X
Search Filters
Format Format
Format Format
X
Sort by Item Count (A-Z)
Filter by Count
Journal Article (155) 155
Patent (38) 38
Conference Proceeding (24) 24
Magazine Article (6) 6
Book Chapter (5) 5
Publication (4) 4
Report (1) 1
more...
Subjects Subjects
Subjects Subjects
X
Sort by Item Count (A-Z)
Filter by Count
physics, applied (52) 52
quantum cascade lasers (34) 34
lasers (28) 28
electricity (26) 26
physics, condensed matter (24) 24
basic electric elements (21) 21
electric solid state devices not otherwise provided for (21) 21
semiconductor devices (21) 21
physics (20) 20
optics (17) 17
photoluminescence (16) 16
measuring (15) 15
measuring electric variables (15) 15
measuring magnetic variables (15) 15
testing (15) 15
analysis (13) 13
casings or constructional details of electric apparatus (13) 13
electric techniques not otherwise provided for (13) 13
manufacture of assemblages of electrical components (13) 13
printed circuits (13) 13
spectroscopy (13) 13
scattering (12) 12
engineering, electrical & electronic (11) 11
optical properties (11) 11
absorption (10) 10
general tagging of cross-sectional technologies spanning over several sections of the ipc (10) 10
general tagging of new technological developments (10) 10
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (10) 10
emission (9) 9
gallium arsenide (9) 9
geosciences, multidisciplinary (9) 9
materials science, multidisciplinary (9) 9
laser beams (8) 8
oceanography (8) 8
quantum-cascade lasers (8) 8
classical and quantum mechanics, general physics (7) 7
nanoscience & nanotechnology (7) 7
quantum-cascade laser (7) 7
research (7) 7
technical subjects covered by former us classification (7) 7
technical subjects covered by former uspc (7) 7
climate change mitigation technologies in the production orprocessing of goods (6) 6
computer simulation (6) 6
estuaries (6) 6
mirrors (6) 6
operation (6) 6
phonons (6) 6
sediment transport (6) 6
sediments (6) 6
semiconductor superlattices (6) 6
technologies or applications for mitigation or adaptation againstclimate change (6) 6
terahertz (6) 6
transitions (6) 6
transport (6) 6
usage (6) 6
condensed matter physics, superconductivity and superfluidity (5) 5
current density (5) 5
dynamics (5) 5
electric fields (5) 5
electric properties (5) 5
environmental sciences (5) 5
generation (5) 5
geography, physical (5) 5
heterostructures (5) 5
optical feedback (5) 5
power generation (5) 5
quantum wells (5) 5
rivers (5) 5
tuning (5) 5
astronomy (4) 4
classification (4) 4
detectors (4) 4
electrons (4) 4
evolution (4) 4
flocculation (4) 4
fluid mud (4) 4
frequency measurement (4) 4
gaas (4) 4
imaging (4) 4
index medicus (4) 4
luminescence (4) 4
mu-m (4) 4
performing operations (4) 4
quantenkaskadenlaser (4) 4
quantum theory (4) 4
sediment, suspended (4) 4
semiconductor materials (4) 4
spectrum analysis (4) 4
temperature (4) 4
transporting (4) 4
wells (4) 4
beams (3) 3
caribbean sea (3) 3
carrier transport (3) 3
cavity resonators (3) 3
chemical surface treatment (3) 3
chemistry (3) 3
cladding or plating by soldering or welding (3) 3
coating by vacuum evaporation, by sputtering, by ion implantationor by chemical vapour deposition, in general (3) 3
coating by vacuum evaporation, by sputtering, by ionimplantation or by chemical vapour deposition, in general (3) 3
more...
Language Language
Publication Date Publication Date
Click on a bar to filter by decade
Slide to change publication date range


Applied Physics Letters, ISSN 0003-6951, 03/2016, Volume 108, Issue 10, p. 102102
We have realized GaAs/AlAs quantum-cascade lasers operating at 4.75 THz exhibiting more than three times higher wall plug efficiencies than GaAs/Al0.25Ga0.75As... 
ALLOYS | PHYSICS, APPLIED | ALAS/GAAS | WALLS | LASERS | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS | TERNARY ALLOY SYSTEMS | CURRENT DENSITY | DIFFUSION BARRIERS | THRESHOLD CURRENT | LEAKAGE CURRENT | ALUMINIUM ARSENIDES | PROBABILITY | GALLIUM ARSENIDES | EFFICIENCY | VISIBLE RADIATION | LEAKS
Journal Article
NATURE CHEMICAL BIOLOGY, ISSN 1552-4450, 11/2019, Volume 15, Issue 11, pp. 1085 - 1085
Sensory photoreceptor proteins underpin light-dependent adaptations in nature and enable the optogenetic control of organismal behavior and physiology. We... 
DOMAIN | STRUCTURE REFINEMENT | PHOTORECEPTOR | BIOCHEMISTRY & MOLECULAR BIOLOGY | LENGTH | SIGNALING MECHANISM | PHOTOTROPIN | GENERATION | MACROMOLECULAR CRYSTALLOGRAPHY | MODEL | AUREOCHROME | Adaptations | Darkness | Signal transduction | Receptors | Nucleotide sequence | Light | Photoreceptors | Transduction | Ribonucleic acid--RNA | Gene expression | Crystal structure | Mammalian cells
Journal Article
Optics Express, ISSN 1094-4087, 07/2017, Volume 25, Issue 14, pp. 16282 - 16290
Terahertz (THz) quantum-cascade lasers (QCLs) are powerful radiation sources for high-resolution and high-sensitivity spectroscopy with a discrete spectrum... 
FREQUENCY COMBS | EMISSION | OPTICS
Journal Article
AIP Advances, ISSN 2158-3226, 05/2017, Volume 7, Issue 5, pp. 55201 - 055201-6
The dynamical tuning due to rear facet illumination of single-mode, terahertz (THz) quantum-cascade lasers (QCLs) which employ distributed feedback gratings... 
GRATINGS | NANOSCIENCE & NANOTECHNOLOGY | PHYSICS, APPLIED | MODULATION SPECTROSCOPY | WIRE-LASER | MATERIALS SCIENCE, MULTIDISCIPLINARY | Illumination | Holes | Continuous radiation | Quantum cascade lasers | Tuning | Fiber lasers | Luminance distribution | Light sources
Journal Article
IEEE Transactions on Terahertz Science and Technology, ISSN 2156-342X, 07/2015, Volume 5, Issue 4, pp. 539 - 545
Journal Article
Journal of Applied Physics, ISSN 0021-8979, 06/2016, Volume 119, Issue 21
We present scattering rates for electrons at longitudinal optical phonons within a model completely formulated in the Fourier domain. The total intersubband... 
Fourier transforms | Scattering | Phonons | Rational functions | Wave functions | Carrier density | Carrier transport | Heterostructures
Journal Article
Optics Express, ISSN 1094-4087, 11/2017, Volume 25, Issue 24, pp. 30203 - 30213
We report on real-time gas sensing with a terahertz quantum-cascade laser (QCL). The method is solely based on the modulation of the external cavity length,... 
SPECTROSCOPY | OPTICS
Journal Article
IEEE Transactions on Terahertz Science and Technology, ISSN 2156-342X, 11/2019, Volume 9, Issue 6, pp. 606 - 612
We report on a compact terahertz (THz) source based on a quantum-cascade laser (QCL). The source is intended for a local oscillator in a THz heterodyne... 
terahertz spectroscopy | Optical feedback | Space technology | Spectrscopy | Mirrors | Quantum cascade lasers | Quantum-cascade laser (QCL) | space technology | PHYSICS, APPLIED | OPTICS | ENGINEERING, ELECTRICAL & ELECTRONIC | Fine structure | Lasers | Active regions (lasers) | Atomic oxygen | Continuous radiation | Heterostructures
Journal Article
Optics Express, ISSN 1094-4087, 06/2016, Volume 24, Issue 13, pp. 13839 - 13849
We report on a high-spectral-resolution terahertz imaging system operating with a multi-mode quantum-cascade laser (QCL), a fast scanning mirror, and a... 
EXPLOSIVES | DRUGS | OPTICS
Journal Article
Applied Physics Letters, ISSN 0003-6951, 05/2016, Volume 108, Issue 19, p. 191106
GaAs-based terahertz quantum-cascade lasers (QCLs) are continuously tuned in their emission frequency by illuminating the rear facet with a near-infrared,... 
GALLIUM-ARSENIDE | N-TYPE | PHYSICS, APPLIED | ABSORPTION | MODULATION SPECTROSCOPY | GAAS | HEAT SINKS | HEAT | ILLUMINANCE | POTASSIUM 55 | LASERS | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS | OPERATION | GALLIUM ARSENIDES | GHZ RANGE | EMISSION | TUNING | PULSES
Journal Article
Journal of Applied Physics, ISSN 0021-8979, 04/2015, Volume 117, Issue 15
We present a self-consistent model for carrier transport in periodic semiconductor heterostructures completely formulated in the Fourier domain. In addition to... 
Carriers | Fourier transforms | Computer simulation | Scattering | Quantum cascade lasers | Carrier transport | Heterostructures
Journal Article
Continental Shelf Research, ISSN 0278-4343, 08/2014, Volume 85, pp. 1 - 8
Journal Article
IEEE Journal of Selected Topics in Quantum Electronics, ISSN 1077-260X, 07/2017, Volume 23, Issue 4, pp. 1 - 6
We study the influence of optical feedback on the frequency stability of terahertz (THz) quantum-cascade lasers (QCLs) by high-resolution heterodyne... 
heterodyne | Spectroscopy | Optical feedback | Power lasers | Quantum-cascade laser | terahertz | Laser feedback | Cavity resonators | Laser beams | Quantum cascade lasers | spectroscopy | PHYSICS, APPLIED | SELF-MIXING TECHNIQUE | DISTRIBUTED-FEEDBACK | OPTICS | RECEIVERS | REGIMES | ENGINEERING, ELECTRICAL & ELECTRONIC
Journal Article
Applied Physics Letters, ISSN 0003-6951, 11/2015, Volume 107, Issue 20, p. 202101
We report on the observation of an approximately linear reduction in the maximum operating temperature with an increasing emission frequency for terahertz... 
TERAHERTZ | PHYSICS, APPLIED | WAVE-GUIDES | PHONONS | DESIGN | LASERS | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS | ELECTRONS | RELAXATION | EMISSION | FREQUENCY DEPENDENCE | SCATTERING | PULSES
Journal Article
Journal of Sea Research, ISSN 1385-1101, 01/2014, Volume 85, pp. 104 - 115
Fine cohesive, suspended sediments appear in all estuarine environments in a predominately flocculated state. The transport and deposition of these flocs is... 
In-situ particle size | Primary particles size | Weser Estuary | Flocculation | LISST | Elbe Estuary | SEDIMENT TRANSPORT | MATTER | INSTRUMENT | DENSITY | TURBIDITY MAXIMUM | MARINE & FRESHWATER BIOLOGY | OCEANOGRAPHY | SETTLING VELOCITY | LISST-100 | FLOC | SIZE DISTRIBUTION | Estuaries | Sediment, Suspended
Journal Article
Applied Physics Letters, ISSN 0003-6951, 06/2014, Volume 104, Issue 23, p. 232106
Journal Article
No results were found for your search.

Cannot display more than 1000 results, please narrow the terms of your search.