single quantum dot laser
Kroner, Martin (2008): Resonant photon-exciton interaction in semiconductor quantum dots. Dissertation, LMU München: Fakultät für Physik
... a quantum interference takes place between two competing optical pathways, one connecting the ground state and an excited discrete state, the other connecting the ground state with a ...a laser field ...
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Phonon-Assisted Population Inversion of a Single InGaAs/GaAs Quantum Dot by Pulsed Laser Excitation
... The blue line in Fig. 4(a) shows the theoretical values of the exciton population generated by the pump pulse, which excellently replicates the broadband feature ob- served at positive detuning. The lineshape of this ...
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Photon statistics excitation spectroscopy of a single two level system
... a single two level system. A single semiconductor quantum dot represents the two level system and is reso- nantly excited either with coherent laser light, or excited with chaotic ...
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The Role of Parameter Variations in the Static and Dynamic Characteristics of Quantum Dot Lasers by Using Circuit-Level Modeling
... QD laser, it is possible to have wide variety of different semiconductor ...QD laser, one important aspect of SAQD lasers is the carrier relaxation (phonon bottleneck ...of single dots have important ...
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Direct Photonic Coupling of a Semiconductor Quantum Dot and a Trapped Ion
... from single QDs is achieved using a confocal microscope with a 90∶10 beam splitter ...and laser scattering via a ...the laser scattering by a factor of 10 7 ...measured laser intensity ...
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Phonon-Assisted Population Inversion of a Single InGaAs/GaAs Quantum Dot by Pulsed Laser Excitation
... The blue line in Fig. 4(a) shows the theoretical values of the exciton population generated by the pump pulse, which excellently replicates the broadband feature ob- served at positive detuning. The lineshape of this ...
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Silicon based single quantum dot emission in the telecoms C‑band
... The long wavelength QD emission from the Si substrate sample (Figure 2b) is ~20 weaker in comparison to the GaAs sample. This is attributed to dislocations reaching the active region where they act as non-radiative ...
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An entangled-LED driven quantum relay over 1 km
... a single entangled photon pair when triggered, without detrimental additional ...tum dot nanostructures[30, 31], for which electrical in- jection schemes could be ...the laser and biexciton pulse ...
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Quantum dot single photon sources for entanglement enhanced interferometry
... the laser energy is set precisely in between the quantum dot (QD) spectral lines to hit the two-photon resonance of the biexciton ...scattered laser light from the ...excitation laser ...
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Photon statistics excitation spectroscopy of a quantum dot micropillar laser
... and single photon states are identified by g ð2Þ ð0Þ values of 2, 1, and 0, respectively, which corresponds to photons arriving in bunches, independent of each other or well separated from each other, respec- ...
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The development of simulation model of carrier injection in quantum dot laser system
... The inhomogeneous broadening of the discrete density states for self organized QD ensembles hampers detailed investigations of the excited state spectrum and of energy relaxation (and recombination) processes, which are ...
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Quantum frequency conversion of a quantum dot single photon source on a nanophotonic chip
... continuous-wave laser light. Here, we demonstrate true quantum frequency conversion of single-photon states pro- duced by a ...for quantum frequency-conversion applications, while also ...
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Wigner time delay induced by a single quantum dot
... diode laser and a weak non-resonant diode laser (λ = 785 nm) (not shown in ...non-resonant laser are superimposed using a fiber beam ...resonant laser can be temporally modulated using a fiber ...
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Cavity Enhancement of Single Quantum Dot Emission in the Blue
... of single photons emitted from the ...Ti:sapphire laser followed by a pulse-picker in order to reduce the repetition ...the laser to a spot of *1 ...
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Interference with a quantum dot single-photon source and a laser at telecom wavelength
... the single-photon source, superposed on the uncorrelated laser-laser and dot-laser pho- ton ...The single-photon coherence time s c ...
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Elimination of Bimodal Size in InAs/GaAs Quantum Dots for Preparation of 1 3 μm Quantum Dot Lasers
... 1.3-μm quantum dot laser, the bimodal-size of InAs quantum dots can be well eliminated through the single-layer annealing for the laser active ...higher quantum dot ...
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Conditioned spin and charge dynamics of a single electron quantum dot
... the quantum dot occur governed by a stochastic master equa- tion ...the dot, since the electron en- ters and leaves in different spin ...the quantum state and the physical parameters governing ...
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Investigation of Carrier Conduction Mechanism over InAs/InP Quantum Dashes and InAs/GaAs Quantum Dots Based p i n Laser Heterostructures
... semiconductor laser [10] ...for laser structures was the charge transfer mechanism ...the quantum well into QDashes in InAs/InP and then recombine within QDashes to emit a long wavelength ...
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Influence of Quantum Dot Structure on the Optical Properties of Group IV Materials Fabricated by Ion Implantation
... One must further consider the preparation technique, in and of itself, which affects the resulting PL through the introduction of defect states and/or varying interface states. For ex- ample, ion implantation introduces ...
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Wavelength-tunable colloidal quantum dot laser on ultra-thin flexible glass
... the laser, the corresponding ‘altered’ period, Λ’, is ...the laser is determined geometrically using ...the laser (CQD layer, epoxy grating and glass membrane), the period of the grating with (Λ’) ...
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