4.5 Article

Higher order filter response in coupled microring resonators

Journal

IEEE PHOTONICS TECHNOLOGY LETTERS
Volume 12, Issue 3, Pages 320-322

Publisher

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/68.826927

Keywords

bandpass filters; microresonators; optical waveguide filters; wavelength-division multiplexing (WDM)

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Second- and third-order filter response is experimentally shown in filters constructed using mutually coupled microring resonators. The higher order filters have passbands with sharper rolloff and flatter tops, and greater out-of-band rejection than previously demonstrated microring filters, which were first order The effect of varying interresonator coupling on filter passband shape was studied.

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