Tapered Fabry-Perot waveguide optical demultiplexer

B Pezeshki, FK Tong, JA Kash… - IEEE photonics …, 1993 - ieeexplore.ieee.org
B Pezeshki, FK Tong, JA Kash, DW Kisker, RM Potemski
IEEE photonics technology letters, 1993ieeexplore.ieee.org
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 …
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.< >
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