Tuneable silicon carbide photonics using phase change materials

Samarth Aggarwal; Yuhan He; Iman Esmaeil Zadeh; Harish Bhaskaran

doi:10.1117/12.2626454

5 March 2022 Tuneable silicon carbide photonics using phase change materials

Samarth Aggarwal, Yuhan He, Iman Esmaeil Zadeh, Harish Bhaskaran

Proceedings Volume PC12010, Photonic and Phononic Properties of Engineered Nanostructures XII; PC120100C (2022) https://doi.org/10.1117/12.2626454
Event: SPIE OPTO, 2022, San Francisco, California, United States

Abstract

Recently there has been a growing interest in SiC on oxide integrated photonics platform, due to excellent linear and strong non-linear properties. Due to excellent thermal and mechanical properties, SiC devices are suitable for operations in harsh environments. In this work, we demonstrate the integration of two PCMs Ge2Sb2Te5 (GST) and Ag3In4Sb76Te17 (AIST) on a CMOS compatible amorphous SiC waveguide, grown using low-temperature CVD on oxide. We demonstrate a photonic memory, which can be programmed and accessed optically and we achieve multiple memory levels reliably on these devices. Furthermore, using time-resolved dynamic switching experiments we study the thermo-optical effects and switching speeds.

Conference Presentation

Citation Download Citation

Samarth Aggarwal, Yuhan He, Iman Esmaeil Zadeh, and Harish Bhaskaran "Tuneable silicon carbide photonics using phase change materials", Proc. SPIE PC12010, Photonic and Phononic Properties of Engineered Nanostructures XII, PC120100C (5 March 2022); https://doi.org/10.1117/12.2626454

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