Coherent microwave-to-optical conversion by three-wave mixing in a room temperature atomic system | Zendy

K. V. Adwaith | Zendy; Asha Karigowda | Zendy; Charudatta Manwatkar | Zendy; Fabien Bretenaker | Zendy; Andal Narayanan | Zendy

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Coherent microwave-to-optical conversion by three-wave mixing in a room temperature atomic system

Author(s) -

K. V. Adwaith,

Asha Karigowda,

Charudatta Manwatkar,

Fabien Bretenaker,

Andal Narayanan

Publication year - 2018

Publication title -

optics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.524

H-Index - 272

eISSN - 1071-2763

pISSN - 0146-9592

DOI - 10.1364/ol.44.000033

Subject(s) - quantum decoherence , physics , atomic coherence , microwave , coherence (philosophical gambling strategy) , four wave mixing , excited state , photon , optics , quantum optics , nonlinear optics , mixing (physics) , atomic physics , quantum , quantum mechanics , laser

We experimentally observe coherent generation of a near-infrared optical field through a three-wave mixing phenomenon in an atomic energy level scheme of Rb85 atoms. This nonlinear generation process in a centro-symmetric thermally broadened atomic system is made possible through a novel interaction between induced electric and magnetic dipoles. The two-photon and three-photon coherence present in our scheme eliminates excited state decoherence. Thus, our scheme represents a minimal optical decoherence scheme which could be used to transfer quantum states between microwave-to-optical frequency regimes with near-unit fidelity.

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