A -0.64dB loss hybrid coupling platform with high stability for SOI single photon source

Jinyi Du; George F. R. Chen; Hongwei Gao; Dawn T. H. Tan; James A. Grieve; Alexander Ling

doi:10.1117/12.2676108

3 October 2023 A -0.64dB loss hybrid coupling platform with high stability for SOI single photon source

Jinyi Du, George F. R. Chen, Hongwei Gao, Dawn T. H. Tan, James A. Grieve, Alexander Ling

Proceedings Volume 12692, Quantum Communications and Quantum Imaging XXI; 1269205 (2023) https://doi.org/10.1117/12.2676108
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States

Abstract

We designed and fabricated a -0.64 dB loss hybrid coupling platform for silicon chips. The coupler is also stable enough to maintain within +-0.1 dB coupling fluctuation against 20 um fiber holder movement. This feature allows a constant photon stream over ten days with no active alignment mechanism. Furthermore, the fiber is engineered with centimeterlong small-core fiber spliced on the tip. This minimizes Raman noise and provides high stability compared with other coupling solutions based on ordinary UHNA fibers or lensed fibers.

Conference Presentation

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Jinyi Du, George F. R. Chen, Hongwei Gao, Dawn T. H. Tan, James A. Grieve, and Alexander Ling "A -0.64dB loss hybrid coupling platform with high stability for SOI single photon source", Proc. SPIE 12692, Quantum Communications and Quantum Imaging XXI, 1269205 (3 October 2023); https://doi.org/10.1117/12.2676108

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