MIOMD-XI Speakers    
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1.  Mr. Dorian Sanchez, Université Montpellier 2, FRANCE
Late-Breaking Results: Single-mode CW Monolithic GaSb-VCSEL operating up 70°C
Speaker Biography: Dorian Sanchez received the B.Sc. degree in EEA in 2007, and the M.Sc. degree in Electronic devices from University of Science, Montpellier, France, in 2009. He is currently working toward the Ph.D. degree at the University of Science, Montpellier, France. His current research interests include GaSb-based vertical-cavity surface-emitting lasers (VCSELs) for Mid-Infrared applications.

Summary: We report on a monolithic Sb-based Vertical Cavity Surface Emitting Laser operating at CW up to 70 °C at 2.3 µm. The structure is made of two AlAsSb/GaSb mirrors, type-I InGaAsSb/AlGaAsSb wells and an InAs/GaSb tunnel junction. By selectively under-etching this tunnel junction, we improve the VCSEL performances and demonstrate low threshold current, and single mode operation with a continuous tunability of 14 nm.
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