Excitonic polaritons in Fibonacci quasicrystals

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

Research output: Contribution to journalArticle

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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 languageEnglish (US)
Pages (from-to)15382-15387
Number of pages6
JournalOptics Express
Volume16
Issue number20
DOIs
StatePublished - Sep 29 2008

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polaritons
photonics
quantum wells
wavelengths
crystals
light emission
aluminum gallium arsenides
periodic variations
emitters
molecular beam epitaxy
spacing
reflectance
photoluminescence
fabrication

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Hendrickson, J., Richards, B. C., Sweet, J., Khitrova, G., Poddubny, A. N., Ivchenko, E. L., ... Gibbs, H. M. (2008). Excitonic polaritons in Fibonacci quasicrystals. Optics Express, 16(20), 15382-15387. https://doi.org/10.1364/OE.16.015382

Excitonic polaritons in Fibonacci quasicrystals. / Hendrickson, J.; Richards, B. C.; Sweet, J.; Khitrova, Galina; Poddubny, A. N.; Ivchenko, E. L.; Wegener, M.; Gibbs, H. M.

In: Optics Express, Vol. 16, No. 20, 29.09.2008, p. 15382-15387.

Research output: Contribution to journalArticle

Hendrickson, J, Richards, BC, Sweet, J, Khitrova, G, Poddubny, AN, Ivchenko, EL, Wegener, M & Gibbs, HM 2008, 'Excitonic polaritons in Fibonacci quasicrystals', Optics Express, vol. 16, no. 20, pp. 15382-15387. https://doi.org/10.1364/OE.16.015382
Hendrickson J, Richards BC, Sweet J, Khitrova G, Poddubny AN, Ivchenko EL et al. Excitonic polaritons in Fibonacci quasicrystals. Optics Express. 2008 Sep 29;16(20):15382-15387. https://doi.org/10.1364/OE.16.015382
Hendrickson, J. ; Richards, B. C. ; Sweet, J. ; Khitrova, Galina ; Poddubny, A. N. ; Ivchenko, E. L. ; Wegener, M. ; Gibbs, H. M. / Excitonic polaritons in Fibonacci quasicrystals. In: Optics Express. 2008 ; Vol. 16, No. 20. pp. 15382-15387.
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