high power quantum dot lasers
CMOS Integration of High Performance Quantum Dot Lasers For Silicon Photonics
... III-V lasers into the silicon photonic platform, such as wafer bonding, direct growth, butt coupling, ...InAs quantum dot (QD) lasers monolithically integrated with silicon waveguides and ...
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Ultrashort pulse generation from quantum dot semiconductor diode lasers
... with high values of reverse bias, at constant optical power. From the data of Chapter 3, a decrease rate of the order of -2ps/V is possible up to a certain value of reverse bias, while this rate becomes ...
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Determining the linewidth enhancement factor via optical feedback in quantum dot micropillar lasers
... output power in the presence of feedback can be explained by gain competition with the fundamental mode with orthogonal ...for high pump currents, which is accurately reproduced by the parameters-matched ...
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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 (QD) laser was de- veloped; however, there has been no distinct development or progress on quantum dot growth since then up till ...1.3-μm quantum dot laser ...
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Stochastic polarization switching induced by optical injection in bimodal quantum dot micropillar lasers
... In addition to measurements of the phase locking in Figs. 2(a) and 2(b) and the characterization of the emission dynamics in Figs. 2(c)-2(f), we investigate the spectral properties of the micropillar modes by means of a ...
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Externally-triggered activation and inhibition of optical pulsating regimes in quantum-dot mode-locked lasers
... optical power is high enough for the QDMLL to become injection-locked (phase-locked) to the external signal; hence switching its output from mode-locked (wide spectrum and pico- second pulsating output) to ...
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Investigation of monolithic passively mode locked quantum dot lasers with extremely low repetition frequency
... at high current compared with the repetition period and the fast increase of the gain when increasing the injection ...peak power, four modified lasers with higher threshold gains were ...peak ...
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Electrically pumped continuous-wave III–V quantum dot lasers on silicon
... in power, over the ageing test period of 3,100 hours, is observed, with most of the drop ...a high thermal conductivity heat-sink, and (iii) no facet coatings were ...
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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 lasers based on standard rate equations to study the effects of some important parameters on the performance of these ...current, quantum efficiency, output power, and frequency response and 3dB ...
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Dropout dynamics in pulsed quantum dot lasers due to mode jumping
... long lasers with high- and antireflection coatings on the rear and front facets lase either at the GS (around 1265 nm, 50 mA threshold at the pulsed pump) or simultaneously at the GS and ES (around 1190 nm, ...
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Mutual coupling and synchronization of optically coupled quantum dot micropillar lasers at ultra low light levels
... Figure 8a presents the experimental setup which is used to study the mutual coupling of micropillar lasers via symmetric paths. Emission of each microlaser is first collimated by an aspheric lens with significantly ...
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High power disk lasers: advantages and prospects
... of high-frequency modulation of the output from high-power laser sources is due to the regenerative ampli- fication of a small signal injected into the cavity of a high-power gas or ...
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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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High average power planar waveguide lasers
... with high-average-power broad-stripe diode ...to high- power diode bar/stack pumping owing to their high NA ...output power larger than 10W was obtained from the waveguide with a ...
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High power lasers and ecology of atmosphere (I)
... sufficiently high tension of field on the earth’s surface under the cloud—not less than 5 - 10 ...of lasers. Thus, powerful lasers are capable of organizing the extensive plasma cylinders in air, ...
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High order sideband generation in terahertz quantum cascade lasers
... Cascade Lasers (QCLs) are powerful intersub- band laser sources operating throughout the mid-infrared (MIR) 1 and terahertz (THz) 2 spectral ...offering high output powers, they also possess giant optical ...
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Properties of Buried Heterostructure Single Quantum Well (Al,Ga)As Lasers
... Abstract Unlike conventional semiconductor lasers, single quantum well SQW lasers with high reflectivity end facet coatings have dramatically reduced threshold currents as a result of th[r] ...
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Modeling of High Temperature GaN Quantum Dot Infrared Photodetectors
... Wang et al. have discussed temperature dependent behavior of the responsivity of InAs/GaAs quantum dot infrared photodetectors intelligently, in their excellent publication [4]. They have illustrated that ...
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High Efficiency, Low Power Consumption DFB Quantum Cascade Lasers Without Lateral Regrowth
... years, quantum cascade lasers (QCLs) have proven to be very efficient coherent light sources in the mid-infrared region with a wide variety of applications, such as trace gas sensing, high-resolution ...
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Testing quantum mechanics in non-Minkowski space-time with high power lasers and 4th generation light sources
... a high power laser, an FEL, as well as a long pulse high- energy laser beam are not currently available on a single end-station, suggestions for such a facility have been already put forward both at ...
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