Microwave measurements of stub tuners in two-dimensional photonic crystal waveguides
- 13 March 2002
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 65 (12) , 125209
- https://doi.org/10.1103/physrevb.65.125209
Abstract
The transmission spectra of photonic crystal stub-tuned waveguides created in the microwave region are measured. The photonic crystal is a two-dimensional square lattice of dielectric rods. The waveguides are formed by removing rods along a line or by creating a line of coupled cavities. Additional stub-tuning cavities are formed by removing rods or by replacing them with different diameter rods to stub tune the transmission properties of the waveguides. Depending on the cavity geometry, certain wavelengths can be reflected from the stub tuner creating a notch in the waveguide transmission with measured quality factors as high as 488.Keywords
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