Long-wavelength (λ ≈ 14 µm) Quantum Cascade Lasers with Low Threshold and High Characteristic Temperature (~ 300 K)

Xue Huang; William O. Charles; Claire F. Gmachl

doi:10.1364/CLEO_SI.2011.CTuP4

CLEO:2011 - Laser Applications to Photonic Applications
OSA Technical Digest (CD) (Optica Publishing Group, 2011),
paper CTuP4
•https://doi.org/10.1364/CLEO_SI.2011.CTuP4

Long-wavelength (λ ≈ 14 µm) Quantum Cascade Lasers with Low Threshold and High Characteristic Temperature (~ 300 K)

Xue Huang, William O. Charles, and Claire F. Gmachl

CLEO: Science and Innovations 2011

Baltimore, Maryland United States
1–6 May 2011
ISBN: 978-1-55752-910-7

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Novel Semiconductor Lasers (CTuP)

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X. Huang, W. O. Charles, and C. F. Gmachl, "Long-wavelength (λ ≈ 14 µm) Quantum Cascade Lasers with Low Threshold and High Characteristic Temperature (~ 300 K)," in CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optica Publishing Group, 2011), paper CTuP4.

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Abstract

We demonstrate a high-performance Quantum Cascade laser at ~ 14 µm wavelength. It shows a low threshold current density of 2.1 kA/cm² at 300 K and high characteristic temperature of 309 K around room temperature.

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