[PDF] Top 20 Electric field sampling of modelocked pulses from a quantum cascade laser
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Electric field sampling of modelocked pulses from a quantum cascade laser
... reference laser repetition rate ...the field emitted by the QCL is detected by evaluating the sampling coherence using the technique described in ...QCL field is synchronized to the reference ... See full document
9
Laser-seeding dynamics with few-cycle pulses: Maxwell-Bloch finite-difference time-domain simulations of terahertz quantum cascade lasers
... of laser seeding, however, is not limited to frequency ...a laser [4]. The sta- bilized laser was a quantum cascade laser (QCL) operating in the terahertz (THz) region of the ... See full document
7
Dynamics of a vertical cavity quantum cascade phonon laser structure
... evaporated from an alumina crucible to incorporate impurities in the film and raise the transition temperature to about 2 ...pump pulses of variable duration, t, from 10 ns to ...V, from 0 to ... See full document
6
Measuring the sampling coherence of a terahertz quantum cascade laser
... RF pulses bias the QCL along with a quasi-DC bias added with a bias tee ...seed pulses (generated from a photoconductive antenna [PC]) are coupled into a facet of the ...output from the ... See full document
9
Efficient prediction of terahertz quantum cascade laser dynamics from steady state simulations
... 3. From these data, an upper bound for the modulation bandwidth of the laser under various conditions can be determined—for example, to optimize bandwidth for short-range ... See full document
6
Quantum electrodynamics experiments with colliding Peta-Watt laser pulses
... femtosecond laser pulses, one needs to ensure the synchronization of the two focused pulses to better than the pulse ...colliding pulses in Astra Gemini PW Laser Facility (Section 4) ... See full document
8
The development and evaluation of airborne in situ N 2O and CH4 sampling using a quantum cascade laser absorption spectrometer (QCLAS)
... mid-infrared quantum cascade laser absorption spectrometer (QCLAS, Aerodyne Research ...airborne sampling, and evaluate its performance over 17 flights conducted during summer ... See full document
15
Photonic quasi-crystal terahertz lasers
... ring from the vertical and the 10-fold symmetry is not ...ring from the vertical with further weaker rings at larger angles, in qualitative agreement with the ... See full document
8
Optimisation of a colliding pulse modelocked dye laser
... of pulses in the CPM dye laser Miranda et ...colliding pulses in a saturable absorber jet typical of CPM ...CPM laser designs this is evidently not the ... See full document
366
Radiation emission from plasma oscillation
... particles, from an elementary physical point of view, electromagnetic radiation is expected to be emitted from ...huge electric fields without experiencing material ...ranges from 10 9 cm -3 ... See full document
6
Magnetic field effects on THz quantum cascade laser: A comparative analysis of three and four quantum well based active region design
... magnetic field values above 15T prevents fast depopulation of the upper laser state, either through the LO phonon or IR scattering mechanism, so the population inversion is easier to reach, therefore ... See full document
10
Fully phase-stabilized quantum cascade laser frequency comb
... based Quantum Cascade Laser combs (QCL-combs) are ideal candidates, in this respect, due to the unique possibility to tailor their spectral emission by proper nanoscale design of the quantum ... See full document
7
Line defect photonic crystal terahertz quantum cascade laser
... instead has similar LIV characteristics but quite di ff erent spectra, as shown in Fig. 6(c). The power from the back output was more than 5 times larger than the output from the front branch. The spectral ... See full document
9
Sample Grating Distributed Feedback Quantum Cascade Laser Array
... feedback quantum cascade laser (DFB-QCL) featuring narrow linewidth, high power, and simple fabrication process become extremely useful for spectroscopy [2, ... See full document
5
Dense relativistic electron mirrors from a Laguerre-Gaussian laser-irradiated micro-droplet
... eration from a micro-droplet driven by circularly- polarized Laguerre-Gaussian ...expelled from the droplet by the laser radial electric field and evolve into dense sheets after leaving ... See full document
5
Characterizing a Quantum Cascade Tunable Infrared Laser Differential Absorption Spectrometer (QC-TILDAS) for measurements of atmospheric ammonia
... The QC-TILDAS was compared with a modified Thermo 42CTL chemiluminescence instrument at Environment Canada’s Centre for Atmospheric Research Experiments (CARE) between 7 May and 18 July 2008. Ambient tem- peratures ... See full document
10
Terahertz sensing and imaging using a quantum cascade laser
... the laser linewidth enhancement factor, were all included in the parameter extraction process as free parameters of the ...obtained from the fitting process) has been indicated by vertical broken lines in ... See full document
5
Quantum dot cascade laser
... bias from the point of view of ...strain-compensated quantum cascade laser (QCL) wafers with the same processing and found that their photo- current is two or three orders of magnitude smaller ... See full document
7
Diode pumped femtosecond Tm3+ doped LuScO3 laser near 2 1 μm
... InGaAsSb quantum-well-based SESAM are ...limited pulses as short as 170 fs were generated at 2093 nm with an average output power of 113 mW and a pulse repeti- tion frequency of ... See full document
7
Electron-phonon relaxation rates and optical gain in a quantum cascade laser in a magnetic field
... the field of unipolar semiconductor quantum cascade lasers sQCLsd, which are very promising candidates for practical sources of radiation, particularly in the midinfrared spectral ... See full document
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