Stimulated polariton scattering in an intracavity RbTiOPO_4 crystal generating frequency-tunable THz output | Zendy

Tiago A. Ortega | Zendy; Helen M. Pask | Zendy; David J. Spence | Zendy; Andrew Lee | Zendy

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Stimulated polariton scattering in an intracavity RbTiOPO_4 crystal generating frequency-tunable THz output

Author(s) -

Tiago A. Ortega,

Helen M. Pask,

David J. Spence,

Andrew Lee

Publication year - 2016

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.24.010254

Subject(s) - terahertz radiation , optics , polariton , materials science , laser , optoelectronics , scattering , physics

A high power, frequency-tunable THz source based on intracavity stimulated polariton scattering (SPS) in RbTiOPO 4 (RTP) is demonstrated for the first time. Frequency tunable THz output was obtained from 3.10 to 4.15 THz, with a gap at 3.17 to 3.49 THz, arising from the 104 cm -1 A 1 mode in RTP. A maximum average output power of 16.2 µW was detected at 3.8 THz. This is the highest average output power ever reported for an intracavity polariton laser.

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