TM-mode lasing and anisotropic polarization properties of AlGaN multiple quantum well lasers in deep-ultraviolet spectral region

Hideo Kawanishi; Masanori Senuma; Takeaki Nukui

doi:10.1117/12.698513

8 February 2007 TM-mode lasing and anisotropic polarization properties of AlGaN multiple quantum well lasers in deep-ultraviolet spectral region

Hideo Kawanishi, Masanori Senuma, Takeaki Nukui

Author Affiliations +

Proceedings Volume 6473, Gallium Nitride Materials and Devices II; 64731D (2007) https://doi.org/10.1117/12.698513
Event: Integrated Optoelectronic Devices 2007, 2007, San Jose, California, United States

Abstract

We investigated rolls of crystal-field split-off valence band (CH VB) in the deep-UV laser by measuring a transverse-magnetic-field (TM)-mode polarization of lasing and spontaneous surface and edge emissions above and below the lasing threshold from the AlGaN multiple-quantum-well (MQW) laser at 240.8 nm and the anisotropic optical properties of c-plane Al_xGa_1-xN multiple quantum wells and m-plane Al_xGa_1-xN single layer. These results indicate that CH VB plays an important role in (E//c) polarization and anisotropic emissions from Al_xGa_1-xN with x≧0.5.

Citation Download Citation

Hideo Kawanishi, Masanori Senuma, and Takeaki Nukui "TM-mode lasing and anisotropic polarization properties of AlGaN multiple quantum well lasers in deep-ultraviolet spectral region", Proc. SPIE 6473, Gallium Nitride Materials and Devices II, 64731D (8 February 2007); https://doi.org/10.1117/12.698513

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