Enhanced stimulated polariton scattering in KTiOPO4 terahertz parametric oscillator based on green laser pumping

Abstract

Enhanced stimulated polariton scattering induced by 532 nm green laser in KTiOPO4 terahertz parametric oscillator was demonstrated in this paper. An expanded terahertz wave tuning range from 5.7 to 6.1 THz, from 7.4 to 7.8 THz, from 11.5 to 11.8 THz and from 13.3 to 13.5 THz was achieved. The maximum terahertz output energy was 1.61 μJ at 7.57 THz… (More)

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