Low threshold room-temperature microdisk lasers in the blue spectral range

Publisher:
American Institute of Physics
Publication Type:
Journal article
Citation:
Aharonovich, Igor et al. 2013, 'Low threshold room-temperature microdisk lasers in the blue spectral range', Applied Physics Letters, vol. 103, pp. 021112-1-021112-4.
Issue Date:
2013
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InGaN-based active layers within microcavity resonators offer the potential of low threshold lasers in the blue spectral range. Here we demonstrate optically pumped, room temperature lasing in high quality factor GaN microdisk cavities containing InGaN quantum dots (QDs) with thresholds as low as 0.28 mJ/cm2. This work, the first demonstration of lasing action from GaN microdisk cavities with QDs in the active layer, provides a critical step for the nitrides in realizing low threshold photonic devices with efficient coupling between QDs and an optical cavity
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