Two-color narrowband photon pair source with high brightness based on clustering in a monolithic waveguide resonator

2013/06/07 by Kai-Hong Luo, Luo, Kai-Hong, Harald Herrmann +15
Engineering · Physics and Astronomy · #81V80 Quantum optics #FOS: Physical sciences #Optical and Acousto-Optic Technologies #Optics (physics.optics) #Photonic and Optical Devices #Photorefractive and Nonlinear Optics #Quantum Physics (quant-ph) #msc:81V80 #physics.optics #quant-ph

paper · pdf · doi:10.48550/arxiv.1306.1756

5 pages, 6 figures

arxiv created 2013/06/07 · openalex publication_date 2013/06/07 · arxiv updated 2013/06/10 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

We report on an integrated non-degenerate narrowband photon pair source produced at 890 nm and 1320nm via type II parametric down-conversion in a periodically poled waveguide with high-reflective dielectric mirrors deposited on the waveguide end faces. The conversion spectrum consists of three clusters and only 3 to 4 longitudinal modes with about 150 MHz bandwidth in each cluster. The high conversion efficiency in the waveguide, together with the spectral clustering in the double resonator, leads to a high brightness of 3×10³~pairs/(s⋅mW⋅MHz). The compact and rugged monolithic design makes the source a versatile device for various applications in quantum communication.

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