Design of an efficient terahertz source using triply resonant nonlinear photonic crystal cavities

Ian B. Burgess, Yinan Zhang, Murray W. McCutcheon, Alejandro W. Rodriguez, Jorge Bravo-Abad, Steven G. Johnson, Marko Lončar

Research output: Contribution to journalArticle

34 Scopus citations

Abstract

We propose a scheme for efficient cavity-enhanced nonlinear THz generation via difference-frequency generation (DFG) processes using a triply resonant system based on photonic crystal cavities. We show that high nonlinear overlap can be achieved by coupling a THz cavity to a doubly-resonant, dual-polarization near-infrared (e.g. telecom band) photonic-crystal nanobeam cavity, allowing the mixing of three mutually orthogonal fundamental cavity modes through a χ(2) nonlinearity. We demonstrate through coupled-mode theory that complete depletion of the pump frequency - i.e., quantum-limited conversion - is possible. We show that the output power at the point of optimal total conversion efficiency is adjustable by varying the mode quality (Q) factors.

Original languageEnglish (US)
Pages (from-to)20099-20108
Number of pages10
JournalOptics Express
Volume17
Issue number22
DOIs
StatePublished - Jan 1 2009
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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    Burgess, I. B., Zhang, Y., McCutcheon, M. W., Rodriguez, A. W., Bravo-Abad, J., Johnson, S. G., & Lončar, M. (2009). Design of an efficient terahertz source using triply resonant nonlinear photonic crystal cavities. Optics Express, 17(22), 20099-20108. https://doi.org/10.1364/OE.17.020099