Second harmonic generation in hexagonal SiC

Paul M. Lundquist; Weiping Lin; George K. Wong; Manijeh Razeghi; John B. Ketterson

doi:10.1117/12.206502

10 April 1995 Second harmonic generation in hexagonal SiC

Paul M. Lundquist, Weiping Lin, George K. Wong, Manijeh Razeghi, John B. Ketterson

Proceedings Volume 2379, Solid State Lasers and Nonlinear Crystals; (1995) https://doi.org/10.1117/12.206502
Event: Photonics West '95, 1995, San Jose, CA, United States

Abstract

We report optical second harmonic generation measurements in single crystal (alpha) -SiC of polytype 6H. The sample was found to be optically uniaxial, consistent with the hexagonal symmetry of the crystal structure. The two independent components of the second order electric susceptibility tensor were determined to be d₃₃ equals 43 pm/V and d₃₁ equals -4.3 pm/V. From this data the principle electro-optic coefficient was computed to be r₃₃ equals 100 pm/V. The corresponding figures of merit for nonlinear optical device operation compare favorably with leading materials such as lithium niobate and KTP, and thus the relatively convenient and inexpensive fabrication of 6H SiC thin films could prove useful for integrated optical devices.

Citation Download Citation

Paul M. Lundquist, Weiping Lin, George K. Wong, Manijeh Razeghi, and John B. Ketterson "Second harmonic generation in hexagonal SiC", Proc. SPIE 2379, Solid State Lasers and Nonlinear Crystals, (10 April 1995); https://doi.org/10.1117/12.206502

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