All papers authored by Martin Hempel
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2017
Benjamin Röben 
,
Xiang Lü,
Martin Hempel ,
Klaus Biermann,
Lutz Schrottke,
Holger T. Grahn
,
Xiang Lü,
Martin Hempel ,
Klaus Biermann,
Lutz Schrottke,
Holger T. Grahn
Terahertz quantum-cascade lasers as high-power and wideband, gapless sources for spectroscopy
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2016
Robert Kernke,
Martin Hempel ,
Jens W. Tomm,
Thomas Elsaesser,
Bernhard Stojetz,
Harald König,
Uwe Strauß
,
Jens W. Tomm,
Thomas Elsaesser,
Bernhard Stojetz,
Harald König,
Uwe Strauß
Shortwave infrared (SWIR) emission from 450 nm InGaN diode lasers
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Jens W. Tomm,
Martin Hempel ,
Thomas Elsaesser,
Thomas Elsässer,
Juan Jimenez,
Vanesa Hortelano,
Mauro A. Bettiati
,
Thomas Elsaesser,
Thomas Elsässer,
Juan Jimenez,
Vanesa Hortelano,
Mauro A. Bettiati
Internal degradation of 980nm emitting single-spatial-mode lasers during ultrahigh power operation
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Martin Hempel ,
Mingjun Chi,
Paul M. Petersen,
Ute Zeimer,
Jens W. Tomm
,
Mingjun Chi,
Paul M. Petersen,
Ute Zeimer,
Jens W. Tomm
How does external feedback cause AlGaAs-based diode lasers to degrade?
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