Third-order optical autocorrelator for time-domain operation at telecommunication wavelengths

Ramos-Ortiz, G.; Cha, M.; Thayumanavan, S.; Mendez, J. C.; Marder, S. R.; Kippelen, B.
July 2004
Applied Physics Letters;7/12/2004, Vol. 85 Issue 2, p179
Academic Journal
We report on amorphous organic thin films that exhibit efficient third-harmonic generation at telecommunication wavelengths. At 1550 nm, micrometer-thick samples generate up to 17 μW of green light with input power of 250 mW delivered by an optical parametric oscillator. This high conversion efficiency is achieved without phase matching or cascading of quadratic nonlinear effects. With these films, we demonstrate a low-cost, sensitive third-order autocorrelator that can be used in the time-frequency domain.


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