Observations of Dispersion Cancellation of Entangled Photon Pairs

Abstract

An experimental study of the dispersion cancellation occurring in frequency-entangled photon pairs is presented. The approach uses time-resolved up conversion of the pairs, which has temporal resolution at the fs level, and group-delay dispersion sensitivity of $\approx 20{\mathrm{fs}}^2$ under experimental conditions. The cancellation is demonstrated with dispersion stronger than $\pm 10^3{\mathrm{fs}}^2$ in the signal $(-)$ and idler $(+)$ modes. The observations represent the generation, compression, and characterization of ultrashort biphotons with correlation width as small as 6.8 times the degenerate optical period.

5 pages, 3 figures

References in corpus (3)

• Nonlinear interactions with an ultrahigh flux of broadband entangled photons
• Quantum-inspired interferometry with chirped laser pulses
• Chirped Biphotons and Their Compression in Optical Fibres

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