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Laterally coupled InP-based single-mode microracetrack notch filter
Journal article

Laterally coupled InP-based single-mode microracetrack notch filter

R. Grover, T.A. Ibrahim, T.N. Ding, Y. Leng, L.-C. Kuo, S. Kanakaraju, K. Amarnath, L.C. Calhoun and P.-T. Ho
IEEE photonics technology letters, Vol.15(8), pp.1082-1084
01/08/2003

Abstract

Lithography Microcavities Optical coupling Optical devices Optical filters Optical refraction Optical resonators Optical variables control Optical waveguides Resonator filters
We demonstrate an InP-based microracetrack notch filter with >25-dB extinction and 19-nm free-spectral range at 1550 nm. The curved section of the resonator has a radius of 2.25 μm. To our knowledge, this represents the best extinction and the smallest radius of curvature for such a device to date.

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