Ion-beam-assisted spatial modulation of inhomogeneous broadening of a quantum well resonance: excitonic diffraction grating

Ion-beam-assisted spatial modulation of inhomogeneous broadening of a quantum well resonance: excitonic diffraction grating

We propose a method of spatial modulation of inhomogeneous broadening of a quantum-well excitonic resonance based on local generation of defects produced by a focused ion beam. The method is applied to fabrication of excitonic diffraction grating in a single quantum-well InGaAs/GaAs structure by irr...

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Veröffentlicht in:Optics letters 2016-01, Vol.41 (1), p.104-106
Hauptverfasser: Kapitonov, Yu V, Shapochkin, P Yu, Beliaev, L Yu, Petrov, Yu V, Efimov, Yu P, Eliseev, S A, Lovtcius, V A, Petrov, V V, Ovsyankin, V V
Format: Artikel
Sprache:eng
Schlagworte:
Approximation
Beams (radiation)
Diffraction gratings
Ion beams
Mathematical models
Modulation
Quantum wells
Spectra
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Beschreibung
Zusammenfassung:We propose a method of spatial modulation of inhomogeneous broadening of a quantum-well excitonic resonance based on local generation of defects produced by a focused ion beam. The method is applied to fabrication of excitonic diffraction grating in a single quantum-well InGaAs/GaAs structure by irradiating the sample with a beam of 35-keV He ions of exposure doses
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.41.000104