Controlling the Resonance of a Photonic Crystal Microcavity by a Near-Field Probe
Koenderink, A Femius; Kafesaki, Maria; Buchler, Benjamin; Sandoghar, Vahid
Description
We demonstrate theoretically that the resonance frequencies of high-Q microcavities in two-dimensional photonic crystal membranes can be tuned over a wide range by introducing a subwavelength dielectric tip into the cavity mode. Three-dimensional finite-difference time-domain simulations show that by varying the lateral and vertical positions of the tip, it is possible to tune the resonator frequency without lowering the quality factor. Excellent agreement with a perturbative theory is...[Show more]
Collections | ANU Research Publications |
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Date published: | 2005 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/36500 |
Source: | Physical Review Letters |
DOI: | 10.1103/PhysRevLett.95.153904 |
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