Progress in orientation-patterned GaAs for next-generation nonlinear optical devices

Rita D. Peterson; David Bliss; Candace Lynch; David H. Tomich

doi:10.1117/12.766581

13 February 2008 Progress in orientation-patterned GaAs for next-generation nonlinear optical devices

Rita D. Peterson, David Bliss, Candace Lynch, David H. Tomich

Proceedings Volume 6875, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VII; 68750D (2008) https://doi.org/10.1117/12.766581
Event: Lasers and Applications in Science and Engineering, 2008, San Jose, California, United States

Abstract

Orientation-patterned GaAs (OPGaAs) shows great promise as a nonlinear optical material for frequency conversion in the 2-5 μm and 8-12 μm regions. We report recent progress in each of the three main areas of OPGaAs development: fabrication of patterned templates using a combination of wafer bonding and MBE techniques; thick-layer HVPE growth; and material and OPO device characterization. This work has led to significant improvements in material quality, specifically reduced optical loss, increased sample thickness, improved patterned domain fidelity, and greater material uniformity. Advances in material quality have in turn enabled demonstration of OPO devices operating in the 3-5 μm spectral region. Optical loss and OPO performance measurements on a series of OPGaAs samples are presented, with the goal of understanding how these properties are influenced by growth conditions, and how OPO performance may be improved. Research continues on understanding loss mechanisms, correlating performance with material properties, transitioning the technology into an industrial process, and extending it to additional materials.

Citation Download Citation

Rita D. Peterson, David Bliss, Candace Lynch, and David H. Tomich "Progress in orientation-patterned GaAs for next-generation nonlinear optical devices", Proc. SPIE 6875, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VII, 68750D (13 February 2008); https://doi.org/10.1117/12.766581

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