applied Optics

DOI: 10.1364/ao.532359

Authors: G. J. Rodríguez Becerra, J. S. S. Durán Gómez, P. M. C. Tavares Ramírez, R. Ramírez Alarcón, M. Gómez Robles, R. Salas-Montiel

Institutions: Centre National de la Recherche Scientifique, Université de Technologie de Troyes, Centro de Investigaciones en Optica, Light, nanomaterials, nanotechnologies

Language: English

Topic: Photonic and Optical Devices

Subfield: Electrical and Electronic Engineering

Field: Engineering

Domain: Physical Sciences

Open Access status: green

Funders: Agence Nationale de la Recherche, Consejo Nacional de Ciencia y Tecnología, Ministère de l'Enseignement supérieur, de la Recherche et de l'Innovation

Awards: G2006655128, Graduate School in Nano-optics and Nanophotonics, G8029575303, G8797131011