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Low thermal resistance 780nm GaInPAs/GaInP 40ch VCSEL array for laser printers

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6 Author(s)
Kazuhiro Harasaka ; RICOH Co., LTD. Tohoku R&D Center, 5-10 Yokarakami Kumanodo Takadate, Natori, Miyagi, Japan ; Hiroshi Motomura ; Kei Hara ; Akihiro Ito
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We have developed a 780nm 40ch VCSEL array for laser printers. Low thermal resistance has been achieved by improving the layer construction, with the result that laser power changing due to self-heating and thermal interference in the array have been stabilized. Moreover, single-mode high power and stable polarization have been achieved by GaInPAs strained quantum wells grown on 15° off GaAs substrate and anisotropically-shaped transverse mode filter on the output surface.

Published in:

Microopics Conference (MOC), 2011 17th

Date of Conference:

Oct. 30 2011-Nov. 2 2011