Abstract
Frequency multiplexed photon pair generation has been actively studied for efficient and large-scale photonic quantum information processing [1-3]. In these demonstrations, photon pair generators were realized by using an optical parametric oscillator (OPO) far below threshold; a nonlinear optical medium was inside or integrated with an optical cavity, and a sufficiently weak pump light for the photon pair generation was used. However, to the best of our knowledge, all of the previous demonstrations for frequency multiplexed photon pair generation have used a doubly-resonant OPO which confines both the signal and the idler photons, or a triply-resonant OPO which additionally confines the pump light. In this study, we demonstrate a frequency multiplexed photon pair generation based on a singly-resonant (SR) OPO configuration which confines only one half of the photon pair.
© 2019 IEEE
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