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Published March 15, 2004 | Published
Journal Article Open

Replica-molded high-Q polymer microresonators


Ultrahigh-Q microtoroids on a chip are applied as replication masters to demonstrate replica-molded high-Q microresonator arrays. Replica Q factors are nearly material loss limited, affirming the integrity of the replication process, and are as high as 5×10 6, or nearly a factor of 40 greater than previous polymer-based devices. Because the molding process is nondestructive, both the master and the molds can be reused. Additionally, by using a novel optical polymer (Vicast), we demonstrate storage of high-Q microresonators in the mold for weeks, providing a method to preserve the whispering-gallery Q factor.

Additional Information

© 2004 Optical Society of America. Received October 2, 2003. This work was supported by the Defense Advanced Research Projects Agency and the Caltech Lee Center. The authors thank Luis Artiz at Xponent Photonics, Inc., for performing the Metricon loss measurements cited in this work and Stevens Martin at AOC for donating the Vicast polymer resin used in this work. Note added in proof: The authors would also like to call the readers' attention to work on micromolding of resonators by Yariv and co-workers [22].

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