CQuIC Seminar: Quantum photon conversion with integrated nonlinear photonics

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CQuIC Seminars Series, Department of Physics & Astronomy, UNM
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Title: Quantum photon conversion with integrated nonlinear photonics
Presenter: Linran Fan, University of Arizona
When: Thursday, September 19, 2019, 3:30 pm
Where: Room 190, Physics & Astronomy
Directions: http://panda.unm.edu/findpanda/

Abstract: The ability to manipulate photons is of critical importance for both fundamental quantum optics studies and practical quantum communication applications. While integrated photonic circuits provide the unprecedented power to realize complex photon control with minimized structures, most materials used in integrated photonic circuits lack the preferred second-order optical nonlinearity, which limits photon control functionalities. On the other hand, the wurtzite crystal structure gives rise to the strong second-order optical nonlinearity and piezoelectric effect in aluminum nitride. Together with its low optical and mechanical losses, integrated aluminum nitride photonics can provide new aspects and enable novel methods for quantum photon control.
In this talk, I will present our effort in developing quantum photon control technology based on nonlinear nanophotonics. First, piezo-optomechanical systems will be discussed, with which cascaded optical transparency, adiabatic single photon frequency shifting, and time lens are demonstrated. Then, I will introduce superconducting cavity electro-optics, and the coherent photon conversion between microwave and optical frequencies will be exhibited.

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