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Strong exciton-photon coupling in a length tunable optical microcavity

Strong exciton-photon coupling in a length tunable optical microcavity
Strong exciton-photon coupling in a length tunable optical microcavity
We report the incorporation of thin films of a cyanine dye J aggregate into a versatile, length tunable, optical microcavity. The dense J-aggregate layers give an optical response that can be modified by embedding them at specific positions within heterostructures of dielectric and metal layers. The microcavities are composed of separate gold mirrors, which can be individually nanopositioned, and give sharp resonant modes in the red/near-infrared region of the spectrum. With the dye layer favorably placed, anticrossing behavior is observed as the cavity modes are successively swept through the absorption resonance. Large Rabi splittings of up to 170 meV are achieved at room temperature, agreeing well with predictions from a transfer-matrix model. These strongly coupled microcavities pave the way for microelectromechanical systems-integrated microdevices with tailored nonlinear optical properties.
0003-6951
041110-[3pp]
Finlayson, C.E.
bcc6c2a7-e346-4b08-93e7-be12c7033dac
Prakash, G. Vijaya
50f38699-84f4-4869-baec-64ba7b09f00e
Baumberg, J.J.
78e1ea7e-8c70-404c-bf84-59aafe75cd07
Finlayson, C.E.
bcc6c2a7-e346-4b08-93e7-be12c7033dac
Prakash, G. Vijaya
50f38699-84f4-4869-baec-64ba7b09f00e
Baumberg, J.J.
78e1ea7e-8c70-404c-bf84-59aafe75cd07

Finlayson, C.E., Prakash, G. Vijaya and Baumberg, J.J. (2005) Strong exciton-photon coupling in a length tunable optical microcavity. Applied Physics Letters, 86 (4), 041110-[3pp]. (doi:10.1063/1.1850189).

Record type: Article

Abstract

We report the incorporation of thin films of a cyanine dye J aggregate into a versatile, length tunable, optical microcavity. The dense J-aggregate layers give an optical response that can be modified by embedding them at specific positions within heterostructures of dielectric and metal layers. The microcavities are composed of separate gold mirrors, which can be individually nanopositioned, and give sharp resonant modes in the red/near-infrared region of the spectrum. With the dye layer favorably placed, anticrossing behavior is observed as the cavity modes are successively swept through the absorption resonance. Large Rabi splittings of up to 170 meV are achieved at room temperature, agreeing well with predictions from a transfer-matrix model. These strongly coupled microcavities pave the way for microelectromechanical systems-integrated microdevices with tailored nonlinear optical properties.

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Published date: January 2005

Identifiers

Local EPrints ID: 14618
URI: http://eprints.soton.ac.uk/id/eprint/14618
ISSN: 0003-6951
PURE UUID: ac06b96f-78da-486c-942f-41e92732c67a

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Date deposited: 16 Feb 2005
Last modified: 02 Dec 2019 19:39

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