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Oxide-confined monolithic, multiple-wavelength vertical-cavity surface-emitting laser arrays with a 40-nm wavelength span

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4 Author(s)
Yuxin Zhou ; Center for High Technol. Mater., New Mexico Univ., Albuquerque, NM, USA ; Luong, S. ; Hains, C.P. ; Cheng, Julian

Monolithic, multiple-wavelength, vertical-cavity surface-emitting laser arrays grown by controlling the metal-organic chemical vapor deposition epitaxial growth rate on a patterned substrate, and using selective oxidation for current confinement, have been demonstrated with a periodic, graded wavelength span of 40 nm, Near room-temperature, electrically pumped continuous-wave lasing is achieved over the entire 40-nm range, with uniform threshold currents of 4.5 mA/spl plusmn/1.0 mA, and with output powers ranging from 0.4-1.3 mW.

Published in:

Photonics Technology Letters, IEEE  (Volume:10 ,  Issue: 11 )