Journal
APPLIED PHYSICS EXPRESS
Volume 4, Issue 7, Pages -Publisher
JAPAN SOC APPLIED PHYSICS
DOI: 10.1143/APEX.4.072103
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We realized room-temperature lasing of blue and green GaN-based vertical-cavity surface-emitting lasers (VCSELs), for the first time, by current injection. The blue GaN-based VCSEL had a threshold current of 1.5 mA and a threshold voltage of 3.3V under continuous-wave operation. Its maximum output power was 0.70 mW and its laser emission wavelength was 451 nm. The green GaN-based VCSEL had a threshold current of 22 mA and a threshold voltage of 6.3V under pulsed current operation. Its maximum output power was estimated to be over 0.80 mW and the laser emission wavelength was 503 nm. (C) 2011 The Japan Society of Applied Physics
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