Calcium fluoride whispering gallery mode microdisk resonator with ultra-high-Q for microwave photonic applications

Mengyu Wang; Yu Yang; Lingjun Meng; Yuan Shen; Lei Zhang; Wenbin Xu; Keyi Wang

doi:10.1117/12.2539768

18 December 2019 Calcium fluoride whispering gallery mode microdisk resonator with ultra-high-Q for microwave photonic applications

Mengyu Wang, Yu Yang, Lingjun Meng, Yuan Shen, Lei Zhang, Wenbin Xu, Keyi Wang

Author Affiliations +

Proceedings Volume 11336, AOPC 2019: Nanophotonics; 1133602 (2019) https://doi.org/10.1117/12.2539768
Event: Applied Optics and Photonics China (AOPC2019), 2019, Beijing, China

Abstract

We investigate a millimeter-size Calcium fluoride (CaF₂) microdisk resonator fabricated by a customized machining procedure. Stable coupling can be realized in our microdisk resonator coupled by a special tapered fiber. The mcirodisktaper coupling system exhibits an ultra-high Q factor up to ~10⁸. In particularly, our coupling system exhibits a freespectral- range low to ~0.03 nm (~3.91 GHz). The frequency is suitable in microwave photonic systems, such as optical filters, optoelectronic oscillators, and optical gyroscopes for several technological applications such as radar, light-wave technology, frequency synthesis, detection inertial navigation system.

Citation Download Citation

Mengyu Wang, Yu Yang, Lingjun Meng, Yuan Shen, Lei Zhang, Wenbin Xu, and Keyi Wang "Calcium fluoride whispering gallery mode microdisk resonator with ultra-high-Q for microwave photonic applications", Proc. SPIE 11336, AOPC 2019: Nanophotonics, 1133602 (18 December 2019); https://doi.org/10.1117/12.2539768

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