1 February 2008 Volume production of polarization controlled single-mode VCSELs
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Abstract
Over the past 3 years laser based tracking systems for optical PC mice have outnumbered the traditional VCSEL market datacom by far. Whereas VCSEL for datacom in the 850 nm regime emit in multipe transverse modes, all laser based tracking systems demand for single-mode operation which require advanced manufacturing technology. Next generation tracking systems even require single-polarization characteristics in order to avoid unwanted movement of the pointer due to polarization flips. High volume manufacturing and optimized production methods are crucial for achieving the addressed technical and commercial targets of this consumer market. The resulting ideal laser source which emits single-mode and single-polarization at low cost is also a promising platform for further applications like tuneable diode laser absorption spectroscopy (TDLAS) or miniature atomic clocks when adapted to the according wavelengths.
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Martin Grabherr, Martin Grabherr, Roger King, Roger King, Roland Jäger, Roland Jäger, Dieter Wiedenmann, Dieter Wiedenmann, Philipp Gerlach, Philipp Gerlach, Denise Duckeck, Denise Duckeck, Christian Wimmer, Christian Wimmer, } "Volume production of polarization controlled single-mode VCSELs", Proc. SPIE 6908, Vertical-Cavity Surface-Emitting Lasers XII, 690803 (1 February 2008); doi: 10.1117/12.760411; https://doi.org/10.1117/12.760411
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