Fine-structure absorption spectroscopy of singly-ionized 77Se deep-donors in silicon for chip-scale spin-photon interfaces

• DOI: 10.1364/cleo_at.2022.jtu3b.38
• Publication Date: 2022-09-13T17:01:45Z
• Authors: Murat Can Sarihan; Michael Coumans; Jiahui Huang; Wei Liu; Ke Tang; Hong-Wen Jiang; Joshua M. Pomeroy; Louis-Serge Bouchard; Chee Wei Wong
• Keywords: 0301 basic medicine; 03 medical and health sciences; 7. Clean energy

We examine and identify mid-infrared transitions of 77Se+ deep-donors in silicon via absorption spectroscopy. The optically-accessible Se nuclear spins, with potentially long coherence, can serve as on-chip spin-photon interfaces for quantum communications and repeater architectures.