Narrowband grating resonator filters in InGaAsP/InP waveguides

Alferness, R. C.; Joyner, C. H.; Divino, M. D.; Martyak, M. J. R.; Buhl, L. L.
July 1986
Applied Physics Letters;7/21/1986, Vol. 49 Issue 3, p125
Academic Journal
We report the first demonstration of efficient narrowband optical wavelength filters using InGaAsP/InP passive waveguide grating resonators. Filter bandwidths as narrow as 1 Å, centered about λ=1.55 μm with excess resonator loss as low as 1 dB, have been achieved.


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