Fano-control of down-conversion in a nonlinear crystal via plasmonic-quantum emitter hybrid structures

Date

2020-12-01

Author

Artvin, Zafer
Gunay, Mehmet
Bek, Alpan
TAŞGIN, MEHMET EMRE

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Control of the nonlinear response of nanostructures via path interference effects, i.e., Fano resonances, has been studied extensively. In such studies, a frequency conversion process takes place near a hot spot. Here, we study the case where the frequency conversion process takes place along the body of a nonlinear crystal. Metal nanoparticle-quantum emitter dimers control the down-conversion process, taking place throughout the crystal body, via introducing interfering conversion paths. Dimers behave as interaction centers. We show that two orders of magnitude enhancement is possible, on top of the enhancement due to localization effects. That is, this factor multiplies the enhancement taking place due to the field localization. (C) 2020 Optical Society of America

Subject Keywords

Atomic and Molecular Physics, and Optics, Statistical and Nonlinear Physics

URI

https://hdl.handle.net/11511/70208

Journal

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS

DOI

https://doi.org/10.1364/josab.405637

Collections

Department of Physics, Article

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Citation Formats

Z. Artvin, M. Gunay, A. Bek, and M. E. TAŞGIN, “Fano-control of down-conversion in a nonlinear crystal via plasmonic-quantum emitter hybrid structures,” JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS, pp. 3769–3776, 2020, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/70208.