Conference paper
Sub-Angstrom Planar Channel-Dropping Filters
M. Levy, L. Eldada, et al.
IPR 1993
We describe a novel waveguide spectrometer for use in wavelength division multiplexing (WDM) systems. A high refractive index resonator is coupled to a waveguide and extracts light from the waveguide at its resonance frequency. A taper in the thickness of the resonator allows light of different wavelengths to be extracted at different positions. A structure is fabricated for use at 750 nm with a measured dispersion of 29 nm/cm and a wavelength resolution of 1 nm. The device operation is in good agreement with first-order coupled-mode calculations. © 1993 IEEE
M. Levy, L. Eldada, et al.
IPR 1993
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