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Proceedings Paper

Integrated high-Q reflective cavities
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Paper Abstract

We report on the demonstration of several integrated slab-waveguide-based concentric Fabry- Perot resonators employing holographic Bragg reflectors as curved 2D cavity mirrors. The cavities, fabricated in a low-loss silica-on-silicon slab waveguide using high-fidelity deep ultra violet photolithographic fabrication, exhibit Q-factors approaching up to 106 which are competitive with silicabased ring resonators. The Q-values achieved indicate very high slab waveguide homogeneity providing wavefront stability and extremely low loss from the volume-holographic lithographically scribed mirrors. Compared to silica-based ring resonators, the folded Fabry-Perot resonator design allows access to a substantially larger free spectral range by cavity shortening. Pathways to the implementation of highreflectivity and low loss distributed reflectors promise new directions in photonic integration with applications in sensing, filtering, and signal transport.

Paper Details

Date Published: 24 February 2006
PDF: 6 pages
Proc. SPIE 6123, Integrated Optics: Devices, Materials, and Technologies X, 612315 (24 February 2006); doi: 10.1117/12.647604
Show Author Affiliations
T. W. Mossberg, LightSmyth Technologies, Inc. (United States)
C. Greiner, LightSmyth Technologies, Inc. (United States)
D. Iazikov, LightSmyth Technologies, Inc. (United States)


Published in SPIE Proceedings Vol. 6123:
Integrated Optics: Devices, Materials, and Technologies X
Yakov Sidorin; Christoph A. Waechter, Editor(s)

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