An algorithm to sculpt photon dispersion in a subwavelength nanostructure

Feng Zhang, Kito S. Holliday, Paul E. Lammert, Vincent H. Crespi

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Abstract

We introduce a method of gradient-based optimization that continuously deforms a periodic dielectric distribution to generate photonic structures that possess any desired figure of merit expressible in terms of the electromagnetic eigenmodes. As an example, we generate forbidden regions between specified bands at extremely low dielectric contrast.

Original languageEnglish (US)
Article number041115
JournalApplied Physics Letters
Volume94
Issue number4
DOIs
StatePublished - Feb 9 2009

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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