Single-mode tunable, pulsed, and continuous wave quantum-cascade distributed feedback lasers at λ≅4.6–4.7 μm

Single-mode tunable, pulsed, and continuous wave quantum-cascade distributed feedback lasers at λ≅4.6–4.7 μm

Single-mode tunable quantum-cascade distributed feedback lasers emitting at 4.6–4.7 μm wavelength are reported. The lasers employ strained heterostructure material with global strain compensation to provide the large band offset needed for high-performance short wavelength operation. Pulsed, continu...

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Veröffentlicht in:Applied physics letters 2000-02, Vol.76 (9), p.1092-1094
Hauptverfasser: Köhler, Rüdeger, Gmachl, Claire, Tredicucci, Alessandro, Capasso, Federico, Sivco, Deborah L., Chu, S. N. George, Cho, Alfred Y.
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container_end_page 1094
container_issue 9
container_start_page 1092
container_title Applied physics letters
container_volume 76
creator Köhler, Rüdeger
Gmachl, Claire
Tredicucci, Alessandro
Capasso, Federico
Sivco, Deborah L.
Chu, S. N. George
Cho, Alfred Y.
description Single-mode tunable quantum-cascade distributed feedback lasers emitting at 4.6–4.7 μm wavelength are reported. The lasers employ strained heterostructure material with global strain compensation to provide the large band offset needed for high-performance short wavelength operation. Pulsed, continuously tunable single-mode emission is achieved from 90 to 300 K with a tuning range of 65 nm. Peak output power levels of 100 mW at room temperature are obtained. In continuous-wave operation, current tunable single-mode emission is demonstrated around liquid-nitrogen temperature with a tuning range of 20 nm (over a current range of 450 mA). The maximum output power in continuous wave at 80 K is 150 mW.
doi_str_mv 10.1063/1.125987
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title Single-mode tunable, pulsed, and continuous wave quantum-cascade distributed feedback lasers at λ≅4.6–4.7 μm
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