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Generating correlated photons is an essential technology for photonic quantum information experiments. Increasing the generation efficiency of photon pairs via the enhancement of material nonlinearity is important for various applications including a near-on-demand single photon source based on multiplexed photon pair sources [1]. In this regard, photonic crystal nanocavities are attractive nonlinear...
The on-chip integration of all-optical switches and random-access memories based on a photonic crystal (PhC) nanocavity having a carrier-induced optical nonlinearity are presented. 25-channel all-optical gate switching and the wavelength-division multiplexing operation by silicon PhC nanocavity arrays were demonstrated with a femto-joule energy level. For the all-optical memory, an InP-based PhC nanocavity...
We report an on-chip single photon buffer experiment using a coupled-resonator optical waveguide. A pulsed photon from a correlated photon pair source was successfully delayed by 160 ps while maintaining non-classical intensity correlation.
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