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Efficient high-temperature CW lasing operation of oxide-confined long-wavelength InAs quantum dot lasers

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6 Author(s)
Xiaodong Huang ; Center for High Technol. Mater., New Mexico Univ., Albuquerque, NM, USA ; A. Stintz ; C. P. Hains ; G. T. Liu
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Efficient, continuous-wave lasing operation of narrow-stripe, oxide-confined, long-wavelength InAs quantum dot lasers in the ground state (λ≃1.28 μm) has been achieved at temperatures up to 100°C. The lasers have a very low threshold current density (Jth=24 A/cm2), high differential quantum efficiency (55), and very low internal loss (αi=0.77 cm -1)

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Electronics Letters  (Volume:36 ,  Issue: 1 )