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Conferences > IQEC > 1994 > QWC > QWC51
  • International Quantum Electronics Conference
  • OSA Technical Digest (Optica Publishing Group, 1994),
  • paper QWC51

Excitonic polariton propagation in a directional-coupler switch based on quantum wires

Toshihiko Sato and Toshio Katsuyama

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Abstract

In the spectral region around the excitonic resonance, a photon entering a semiconductor crystal is changed into an exciton polariton by linear coupling with an exciton.1 In 2-D GaAs/AlGaAs quantum wells, we have previously experimentally observed and theoretically analyzed the excitonic polariton.1–4 Our results showed that the stability of the excitonic polariton is improved by quantum-confinement effects.5 Therefore in 1-D quantum wires, excitonic polaritons are expected to show even higher stability because the excitonic oscillator strength is larger than that in quantum wells.

© 1994 Optical Society of America

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