Efficient room-temperature source of polarized single photons

Lukishova, Svetlana G; Boyd, Robert W; Stroud, Carlos R

Efficient room-temperature source of polarized single photons

Patent · Tue Aug 07 04:00:00 EDT 2007

OSTI ID:913579

Lukishova, Svetlana G ^[1]; Boyd, Robert W ^[2]; Stroud, Carlos R ^[2]

Honeoye Falls, NY
Rochester, NY

An efficient technique for producing deterministically polarized single photons uses liquid-crystal hosts of either monomeric or oligomeric/polymeric form to preferentially align the single emitters for maximum excitation efficiency. Deterministic molecular alignment also provides deterministically polarized output photons; using planar-aligned cholesteric liquid crystal hosts as 1-D photonic-band-gap microcavities tunable to the emitter fluorescence band to increase source efficiency, using liquid crystal technology to prevent emitter bleaching. Emitters comprise soluble dyes, inorganic nanocrystals or trivalent rare-earth chelates.

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Research Organization:: University of Rochester (Rochester, NY)

Sponsoring Organization:: U.S. Department of Energy Office of Inertial Confinement Fusion

DOE Contract Number:: FC03-92SF19460

Assignee:: University of Rochester (Rochester, NY)

Patent Number(s):: 7,253,871

Application Number:: 10/753,323

OSTI ID:: 913579

Country of Publication:: United States

Language:: English

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