quantum dot laser wavelength
Interference with a quantum dot single-photon source and a laser at telecom wavelength
... attenuated laser beam in a 96:4 single-mode fiber beam splitter (BS) made from standard telecom fiber (SMF- ...incident laser photons are then performed with a Hanbury Brown and Twiss setup 34 comprising a ...
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Quantum-Dot-Based Telecommunication-Wavelength Quantum Relay
... a quantum relay should not only be compatible with passive telecommunication-network infrastructures but also with standard (nonscientific-grade) telecommunication laser ...the laser-generated ...
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1300 nm wavelength InAs quantum dot photodetector grown on silicon
... In(Ga)As quantum dots on silicon [7] and Ge [8] substrates, to realize lasing at a wavelength of 1300 nm ...[9]. Quantum dots are expected to offer several advantages over the current approach of ...
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1300 nm wavelength InAs quantum dot photodetector grown on silicon
... In(Ga)As quantum dots on silicon [7] and Ge [8] substrates, to realize lasing at a wavelength of 1300 nm ...[9]. Quantum dots are expected to offer several advantages over the current approach of ...
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Photoelectric Properties of InAs/GaAs Quantum Dot Photoconductive Antenna Wafers
... The laser chip was mounted on a copper heatsink with its temperature controlled by a thermo-electric ...The laser was set up in a quasi-Littrow configuration, similar to that reported in ...the laser ...
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Resonance fluorescence from a telecom-wavelength quantum dot
... the two-level system does not fully saturate at the ac- cessible excitation powers [red curve in Fig. 2(d)]. We observe SBRs of < ∼ 3 [Fig. 2(e)], and suspect that back- ground counts are mainly due to scattering of ...
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Quantum dot cascade laser
... currents using Bruker Equinox 55 FTIR spectrometer. The spontaneous emissions at low drive currents display a full width at half maximum of 550 cm −1 (broad emis- sion spectrum spanning the wavelength range of 4.5 ...
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Time-resolved spectra of a self-pulsing quantum dot laser
... The laser with feedback also shows oscillations as evidenced in ...running laser and are centered around 1 ...on wavelength and is quite the same as in the free-running laser: Short pulses ...
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Elimination of Bimodal Size in InAs/GaAs Quantum Dots for Preparation of 1 3 μm Quantum Dot Lasers
... semiconductor quantum dot lasers have been improved with progress in active layer ...InAs quantum dots grown on GaAs had been intensively promoted in order to achieve quantum dot lasers ...
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Wavelength-tunable colloidal quantum dot laser on ultra-thin flexible glass
... Colloidal quantum dots (CQDs) are attractive nanomaterials for the fabrication of photonic ...emission wavelength can be tuned over a wide range by changing their size and/or ...
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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
... long wavelength semiconductor laser struc- tures, containing quantum dot layers (QDs), were investigated by means of tem- perature dependent current-voltage and electroluminescence ...
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The development of simulation model of carrier injection in quantum dot laser system
... the laser reaches steady state after about ...the laser would increase this finding is consistent with findings of past studies by ...the laser is saturated, and therefore by further increasing of ...
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Photon statistics excitation spectroscopy of a single two level system
... semiconductor quantum dot represents the two level system and is reso- nantly excited either with coherent laser light, or excited with chaotic light, with photon statistics corresponding to that of ...
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Wireless Optical Link for Discharge Warning System
... This research is intended to demonstrate how to measure received power level of optical link within the range of 1,5 km. The power received signal will determine error rate.Comparing with the received power theoritically ...
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Photon statistics excitation spectroscopy of a quantum dot micropillar laser
... We introduce photon-statistics excitation spectroscopy and exemplarily apply it to a quantum-dot micropillar laser. Both the intensity and the photon number statistics of the emission from the ...
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Synthesis with Different Se Concentrations and Optical Studies of CdSe Quantum Dots via Inverse Micelle Technique
... selenide quantum dots (CdSe QDs) are synthesized successfully without the use of trioctylphosphine (TOP) at various concentrations of selenium (Se) ...the quantum confinement ...
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Influence of Quantum Dot Structure on the Optical Properties of Group IV Materials Fabricated by Ion Implantation
... for quantum confinement and noted that models like linear com- bination of atomic orbitals and some DFT calculations do not show any shift in the VB and are closer to experiment, but they do not accurately predict ...
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Femtosecond Cr⁴⁺: forsterite laser for applications in telecommunications and biophotonics
... The quantum-well devices that had previously been grown for the 1300nm spectral region were discussed in Chapter ...InGaAs quantum wells [1, 2] or InP-based Bragg mirrors with InGaAsP quantum wells ...
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Financial Intermediation and Economic Growth: Bank Credit Maturity and Its Determinants
... The experimental spectral response of the detector in MWIR and LWIR regions is shown in Fig. 4.3 (a). There are two distinct peaks at 5.5 and 7.9 µm observed and these can be assigned to the transitions of electrons from ...
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Nonmechanical Infrared Beam Steering Using Blue Addressed Quantum Dot Doped Liquid Crystal Grating
... The blue addressed QD-LC phase plate is perfectly fabricated according the standard process of liquid crys- tal cell. Two ITO electrode coated fused silica were well pretreated after UV and DI water cleaning. After mech- ...
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