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  • International Quantum Electronics Conference
  • OSA Technical Digest (Optica Publishing Group, 1994),
  • paper QWE2

Direct observation of the biexciton ground state in semiconductor quantum dots

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It has been predicted that the ground state of the biexciton (two electron-hole pairs) in quantum dots should lie at an energy less than twice that of the lowest energy exciton state.1 The biexciton ground state has not been seen before as a result of broadening, both homogeneous and in homogeneous, which obscures the expected induced-absorption feature.

© 1994 Optical Society of America

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