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Long wavelength (λ ≃ 13 µm) quantum cascade lasers

Long wavelength (λ ≃ 13 µm) quantum cascade lasers

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Long wavelength (λ ≃ 13 µm) quantum-cascade (QC) lasers are reported. With these lasers operating close to the cutoff wavelength of the second atmospheric window, full coverage of the mid-infrared transparency region is now achieved with GaInAs/AlInAs QC lasers. These devices operate in pulsed mode up to 175 K, with several milliwatts of peak output power at liquid nitrogen temperature.

References

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      • C. Sirtori , J. Faist , F. Capasso , D.L. Sivco , A.L. Hutchinson , A.Y. Cho . Quantum cascade laser with plasmon-enhancedwaveguide operating at 8.4 µm wavelength. Appl. Phys. Lett. , 3242 - 3244
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      • G. Scamarcio , F. Capasso , C. Sirtori , J. Faist , A.L. Hutchinson , D.L. Sivco , A.Y. Cho . High-power infrared (8-micrometer wavelength) superlattice lasers. Science , 773 - 776
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