Quantum cascade
Dynamic modeling of Terahertz Quantum cascade lasers
... Terms—Terahertz, Quantum Cascade Laser, modeling, dynamic behavior, ...of Quantum Cascade Lasers ...alyzing quantum device carrier dynamics and have largely participate to their design ...
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Extreme events in mid-infrared quantum cascade lasers : from randomness to advanced controllability
... *E-mail: olivier.spitz@telecom-paristech.fr Abstract: We experimentally generate rogue waves in a mid-infrared quantum cascade laser with external optical feedback. These giant pulses become controllable ...
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Square Wave Emission in a Mid-infrared Quantum Cascade Oscillator Under Rotated Polarization
... Square Wave Emission in a Mid-infrared Quantum Cascade Oscillator Under Rotated Polarization O. Spitz 1,2* , A. Herdt 3 , M. Carras 2 , W. Elsäßer 3 and F. Grillot 1,4 1 LTCI, Télécom ParisTech, Université ...
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Temperature dependence of a mid-infrared quantum cascade laser with external optical feedback
... Temperature dependence of a mid-infrared quantum cascade laser with external optical feedback O. Spitz a,b,c , J. Wu c,e , S. Khanal d , M. Carras b , B. S. Williams d , C. W. Wong c , and F. Grillot a,c,f ...
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Excitability in Mid-Infrared Quantum Cascade Lasers: from Communication Jamming to Neuromorphic Photonics
... Excitability in Mid-Infrared Quantum Cascade Lasers: from Communication Jamming to Neuromorphic Photonics O. Spitz 1,2* , J. Wu 3,4 , M. Carras 2 , G. Maisons 2 , C. W. Wong 3 , and F. Grillot 1,5 1 LTCI, ...
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High power spatial single-mode quantum cascade lasers at 8.9 µm
... Semiconductor Lasers, edited by H.K. Choi (J.Wiley and Sons, Hoboken, N.J., 2004) 3. Kosterev, A. A., Curl, R. F., Tittel, F. K., Gmachl, C., Capasso, F., Sivco, D. L., Baillargeon, J. N., Hutchinson, A. L., Cho, A. Y.: ...
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Direct surface cyclotron resonance terahertz emission from a quantum cascade structure
... the 80’s on a highly purified bulk germanium lightly doped with holes 2,3 . In this system laser action in the terahertz (THz) region was obtained, at cryogenic temperatures, by cross combining intense magnetic and ...
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Optical-Feedback Cavity-Enhanced Absorption Spectroscopy with a Quantum Cascade Laser.
... ∗ Corresponding author: daniel.romanini@ujf-grenoble.fr Compiled February 5, 2011 Optical–feedback cavity–enhanced absorption spectroscopy is demonstrated in the mid–IR using a quantum cascade laser ...
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Beam and phase distributions of a terahertz quantum cascade wire laser
... wavefront of the QC wire laser has almost an ideal spherical contour. Although not measured, the wavefront in the near field is expected to be non-spherical. In conclusion, we measured the far-field beam profiles in ...
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Near-field tailoring of mid infrared quantum cascade lasers with conventional optical feedback
... Near-field tailoring of mid infrared quantum cascade lasers with conventional optical feedback O. Spitz 1,2,* , L. Jumpertz 1,2 , S. Ferré 2 , M. Carras 2 , F. Grillot 1,3 1 LTCI, Télécom ParisTech, ...
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The Effect of Temperature on the Dynamical States of a Time Delayed Mid-infrared Quantum Cascade Oscillator
... Introduction Quantum cascade lasers (QCLs), theoretically demonstrated for the first time in the early 1970s and then experimentally produced since 1994 [1], are semiconductor laser sources based on ...
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First analysis of strong optical feedback on a packaged Fabry-Perot quantum cascade laser emitting at 4 µm
... [1] F. Grillot, O. Spitz, A. Herdt, W. Els¨aßer, and M. Carras, “Towards private optical communications with mid-infrared chaotic light,” in “Quantum Sensing and Nano Electronics and Photonics XVII,” , vol. 11288 ...
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Chaotic optical power dropouts driven by low frequency bias forcing in a mid-infrared quantum cascade laser
... 45. Cardilli, M. C., Dabbicco, M., Mezzapesa, F. P. & Scamarcio, G. Linewidth measurement of mid infrared quantum cascade laser by optical feedback interferometry. Applied Physics Letters 108, 031105 ...
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High frequency dynamics in quantum cascade lasers : a roadmap to free-space communications in the mid-infrared
... frequencies are only for convenience for the reader and correspond to their positive frequency counterparts. 4. References [1] S. Blaser et al., “ Free-space optical data link using Peltier-cooled quantum ...
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Peculiarities and predictions of rogue waves in mid-infrared quantum cascade lasers under conventional optical feedback
... Quantum cascade lasers (QCLs) are optical sources exploiting radiative intersubband transitions within the conduction band of semiconductor heterostructures. 1 Mid-infrared QCLs have been thoroughly ...
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81 supra-THz beams generated by a Fourier grating and a quantum cascade laser
... 7 y.n.gan@sron.nl 8 j.r.gao@sron.nl Abstract: Large heterodyne receiver arrays (~100 pixel) allow astronomical instrumentations to map more area within limited space mission lifetime. One challenge is to generate ...
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Low-frequency fluctuations of a mid-infrared quantum cascade laser operating at cryogenic temperatures
... mid-infrared quantum cascade lasers operating under external optical feedback can output a chaotic dynamics through low-frequency fluctuations close to 77 ...that quantum cascade lasers are ...
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Ignition of quantum cascade lasers in a state of oscillating electric field domains
... 2018) Quantum cascade lasers (QCLs) are generally designed to avoid negative differential conductivity (NDC) in the vicinity of the operation point in order to prevent ...
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Mid-infrared reflectance spectroscopy of oil sands minerals based on tunable quantum cascade lasers
... Minerals play an important role in the oil sands extraction efficiency. It is thus important to assess the major mineral abundance in oil sands ores. This paper presents the application of tunable quantum ...
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Elastic strains at interfaces in InAs/AlSb multilayer structures for quantum cascade lasers
... The InAs/AlSb material system is very attractive for the development of quantum cascade lasers (QCLs), in particular due to the large conduction band discontinuity of 2.1 eV, ben- eficial for fabrication of ...
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