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Proposal for postfabrication fine-tuning of three-port photonic crystal channel drop filters by means of optofluidic infiltration |
Applied Optics, Vol. 50, Issue 17, pp. 2622-2627 (2011)
http://dx.doi.org/10.1364/AO.50.002622
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Abstract
We are proposing a procedure to reconfigure a three-port photonic crystal channel drop filter with two point-defect resonant cavities coupled to a bus and a drop W1-type waveguide, by means of selective optofluidic infiltration. Simulations show that, by selective infiltration of cavities and the air holes of the two parallel line defects that are partially surrounding the bus waveguide of the proposed channel drop filter (CDF), besides fine-tuning of the cavities resonant frequencies to the desired values, one can also fine-tune the CDF phase to an optimum condition for achieving optimum drop efficiency for any given resonant frequency. We have used the 2D finite difference time domain and plane wave method to perform the numerical simulations.
© 2011 Optical Society of America
OCIS Codes
(230.1150) Optical devices : All-optical devices
(350.4238) Other areas of optics : Nanophotonics and photonic crystals
(230.5298) Optical devices : Photonic crystals
(230.7408) Optical devices : Wavelength filtering devices
ToC Category:
Optical Devices
History
Original Manuscript: November 24, 2010
Revised Manuscript: February 20, 2011
Manuscript Accepted: April 4, 2011
Published: June 6, 2011
Citation
M. H. Bitarafan, M. K. Moravvej-Farshi, and M. Ebnali-Heidari, "Proposal for postfabrication fine-tuning of three-port photonic crystal channel drop filters by means of optofluidic infiltration," Appl. Opt. 50, 2622-2627 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-17-2622
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