Highly reliable blue‐violet inner stripe laser diodes using planar regrowth of AlGaN/GaN superlattice cladding layer | Zendy

Fukuda K. | Zendy; Kohmoto S. | Zendy; Matsudate M. | Zendy; Tsukuda T. | Zendy; Yamada M. | Zendy; Ohya M. | Zendy; Naniwae K. | Zendy; Akagawa T. | Zendy; Masumoto I. | Zendy; Sasaoka C. | Zendy

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Highly reliable blue‐violet inner stripe laser diodes using planar regrowth of AlGaN/GaN superlattice cladding layer

Author(s) -

Fukuda K.,

Kohmoto S.,

Matsudate M.,

Tsukuda T.,

Yamada M.,

Ohya M.,

Naniwae K.,

Akagawa T.,

Masumoto I.,

Sasaoka C.

Publication year - 2007

Publication title -

physica status solidi (a)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.532

H-Index - 104

eISSN - 1862-6319

pISSN - 1862-6300

DOI - 10.1002/pssa.200674823

Subject(s) - materials science , cladding (metalworking) , optoelectronics , superlattice , planar , diode , blue laser , laser , layer (electronics) , optics , composite material , computer science , computer graphics (images) , physics

We describe highly reliable operation of a novel planar inner stripe blue‐violet laser diode (BV‐LD). A planar regrowth technique makes it possible to simultaneously fabricate a low‐resistive superlattice (SL) structure both on the current‐injecting narrow stripe area and on the AlN current‐blocking layer. This allows for low operating voltage and over 1000 h stable operation at a single‐mode output power of 200 mW at 80 °C. The results obtained here clearly indicate that this inner stripe laser structure is a desirable candidate for a reliable high‐power light source for the next generation of optical disc systems. (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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