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Article Dans Une Revue Applied Physics Letters Année : 2019

Continuous wave operation of InAs-based quantum cascade lasers at 20 μ m

Résumé

We report low threshold continuous wave (CW) operation of InAs/AlSb quantum cascade lasers emitting around 20 lm. The laser cavity was made of a plasmon-enhanced dielectric waveguide with cladding layers made of n-InAs. The devices exhibited a threshold current density of 1.38 kA/cm 2 at the maximum temperature of CW operation of 240 K and an output power of 14 mW/facet at T ¼ 80 K. In pulsed mode, the lasers operated up to 380 K with a threshold current density of 1.15 kA/cm 2 at room temperature.
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hal-02379656 , version 1 (25-11-2020)

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Z. Loghmari, M. Bahriz, A. Meguekam, H. Nguyen Van, Roland Teissier, et al.. Continuous wave operation of InAs-based quantum cascade lasers at 20 μ m. Applied Physics Letters, 2019, 115 (15), pp.151101. ⟨10.1063/1.5119242⟩. ⟨hal-02379656⟩
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