High efficiency SHG in heterogenous integrated GaAs ring resonators

L. Chang, A. Boes, P. Pintus, J. D. Peters, MJ. Kennedy, X. Guo, N. Volet, S. Yu, S. A. Diddams, S. B. Papp, and J. E. Bowers
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schematic structure of ring resonator with pulley coupler
Publication Date
Publication Type
Journal/Conference Name
IEEE Photonics Conference 2018
Reston, Virginia

We demonstrate the first integrated gallium arsenide (GaAs) ring resonators for second-harmonic generation (SHG). The GaAs-on-insulator platform offers high quality factors exceeding 2 × 105. We demonstrate 4% absolute internal SHG efficiency with a 61-μW pump coupled to the resonator

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Research Areas
Silicon Photonics