Title :
Spatially-resolved thermal coupling in VCSEL arrays using thermoreflectance microscopy
Author :
Greenberg, Kathryn J. ; Summers, Joseph A. ; Farzaneh, Maryam ; Hudgings, Janice A.
Author_Institution :
Dept. of Phys., Mount Holyoke Coll., South Hadley, MA
Abstract :
Thermoreflectance microscopy is used for simultaneous, spatially-resolved temperature measurements of VCSELs in a 1D array. Significant thermal effects such as thermal coupling between neighboring VCSELs and temperature distribution across the apertures are reported.
Keywords :
laser cavity resonators; optical microscopy; semiconductor laser arrays; surface emitting lasers; thermal lensing; thermoreflectance; 1-D array; VCSEL; spatially-resolved temperature measurements; temperature distribution; thermal coupling; thermal effects; thermoreflectance microscopy; Apertures; Microscopy; Optical arrays; Optical coupling; Optical surface waves; Temperature measurement; Thermal lensing; Thermoreflectance; Vertical cavity surface emitting lasers; Wavelength measurement; (110.6820) Thermal Imaging; (140.7260) Vertical cavity surface emitting lasers;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
