Self-aligned bend waveguide (SBW) AlGaInP visible laser diode with small beam astigmatism

The self-aligned bend waveguide (SBW) AlGaInP visible laser developed produces an index guiding waveguide structure by the bend of the double heterolayers and offers a very small beam astigmatism. The laser was fabricated using two-step metalorganic vapor phase epitaxy (MOVPE). Kink-free operation a...

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Bibliographic Details
Published in:IEEE journal of quantum electronics 1993-06, Vol.29 (6), p.1869-1873
Main Authors: Furuya, A., Kito, Y., Fukushima, T., Sugano, M., Sudo, H., Anayama, C., Kondo, M., Tanahashi, T.
Format: Article
Language:English
Subjects:
Diode lasers
Epitaxial growth
Epitaxial layers
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Laser beams
Lasers
Maintenance
Molecular beam epitaxial growth
Optics
Physics
Power generation
Power measurement
Semiconductor lasers
laser diodes
Vision defects
Waveguide lasers
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Summary:The self-aligned bend waveguide (SBW) AlGaInP visible laser developed produces an index guiding waveguide structure by the bend of the double heterolayers and offers a very small beam astigmatism. The laser was fabricated using two-step metalorganic vapor phase epitaxy (MOVPE). Kink-free operation at 40 mW was achieved by modifying the device parameters. The measured beam astigmatism was maintained at less than 1 mu m and did not vary with output power. The aging results under the condition of 50 degrees C and 20 mW output power demonstrated the laser's reliability.< >
ISSN:0018-9197
1558-1713
DOI:10.1109/3.234446