High quality factor silica microspheres functionalized with self-assembled nanomaterials

Ishac Kandas, Baigang Zhang, Chalongrat Daengngam, Islam Ashry, Chih Yu Jao, Bo Peng, Sahin K. Ozdemir, Hans D. Robinson, James R. Heflin, Lan Yang, Yong Xu

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

With extremely low material absorption and exceptional surface smoothness, silica-based optical resonators can achieve extremely high cavity quality (Q) factors. However, the intrinsic material limitations of silica (e.g., lack of second order nonlinearity) may limit the potential applications of silica-based high Q resonators. Here we report some results in utilizing layer-by-layer self-assembly to functionalize silica microspheres with nonlinear and plasmonic nanomaterials while maintaining Q factors as high as 107. We compare experimentally measured Q factors with theoretical estimates, and find good agreement.

Original languageEnglish (US)
Pages (from-to)20601-20610
Number of pages10
JournalOptics Express
Volume21
Issue number18
DOIs
StatePublished - Sep 9 2013

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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