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Design and characterization of whispering-gallery spiral waveguides

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.

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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.

Item Type:Article
Related URLs:
URLURL TypeDescription DOIArticle
Lee, Hansuek0000-0002-0748-7662
Vahala, Kerry J.0000-0003-1783-1380
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
Funding AgencyGrant Number
Defense Advanced Research Projects Agency (DARPA) iPhod ProgramUNSPECIFIED
Institute for Quantum Information and Matter (IQIM)UNSPECIFIED
NSF Physics Frontiers CenterUNSPECIFIED
Gordon and Betty Moore FoundationUNSPECIFIED
Caltech Kavli Nanoscience Institute (KNI)UNSPECIFIED
Issue or Number:5
Classification Code:OCIS codes: (230.7390) Waveguides, planar; (220.0220) Optical design and fabrication
Record Number:CaltechAUTHORS:20140516-085207702
Persistent URL:
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
Deposited By: Tony Diaz
Deposited On:16 May 2014 19:51
Last Modified:13 Apr 2022 17:05

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