Topology optimization of multi-track ring resonators and 2D microcavities for nonlinear frequency conversion

Zin Lin, Marko Lončar, Alejandro W. Rodriguez

Research output: Contribution to journalArticle

14 Scopus citations

Abstract

We exploit recently developed topology-optimization techniques to design complex, wavelength-scale resonators for enhancing various nonlinear χ2 and χ3 frequency conversion processes. In particular, we demonstrate aperiodic, multi-track ring resonators and two-dimensional slab microcavities exhibiting long lifetimes Q ≳ 104, small modal volumes V ≳ λ∕2n3, and among the largest nonlinear overlaps (a generalization of phase matching in large-etalon waveguides) possible, paving the way for efficient, compact, and wide-bandwdith integrated nonlinear devices.

Original languageEnglish (US)
Pages (from-to)2818-2821
Number of pages4
JournalOptics Letters
Volume42
Issue number14
DOIs
StatePublished - Jul 15 2017

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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