Excitonic polaritons in Fibonacci quasicrystals

J. Hendrickson; B. C. Richards; J. Sweet; G. Khitrova; A. N. Poddubny; E. L. Ivchenko; M. Wegener; H. M. Gibbs

doi:10.1364/OE.16.015382

Excitonic polaritons in Fibonacci quasicrystals

J. Hendrickson, B. C. Richards, J. Sweet, G. Khitrova, A. N. Poddubny, E. L. Ivchenko, M. Wegener, H. M. Gibbs

Optical Sciences, College of

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

50 Scopus citations

Abstract

The fabrication and characterization of light-emitting one-dimensional photonic quasicrystals based on excitonic resonances is reported. The structures consist of high-quality GaAs/AlGaAs quantum wells grown by molecular-beam epitaxy with wavelength-scale spacings satisfying a Fibonacci sequence. The polaritonic (resonant light-matter coupling) effects and light emission originate from the quantum well excitonic resonances. Measured reflectivity spectra as a function of detuning between emission and Bragg wavelength are in good agreement with excitonic polariton theory. Photoluminescence experiments show that active photonic quasicrystals, unlike photonic crystals, can be good light emitters: While their long-range order results in a stopband similar to that of photonic crystals, the lack of periodicity results in strong emission.

Original language	English (US)
Pages (from-to)	15382-15387
Number of pages	6
Journal	Optics Express
Volume	16
Issue number	20
DOIs	https://doi.org/10.1364/OE.16.015382
State	Published - Sep 29 2008

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1364/OE.16.015382

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title = "Excitonic polaritons in Fibonacci quasicrystals",

abstract = "The fabrication and characterization of light-emitting one-dimensional photonic quasicrystals based on excitonic resonances is reported. The structures consist of high-quality GaAs/AlGaAs quantum wells grown by molecular-beam epitaxy with wavelength-scale spacings satisfying a Fibonacci sequence. The polaritonic (resonant light-matter coupling) effects and light emission originate from the quantum well excitonic resonances. Measured reflectivity spectra as a function of detuning between emission and Bragg wavelength are in good agreement with excitonic polariton theory. Photoluminescence experiments show that active photonic quasicrystals, unlike photonic crystals, can be good light emitters: While their long-range order results in a stopband similar to that of photonic crystals, the lack of periodicity results in strong emission.",

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AU - Hendrickson, J.

AU - Richards, B. C.

AU - Sweet, J.

AU - Khitrova, G.

AU - Poddubny, A. N.

AU - Ivchenko, E. L.

AU - Wegener, M.

AU - Gibbs, H. M.

PY - 2008/9/29

Y1 - 2008/9/29

N2 - The fabrication and characterization of light-emitting one-dimensional photonic quasicrystals based on excitonic resonances is reported. The structures consist of high-quality GaAs/AlGaAs quantum wells grown by molecular-beam epitaxy with wavelength-scale spacings satisfying a Fibonacci sequence. The polaritonic (resonant light-matter coupling) effects and light emission originate from the quantum well excitonic resonances. Measured reflectivity spectra as a function of detuning between emission and Bragg wavelength are in good agreement with excitonic polariton theory. Photoluminescence experiments show that active photonic quasicrystals, unlike photonic crystals, can be good light emitters: While their long-range order results in a stopband similar to that of photonic crystals, the lack of periodicity results in strong emission.

AB - The fabrication and characterization of light-emitting one-dimensional photonic quasicrystals based on excitonic resonances is reported. The structures consist of high-quality GaAs/AlGaAs quantum wells grown by molecular-beam epitaxy with wavelength-scale spacings satisfying a Fibonacci sequence. The polaritonic (resonant light-matter coupling) effects and light emission originate from the quantum well excitonic resonances. Measured reflectivity spectra as a function of detuning between emission and Bragg wavelength are in good agreement with excitonic polariton theory. Photoluminescence experiments show that active photonic quasicrystals, unlike photonic crystals, can be good light emitters: While their long-range order results in a stopband similar to that of photonic crystals, the lack of periodicity results in strong emission.

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Excitonic polaritons in Fibonacci quasicrystals

Abstract

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