Laterally coupled InP-based single-mode microracetrack notch filter

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 dat...

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Bibliographic Details
Published in:IEEE photonics technology letters 2003-08, Vol.15 (8), p.1082-1084
Main Authors: Grover, R., Ibrahim, T.A., Ding, T.N., Leng, Y., Kuo, L.-C., Kanakaraju, S., Amarnath, K., Calhoun, L.C., Ho, P.-T.
Format: Article
Language:English
Subjects:
Curved
Devices
Extinction
Lithography
Microcavities
Notch filters
Optical coupling
Optical devices
Optical filters
Optical refraction
Optical resonators
Optical variables control
Optical waveguides
Photonics
Radius of curvature
Resonator filters
Resonators
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Description
Summary: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.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2003.815335