Chunte A. Lu
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View article: Ultrawide dual contact strip fabricated quantum cascade lasers with reduced beam divergence angle
Ultrawide dual contact strip fabricated quantum cascade lasers with reduced beam divergence angle Open
Power scaling through the broadening of the laser core in Quantum Cascade Lasers can extract greater average power from devices at the cost of mode quality. To improve transverse mode quality for ultrawide (>100 µm) devices, a dual contact…
View article: Experimental investigation of broad area quantum cascade lasers under external feedback
Experimental investigation of broad area quantum cascade lasers under external feedback Open
Mode creation and temporal response of broad-area quantum cascade lasers (BA-QCL) placed within an external feedback cavity are described in this publication. The critical feedback parameter becomes the mirror angle relative to the BA-QCL …
View article: Wavelength beam combining of VECSELs using multiplexed volume Bragg gratings in a compound cavity
Wavelength beam combining of VECSELs using multiplexed volume Bragg gratings in a compound cavity Open
A method of wavelength beam combining to enhance the total output brightness of vertical external cavity surface emitting lasers (VECSELs) using multiplexed volume Bragg gratings (MVBGs) is presented. The MVBGs are designed to introduce wa…
View article: BEAM COMBINING OF FIBER LASERS AND VERTICAL EXTERNAL CAVITY SURFACE EMITTING LASERS USING VOLUME BRAGG GRATINGS
BEAM COMBINING OF FIBER LASERS AND VERTICAL EXTERNAL CAVITY SURFACE EMITTING LASERS USING VOLUME BRAGG GRATINGS Open
Advances in high brightness laser sources with near diffraction limited beam quality outputs have enabled wide range of applications. However, physical constraints such as material heating and nonlinear effects limit the maximum achievable…