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Nature Photonics 2, 521 - 522 (2008)
doi:10.1038/nphoton.2008.163

Ultraviolet laser diodes: Indium-free success

Ulrich Schwarz1

  1. Ulrich Schwarz is in the Physics Department at the University of Regensburg, Universitätsstras zlige 31, Regensburg 93053, Germany.
    e-mail: uli.schwarz@physik.uni-regensburg.de

Researchers at Hamamatsu report an indium-free laser diode operating at 342 nm, the shortest wavelength so far for an electrically pumped semiconductor laser diode.

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