Abstract
We present a simple and effective method for the postfabrication trimming of optical microresonators. We photobleach CLD-1 chromophores to tune the resonance wavelengths of polymer microring resonator optical notch filters. A maximum wavelength shift of is observed. The resonators are fabricated with a soft-lithography molding technique and have an intrinsic value of and a finesse of 9.3. The maximum extinction ratio of the resonator filters is , indicating that the critical coupling condition has been satisfied.
© 2004 Optical Society of America
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