Articles with "surface emitting" as a keyword



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InGaAs quantum well based dual-wavelength external cavity surface emitting laser for wideband tunable mid-infrared difference frequency generation

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Published in 2018 at "Journal of Luminescence"

DOI: 10.1016/j.jlumin.2018.08.063

Abstract: Abstract A two-chip vertical external cavity surface emitting laser with dual- wavelength output is presented. The active region of gain chip 1, designed for 960 nm wavelength, is composed of 6 repeats of strain uncompensated In0.185Ga0.815As/… read more here.

Keywords: surface emitting; quantum; cavity surface; dual wavelength ... See more keywords
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Study and Application of Birefringent Nanoporous GaN in the Polarization Control of Blue Vertical-Cavity Surface-Emitting Lasers

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Published in 2021 at "ACS Photonics"

DOI: 10.1021/acsphotonics.1c00211

Abstract: III-Nitride vertical-cavity surface-emitting lasers (VCSELs) have attracted much attention during the last two decades. Control of the laser polarization in VCSELs is one of the main challenges tha... read more here.

Keywords: surface emitting; emitting lasers; cavity surface; vertical cavity ... See more keywords
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Fundamental transverse mode operation of a type-II vertical-external-cavity surface-emitting laser at 1.2 µm

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Published in 2017 at "Electronics Letters"

DOI: 10.1049/el.2016.3732

Abstract: The modal properties of a novel vertical-external-cavity surface-emitting laser with (GaIn)As/Ga(AsSb)/(GaIn)As type-II quantum wells are analysed. The device, emitting at a wavelength around 1175 nm, is operated in TEM00 mode and optimised for a high… read more here.

Keywords: surface emitting; emitting laser; vertical external; cavity surface ... See more keywords
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Stretchable, skin-conformal microscale surface-emitting lasers with dynamically tunable spectral and directional selectivity

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Published in 2019 at "Applied Physics Letters"

DOI: 10.1063/1.5080947

Abstract: Coherent, monochromatic light sources that can intimately integrate with human body and yet offer state-of-the-art optoelectronic performance will create new opportunities in wearable and implantable electronics for a wide range of applications from personalized health… read more here.

Keywords: surface emitting; emitting lasers; spectral directional; surface ... See more keywords
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High power edge-cum-surface emitting terahertz laser arrays phased locked by vacuum guided plasmon waves

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Published in 2020 at "Applied Physics Letters"

DOI: 10.1063/1.5142860

Abstract: Terahertz semiconductor quantum-cascade lasers (QCLs) are widely implemented with metallic cavities that support low-loss plasmonic optical modes at long wavelengths. However, resonant optical modes in such cavities suffer from poor radiative characteristics due to their… read more here.

Keywords: surface emitting; metallic cavities; power; vacuum ... See more keywords
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Room-temperature operation of c-plane GaN vertical cavity surface emitting laser on conductive nanoporous distributed Bragg reflector

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Published in 2020 at "Applied Physics Letters"

DOI: 10.1063/5.0012281

Abstract: Technological feasibility of III-nitride vertical cavity surface emitting laser (VCSEL) has been hindered by the lack of an electrically conductive, easily manufacturable, wide reflection stop band distributed Bragg reflector (DBR). Here, we present the first… read more here.

Keywords: surface emitting; emitting laser; cavity surface; distributed bragg ... See more keywords
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Improved Thermal Property of strained InGaAlAs/AlGaAs Quantum Wells for 808nm Vertical Cavity Surface Emitting Lasers

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Published in 2021 at "Chinese Physics B"

DOI: 10.1088/1674-1056/ac16d0

Abstract: 808nm vertical cavity surface emitting lasers (VCSEL) with strained In0.13Ga0.75Al0.12As/Al0.3Ga0.7As quantum wells are designed and fabricated. Compared to the VCSELs with Al0.05Ga0.95As/Al0.3Ga0.7As quantum wells, the VCSELs with strained In0.13Ga0.75Al0.12As/Al0.3Ga0.7As quantum wells are demonstrated exhibiting higher… read more here.

Keywords: vertical cavity; quantum wells; surface emitting; 808nm vertical ... See more keywords
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Reliability Analysis of Vertical Cavity Surface-Emitting Lasers Based on the Gamma Process

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Published in 2020 at "IEEE Access"

DOI: 10.1109/access.2020.2965625

Abstract: Due to the long life and high reliability of vertical cavity surface-emitting lasers, the performance degradation experiment cost is high, and the experiment cycle is long, because the degradation failure process of a semiconductor laser… read more here.

Keywords: process; vertical cavity; surface emitting; reliability ... See more keywords
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Optically-Fed 5GHz Patch Antennas Excited by Vertical-Cavity Surface-Emitting Lasers

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Published in 2021 at "Journal of Lightwave Technology"

DOI: 10.1109/jlt.2021.3107197

Abstract: This paper describes a compact and low cost optically fed antenna for using as a receiver in 5G cellular networks and in distributed antenna systems. It compares the performance of two different topologies of patch… read more here.

Keywords: surface emitting; cavity surface; patch; optically fed ... See more keywords
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Mode Engineering in Linear Coherently Coupled Vertical-Cavity Surface-Emitting Laser Arrays

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Published in 2019 at "IEEE Journal of Selected Topics in Quantum Electronics"

DOI: 10.1109/jstqe.2019.2950799

Abstract: The supermode tuning of coherent 3 × 1 vertical-cavity surface-emitting laser arrays are characterized and simulated. The array elements are resonantly tuned to achieve coherent operation using selective current injection. Depending on the electrical bias, multiple… read more here.

Keywords: emitting laser; vertical cavity; laser arrays; surface emitting ... See more keywords
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Surface-emitting distributed feedback laser based on high-order gratings.

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Published in 2019 at "Applied optics"

DOI: 10.1364/ao.58.005443

Abstract: This paper reports a surface-emitting (SE) distributed feedback laser based on high-order surface gratings. The proposed device not only retains the advantages of edge-emitting lasers such as excellent single-mode property, high internal quantum efficiency, and… read more here.

Keywords: emitting distributed; feedback laser; distributed feedback; laser based ... See more keywords