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  • International Quantum Electronics Conference
  • OSA Technical Digest (Optica Publishing Group, 1990),
  • paper QTUA3

Size-dependent electroabsorptive properties of semiconductor microcrystallites in glass

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Abstract

The influence of a dc electric field on a bulk semiconductor is to shift the absorption edge to lower energy; in one regime this is the Franz-Keldysh effect.1 The electroabsorption exhibited by a quantum well can be more pronounced; the quantum-confined Stark effect causes a red shift of the exciton peak in the presence of the field. It has been suggested that in ideal circumstances the electroabsorption exhibited by quantum dots should be yet greater.2

© 1990 Optical Society of America

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