Transformation quantum optics: Designing spontaneous emission using coordinate transformations

Jingjing Zhang; Martijn Wubs; Pavel Ginzburg; Gregory Wurtz; Anatoly V. Zayats

doi:10.1088/2040-8978/18/4/044029

Transformation quantum optics: Designing spontaneous emission using coordinate transformations

Jingjing Zhang, Martijn Wubs, Pavel Ginzburg, Gregory Wurtz, Anatoly V. Zayats

Physics

Research output: Contribution to journal › Article › peer-review

19 Citations (Scopus)

Abstract

Spontaneous decay is a fundamental quantum property of emitters that can be controlled in a material environment via modification of the local density of optical states (LDOS). Here we use transformation optics methods in order to design required density of states and thus spontaneous emission (SE) rate. Specifically, we show that the SE rate can be either enhanced or suppressed using invisibility cloaks or gradient index lenses. Furthermore, the anisotropic material profile of the cloak enables the directional control of SE. We also discuss how the practical issues, such as dispersion and losses, affect the LDOS in complex materials. Tailoring SE properties using transformation optics approach provides an innovative way for designing emission properties in a complex material environment needed for the development of active nanophotonic devices.

Original language	English
Article number	044029
Journal	Journal Of Optics
Volume	18
Issue number	4
DOIs	https://doi.org/10.1088/2040-8978/18/4/044029
Publication status	Published - 1 Apr 2016

Keywords

Density of optical states
Invisibility cloaks
Spontaneous emission
Transformation optics

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10.1088/2040-8978/18/4/044029

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abstract = "Spontaneous decay is a fundamental quantum property of emitters that can be controlled in a material environment via modification of the local density of optical states (LDOS). Here we use transformation optics methods in order to design required density of states and thus spontaneous emission (SE) rate. Specifically, we show that the SE rate can be either enhanced or suppressed using invisibility cloaks or gradient index lenses. Furthermore, the anisotropic material profile of the cloak enables the directional control of SE. We also discuss how the practical issues, such as dispersion and losses, affect the LDOS in complex materials. Tailoring SE properties using transformation optics approach provides an innovative way for designing emission properties in a complex material environment needed for the development of active nanophotonic devices.",

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AU - Wurtz, Gregory

AU - Zayats, Anatoly V.

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AB - Spontaneous decay is a fundamental quantum property of emitters that can be controlled in a material environment via modification of the local density of optical states (LDOS). Here we use transformation optics methods in order to design required density of states and thus spontaneous emission (SE) rate. Specifically, we show that the SE rate can be either enhanced or suppressed using invisibility cloaks or gradient index lenses. Furthermore, the anisotropic material profile of the cloak enables the directional control of SE. We also discuss how the practical issues, such as dispersion and losses, affect the LDOS in complex materials. Tailoring SE properties using transformation optics approach provides an innovative way for designing emission properties in a complex material environment needed for the development of active nanophotonic devices.

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Transformation quantum optics: Designing spontaneous emission using coordinate transformations

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