Chen, Tong and Lee, Hansuek and Vahala, Kerry J. (2014) Design and characterization of whispering-gallery spiral waveguides. Optics Express, 22 (5). pp. 5196-5208. ISSN 1094-4087. doi:10.1364/OE.22.005196. https://resolver.caltech.edu/CaltechAUTHORS:20140516-085207702
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Abstract
Whispering gallery delay lines have demonstrated record propagation length on a silicon chip and can provide a way to transfer certain applications of optical fiber to wafer-based systems. Their design and fabrication requires careful control of waveguide curvature and etching conditions to minimize connection losses between elements of the delay line. Moreover, loss characterization based on optical backscatter requires normalization to account for the impact of curvature on backscatter rate. In this paper we provide details on design of Archimedean whispering-gallery spiral waveguides, their coupling into cascaded structures, as well as optical loss characterization by optical backscatter reflectometry.
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| Additional Information: | © 2014 Optical Society of America. Received 5 Nov 2013; revised 27 Jan 2014; accepted 10 Feb 2014; published 27 Feb 2014. We gratefully acknowledge the Defense Advanced Research Projects Agency under the iPhoD program, the Institute for Quantum Information and Matter, an NSF Physics Frontiers Center with support of the Gordon and Betty Moore Foundation, and also the Kavli Nanoscience Institute at Caltech. H. L. thanks the Center for the Physics of Information. | ||||||||||||
| Group: | Institute for Quantum Information and Matter, Kavli Nanoscience Institute | ||||||||||||
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| Issue or Number: | 5 | ||||||||||||
| Classification Code: | OCIS codes: (230.7390) Waveguides, planar; (220.0220) Optical design and fabrication | ||||||||||||
| DOI: | 10.1364/OE.22.005196 | ||||||||||||
| Record Number: | CaltechAUTHORS:20140516-085207702 | ||||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20140516-085207702 | ||||||||||||
| Official Citation: | T. Chen, H. Lee, and K. Vahala, "Design and characterization of whispering-gallery spiral waveguides," Opt. Express 22, 5196-5208 (2014) | ||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||
| ID Code: | 45787 | ||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||
| Deposited By: | Tony Diaz | ||||||||||||
| Deposited On: | 16 May 2014 19:51 | ||||||||||||
| Last Modified: | 13 Apr 2022 17:05 |
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