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JQI Seminar (Virtually)

Date
Mon, Jan 25, 2021 11:00 am - 12:00 pm
Location
Online using Zoom Meeting

Description

Title: Quantum Photonics in the Frequency Domain

Speaker: Alexander Gaeta, Columbia University

Abstract: Quantum frequency conversion is the process by which the wavelength of a light field is converted to another wavelength while still fully maintaining its quantum state.  We describe our recent research that utilizes the nonlinear optical process of four-wave mixing to perform ultralow noise quantum frequency conversion with efficiencies approaching 100%.  We also show how this nonlinear process can be used to realize other novel quantum phenomena in the frequency domain including Hong-Ou-Mandel interference, near-deterministic single-photon generation, single-photon Ramsey interference, and temporal magnification of single-photon pulses.

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