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Opt Express. 2012 May 7;20(10):11316-20. doi: 10.1364/OE.20.011316.

An electrically pumped germanium laser.

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  • 1Massachusetts Institute of Technology, Cambridge, MA 02139, USA.

Abstract

Electrically pumped lasing from Germanium-on-Silicon pnn heterojunction diode structures is demonstrated. Room temperature multimode laser with 1mW output power is measured. Phosphorous doping in Germanium at a concentration over 4x10<sup>19</sup>cm<sup>-3</sup> is achieved. A Germanium gain spectrum of nearly 200nm is observed.

PMID:
22565752
[PubMed]
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