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  • 2013 Conference on Lasers and Electro-Optics Pacific Rim
  • (Optica Publishing Group, 2013),
  • paper TuPH_2

Dip-shaped AlGaN/AlN Quantum Well Structures with high TE-polarized Optical Gain

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Optical gain characteristics of dip-shaped AlGaN/AlN quantum well (QW) structures in deep-ultraviolet (UV) spectral region were investigated using non-Markovian model with the many-body effect. For a high Al composition of 0.85, the conventional AlGaN/AlN QW structure shows that TM-polarization is dominant. On the other hand, with the inclusion of the lower bandgap AlGaN layer, the polarization property changes from TM-polarization to TE-polarization with a small wavelength change.

© 2013 IEICE

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