Search Results - "Massoubre, David"
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Visible-Light Communications Using a CMOS-Controlled Micro-Light- Emitting-Diode Array
Published in Journal of lightwave technology (01-01-2012)“…We report the high-frequency modulation of individual pixels in 8 × 8 arrays of III-nitride-based micro-pixellated light-emitting diodes, where the pixels…”
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2
Thermal and optical characterization of micro-LED probes for in vivo optogenetic neural stimulation
Published in Optics letters (15-03-2013)“…Within optogenetics there is a need for compact light sources that are capable of delivering light with excellent spatial, temporal, and spectral resolution to…”
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3
Modulation bandwidth studies of recombination processes in blue and green InGaN quantum well micro-light-emitting diodes
Published in Applied physics letters (04-03-2013)“…We report modulation bandwidth measurements on a number of InGaN-based quantum well LEDs emitting at 450 and 520 nm wavelengths. It is shown that for these…”
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4
High-Speed Visible Light Communications Using Individual Pixels in a Micro Light-Emitting Diode Array
Published in IEEE photonics technology letters (15-09-2010)“…The high-frequency modulation of individual pixels in III-nitride-based micro-pixel light-emitting diode arrays, where each array consists of 16 × 16…”
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5
Micro-LED pumped polymer laser: A discussion of future pump sources for organic lasers
Published in Laser & photonics reviews (01-11-2013)“…Optical pumping conditions for organic solid‐state lasers (OSLs) are discussed with particular emphasis on the use of gallium nitride based light‐emitting…”
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All-Optical Reshaping Based on a Passive Saturable Absorber Microcavity Device for Future 160-Gb/s Applications
Published in IEEE photonics technology letters (01-01-2007)“…A vertical-access passive all-optical switching gate has been used to regenerate the zero levels of a "...01010101..." 160-Gb/s bit pattern at 1561 nm…”
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7
Active-Matrix GaN Micro Light-Emitting Diode Display With Unprecedented Brightness
Published in IEEE transactions on electron devices (01-06-2015)“…Displays based on microsized gallium nitride light-emitting diodes possess extraordinary brightness. It is demonstrated here both theoretically and…”
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1.5 Gbit/s Multi-Channel Visible Light Communications Using CMOS-Controlled GaN-Based LEDs
Published in Journal of lightwave technology (15-04-2013)“…An on-chip multi-channel visible light communication (VLC) system is realized through a blue (450 nm) GaN-based micron-size light-emitting diode (μLED) array…”
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9
Vertically Conductive Single-Crystal SiC-Based Bragg Reflector Grown on Si Wafer
Published in Scientific reports (25-11-2015)“…Single-crystal silicon carbide (SiC) thin-films on silicon (Si) were used for the fabrication and characterization of electrically conductive distributed Bragg…”
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10
Effect of SiC-on-Si template residual stress on GaN residual stress and crystal quality
Published in Physica Status Solidi. B: Basic Solid State Physics (01-05-2016)“…The thermal expansion coefficient mismatch between GaN and SiC is lower than between GaN and Si. However it is usually observed that GaN on SiC/Si templates…”
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11
Optoelectronic tweezers system for single cell manipulation and fluorescence imaging of live immune cells
Published in Optics express (27-01-2014)“…A compact optoelectronic tweezers system for combined cell manipulation and analysis is presented. CMOS-controlled gallium nitride micro-LED arrays are used to…”
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12
Sub-Micron Lithography Using InGaN Micro-LEDs: Mask-Free Fabrication of LED Arrays
Published in IEEE photonics technology letters (15-12-2012)“…The fabrication of gallium-nitride (GaN)-based light-emitting diode (LED) arrays by a direct writing technique, itself using micron-sized LEDs (micro-LEDs), is…”
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13
Silicon etching using only Oxygen at high temperature: An alternative approach to Si micro-machining on 150 mm Si wafers
Published in Scientific reports (04-12-2015)“…Using a combination of low-pressure oxygen and high temperatures, isotropic and anisotropic silicon (Si) etch rates can be controlled up to ten micron per…”
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14
Miniaturized optoelectronic tweezers controlled by GaN micro-pixel light emitting diode arrays
Published in Optics express (31-01-2011)“…A novel, miniaturized optoelectronic tweezers (OET) system has been developed using a CMOS-controlled GaN micro-pixelated light emitting diode (LED) array as…”
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15
Individually Addressable AlInGaN Micro-LED Arrays With CMOS Control and Subnanosecond Output Pulses
Published in IEEE photonics technology letters (15-06-2009)“…We report the fabrication and characterization of an ultraviolet (370 nm) emitting AlInGaN-based micro-light- emitting diode (micro-LED) array integrated with…”
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16
Inkjet-printed silver nanoparticle electrodes on GaN-based micro-structured light-emitting diodes
Published in Applied physics. A, Materials science & processing (01-09-2011)“…Silver nanoparticle ink has been inkjet printed onto inorganic GaN-based micro-structured light-emitting diodes to form narrow conductive tracks with a width…”
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17
Fabrication and characterisation of microscale air bridges in conductive gallium nitride
Published in Applied physics. A, Materials science & processing (01-08-2009)“…Fabrication and electrical characterisation of microscale air bridges consisting of GaN heavily doped with silicon is described. These were made from…”
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18
Nanofabrication of gallium nitride photonic crystal light-emitting diodes
Published in Microelectronic engineering (01-11-2010)“…We describe a comparison of nanofabrication technologies for the fabrication of 2D photonic crystal structures on GaN/InGaN blue LEDs. Such devices exhibit…”
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19
Analysis of thermal limitations in high-speed microcavity saturable absorber all-optical switching gates
Published in Journal of lightwave technology (01-09-2006)“…The limitations owing to device heating and thermo-optic effects in high-speed quantum-well microcavity saturable absorber devices are investigated both…”
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20
Cascadability assessment of a 2R regenerator based on a saturable absorber and a semiconductor optical amplifier in a path switchable recirculating loop
Published in IEEE photonics technology letters (01-06-2006)“…We assess a new 2R regenerator based on a microcavity saturable absorber and a semiconductor optical amplifier. Cascadability is demonstrated and the impact of…”
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