Thermo-optical switching enhanced with second harmonic generation in microring resonators
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Microwave Photonics Systems Based on Whispering-gallery-mode Resonators
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Mojtaba Gandomkar1, Vahid Ahmadi
1Department of Electrical and Computer Engineering, Tarbiat Modares University, Tehran, Iran.
Optics Letters
|October 4, 2011
Abstract:
We investigate the thermo-optic effects on second harmonic generation (SHG) in AlGaAs/AlO(x) microring (MR) waveguides. We show that SHG can be utilized to enhance the thermal sensitivity of MRs. This sensitivity makes this structure appropriate for thermal modulation and switching of optical signals or temperature sensing.
