Fabrication of two-dimensional photonic crystals using interference lithography and electrodeposition of CdSe

Divliansky, Ivan B.; Shishido, Atsushi; Khoo, Iam-Choon; Mayer, Theresa S.; Pena, David; Nishimura, Suzushi; Keating, Christine D.; Mallouk, Thomas E.
November 2001
Applied Physics Letters;11/19/2001, Vol. 79 Issue 21, p3392
Academic Journal
This letter describes a simple synthetic approach to fabricate two-dimensional midinfrared CdSe photonic crystals (PC) by electrodeposition of CdSe in a polymer template defined using interference lithography. Characterization of the transmission spectra of CdSe PCs with a hexagonal array of 1.3 μm diameter and 2.7 μm pitch air voids showed a well-defined drop in transmission at 4.23 μm. The drop in transmission increased with incident angle, reaching a maximum of approximately 2.6 dB at 40° relative to the surface normal. This two-step synthetic approach can be used to incorporate photonic crystals onto arbitrary substrates for integration into future advanced optical circuits. © 2001 American Institute of Physics.


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