Demonstration of telecom-band 2D photonic crystal cavities in a single crystal diamond membrane

Kazuhiro Kuruma; Afaq H. Piracha; Dylan Renaud; Cleaven Chia; Neil Sinclair; Athavan Nadarajah; Alastair Stacey; Steven Prawer; Marko Loncar

doi:10.1117/12.2648100

17 March 2023 Demonstration of telecom-band 2D photonic crystal cavities in a single crystal diamond membrane

Kazuhiro Kuruma, Afaq H. Piracha, Dylan Renaud, Cleaven Chia, Neil Sinclair, Athavan Nadarajah, Alastair Stacey, Steven Prawer, Marko Loncar

Author Affiliations +

Proceedings Volume PC12431, Photonic and Phononic Properties of Engineered Nanostructures XIII; PC124310Z (2023) https://doi.org/10.1117/12.2648100
Event: SPIE OPTO, 2023, San Francisco, California, United States

Abstract

We demonstrate 2D diamond photonic crystal cavities operating at telecommunication wavelengths in a single crystal diamond membrane. Fully suspended 2D PhC cavities with a theoretical high Q factor of ~ 8×106 and relatively small V of ~2 (λ/n)3 are fabricated in a thin diamond membrane, which is supported by a polycrystalline diamond frame. We observe cavity resonances in the telecommunication O- and S-bands (1360-1470nm), measuring Q factors up to ~1800. Our results pave the way for developing diamond photonic devices at telecommunication wavelengths.

Conference Presentation

Citation Download Citation

Kazuhiro Kuruma, Afaq H. Piracha, Dylan Renaud, Cleaven Chia, Neil Sinclair, Athavan Nadarajah, Alastair Stacey, Steven Prawer, and Marko Loncar "Demonstration of telecom-band 2D photonic crystal cavities in a single crystal diamond membrane", Proc. SPIE PC12431, Photonic and Phononic Properties of Engineered Nanostructures XIII, PC124310Z (17 March 2023); https://doi.org/10.1117/12.2648100

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