Our publications
2019
Multispectral time-of-flight imaging using light-emitting diodes
A. Griffiths et al., Optics Express, Vol. 27, p35485-35498 (2019).
On-chip GaN-based dual-color micro-LED arrays and their application in visible light communication
J. Correia Carreira et al., Optics Express, Vol. 27, pA1517-1528 (2019).
Scalable visible light communications with a micro-LED array projector and high-speed smartphone camera
A. Griffiths et al., Optics Express, Vol. 27, Issue 11, p15585-15594 (2019)
Ultra-Low Cost High-Density Two-Dimensional Visible-Light Optical Interconnects
N. Bamiedakis et al., Journal of Lightwave Technology, Vol. 37, Issue 13, (2019). https://doi.org/10.1109/JLT.2019.2914310
1 Gbps free-space deep ultraviolet communications based on III-nitride micro-LEDs emitting at 262 nm
X. He et al., Photonics Research, Vol. 7, pB41-B47 (2019). https://doi.org/10.1364/PRJ.7.000B41
High-speed visible light communication based on a III-nitride series-biased micro-LED array
E. Xie et al., Journal of Lightwave Technology, Vol. 37, Issue 4, (2019). https://doi.org/10.1109/JLT.2018.2889380
Neural network based joint spatial and temporal equalization for MIMO-VLC system
S. Rajbhandari et al., IEEE Photonics Technology Letter, Vol. 31, Issue 11, (2019).
2018
Transfer-printed micro-LED and polymer-based transceiver for visible light communications
K. Rae et al., Optics Express, Vol. 26, Issue 24, P31474, (2018).
Thin film diamond membranes bonded on-demand with SOI ring resonators
P. Hill et al., Diamond and Related Materials, Vol. 88, P215-221 (2018)
Hybrid integration of an evanescently coupled AlGaAs micro-disk resonator with a silicon waveguide by nanoscale-accurate transfer printing
B. Guilhabert et al., Optics Letters, Vol. 43, Issue 20, P4883-4486, (2018)
Temporal encoding to reject background signals in a low complexity, photon counting communication link
A. Griffiths et al., Materials, Vol. 11, P1671 (2018)
High accuracy transfer printing of single-mode membrane silicon photonic devices
J. McPhillimy et al., Optics Express, Vol. 26, Issue 13 P16679-16688 (2018) https://doi.org/10.1364/OE.26.016679
Positioning and data broadcasting using illumination pattern sequences displayed by LED arrays
J. Herrnsdorf et al., IEEE Transactions on Communications, (in press),
The impact of solar irradiance on visible light communications
M.S. Islim et al., Journal of Lightwave Technology, Vol. 36, Issue 12, P2376-2386, (2018). http://dx.doi.org/10.1109/JLT.2018.2813396
Flexible glass hybridized colloidal quantum dots for Gb/s visible light communications
C. Foucher et al., IEEE Photonics Journal, Vol. 10, Issue 1,
2017
Design, fabrication and application of GaN-based micro-LED arrays with individual addressing by N-electrodes
E Xie et al., IEEE Photonics Journal, Vol. 9, Issue 6, 7907811, (2017).
Gb/s visible light communications with colloidal quantum dot color converters
M Leitao et al., IEEE Journal of Selected Topics in Quantum Electronics, Vol 23., Issue 5, P1900810 (2017).
A multi-gigabit/sec integrated multiple input multiple output visible light communication demonstrator
S. Rajbhandari et al., Journal of Lightwave Technology, Vol. 35, Issue 20, P4358 - 4365 (2017).
InGaN micro-LEDs integrated onto colloidal quantum dot functionalised ultra-thin glass
K. Rae et al., Optics Express, Vol. 25, Issue 16, P19179-19184 (2017). http://dx.doi.org/10.1364/OE.25.019179
Towards 10 Gb/s OFDM-based visible light communication using a GaN violet micro-LED
M.S. Islim et al., Photonics Research, Vol. 5, Issue 2, A35-A43 (2017). http://dx.doi.org/10.1364/PRJ.5.000A35
Gb/s visible light communications with colloidal quantum dot color converters
M.F. Leitao et al., IEEE Journal of Selected Topics in Quantum Electronics,Vol. 23, Issue 5 (2017).
CMOS-integrated GaN LED array for discrete power level stepping in visible light communications
Alexander D. Griffiths et al., Optics Express, Vol 25, issue 8 (2017).
Positioning and space-division multiple access enabled by structured illumination with light-emitting diodes
J. Herrnsdorf et al., Journal of Lightwave Technology, accepted/in press (2017).
Fluorene-containing tetraphenylethylene molecules as lasing materials
C. Orofino et al., Journal of Polymer Science Part A: Polymer Chemistry, Vol. 55, Issue 4, P734-746 (2017). http://dx.doi.org/10.1002/pola.28421
Characteristics of GaN-based light emitting diodes with different thicknesses of buffer layer grown by HVPE and MOCVD
P. Tian et al., Journal of Physics D: Applied Physics, Vol. 50, Number 7, 075101 (2017).
A review of Gallium Nitride LEDs for multi-gigabit-per-second visible light data communications
S. Rajbhandari et al., Semiconductor Science and Technology, Vol. 32, p023001 (2017).
2016
High-Speed Integrated Digital to Light Converter for Short Range Visible Light Communication
A.V.N. Jalajakumari et al., IEEE Photonics Technology Letters, Vol. 29, p118-121 (2016).
High bandwidth GaN-based micro-LEDs for multi-Gbps visible light communications
R.X.G. Ferreira et al., IEEE Photonics Technology Letters, Vol. 28, Issue 19, p. 2023-2026 (2016). http://dx.doi.org/10.1109/LPT.2016.2581318
Visible light communication using InGaN optical sources with AlInGaP nanomembrane downconverters
J.M.M. Santos et al., Optics Express, Vol 24, Issue 9, p10020-10029 (2016). http://dx.doi.org/10.1364/OE.24.010020
LED based wavelength division multiplexed 10 Gb/s visible light communications
H. Chun et al., Journal of Lightwave Technology, Vol 34., Issue 13, p3047 (2016). http://dx.doi.org/10.1109/JLT.2016.2554145
Transfer printing of semiconductor nanowires with lasing emission for controllable nanophotonic device fabrication
B. Guilhabert et al., ACS Nano, Vol 10, Issue 4, pp 3951-3958 (2016). http://dx.doi.org/10.1021/acsnano.5b07752
Wireless Visible Light Communications Employing Feed-Forward Pre-Equalization and PAM-4 Modulation
X. Li et al., Journal of Lightwave Technology, Vol. 34, Issue 8, pp 2049-2055 (2016).
Control of edge bulge evolution during photoresist reflow and its application to diamond micro-lens fabrication
H. Liu et al, Journal of Vacuum Science and Technology B: Nanotechnology and Microelectronics, Vol 34, Issue 2 (2016). http://dx.doi.org/10.1116/1.4943558
CdSxSe1-x/ZnS semiconductor nanocrystal laser with sub 10kW/cm2 threshold and 40nJ emission output at 600 nm
L.J. McLellan et al., Optics Express, Vol. 24, Issue 2, pp. A146-A153 (2016).
Large radius of curvature micro-lenses on single crystal diamond for application in monolithic diamond Raman lasers
H. Liu et al., Diamond and Related Materials, Vol. 65, P 37-41 (2016).
Fabrication, characterization and applications of flexible vertical InGaN micro-light emitting diode arrays
P. Tian et al., Optics Express, Vol. 24, Issue 1, pp 699-707 (2016).
Organic Semiconductor Laser Biosensor: Design and Performance Discussion
A-M. Haughey et al., IEEE Journal of Selected Topics in Quantum Electronics, Vol. 22, Issue 1, P 1-9 (2016). http://dx.doi.org/10.1109/JSTQE.2015.2448058
RGB and white-emitting organic lasers on flexible glass
C Foucher et al., Optics Express, Vol 24, Issue 3, P2273-2280 (2016).
2015
High-Speed Integrated Visible Light Communication System : Device Constraints and Design Considerations
S. Rajbhandari et al., IEEE Journal on Selected Areas in Communications, Vol 33., Issue 9, PP 1750-1757 (2015).
渭LED-Based Single-Wavelength Bi-directional POF Link With 10 Gb/s Aggregate Data Rate
X. Li et al., Journal of Lightwave Technology, Vol. 33, Issue 17, PP 3571-3576 (2015).
Hole transport assisted by the piezoelectric field in In0.4Ga0.6N/GaN quantum wells under electrical injection
S. Zhang et al., Journal of Applied Physics, Vol. 118, P 125709 (2015). http://dx.doi.org/10.1063/1.4931575
Ultralow-threshold up-converted lasing in oligofluorenes with tailored strong nonlinear absorption
B. Guzelturk et al., Journal of Materials Chemistry C, Vol. 3, Issue 46, PP 12018-12025 (2015). http://dx.doi.org/10.1039/C5TC02247A
Diode-pumped, mechanically-flexible polymer DFB laser encapsulated by glass membranes
C. Foucher et al., Optics Express, Vol. 22, Issue 20, PP 24160-24168 (2015).
Heterogeneous integration of gallium nitride light-emitting diodes on diamond and silica by transfer printing
A.J. Trindade et al., Optics Express, Vol. 23, Issue 7, PP 9329 (2015). http://dx.doi.org/10.1364/OE.23.009329
Hybrid GaN LED with capillary-bonded II 鈥� VI MQW color-converting membrane for visible light communications
J.M.M. Santos et al., Semiconductor Science and Technology, Vol. 30, Issue 3, PP 035012 (2015). http://dx.doi.org/10.1088/0268-1242/30/3/035012
Active-Matrix GaN Micro Light-Emitting Diode Display With Unprecedented Brightness
J. Herrnsdorf et al., IEEE Transactions on Electron Devices, Vol. 62, Issue 6, pp 1918-1925 (2015).
2014
Visible Light Communication Using a Blue GaN 碌LED and Fluorescent Polymer Color Converter
H. Chun et al., IEEE Photonics Technology Letters, Vol. 26, Issue 20, PP 2035-2038 (2014).
Hybrid organic semiconductor lasers for bio-molecular sensing
A-M. Haughey et al., Faraday Discussions, Vol 174, P 369-381 (2014).
Size-dependent capacitance study on InGaN-based micro-light-emitting diodes
W. Yang et al., Journal of Applied Physics, Vol 116, p044512 (2014). http://dx.doi.org/10.1063/1.4891233
Temperature-dependent efficiency droop of blue InGaN micro-light emitting diodes
P. Tian et al., Applied Physics Letters, Vol 105, p171107 (2014). http://dx.doi.org/10.1063/1.4769835
Planar micro- and nano-patterning of GaN light-emitting diodes: Guidelines and limitations
J. Herrnsdorf et al., Journal of Applied Physics, Vol 115, p084503 (2014). http://dx.doi.org/10.1063/1.4866496
Characteristics and applications of micro-pixelated GaN-based light emitting diodes on Si substrates
P. Tian et al., Journal of Applied Physics, Vol 115, issue 3, p033112 (2014). http://dx.doi.org/10.1063/1.4862298
An oligofluorene truxene based distributed feedback laser for biosensing applications
A-M. Haughey et al., Biosensors and Bioelectronics, Vol. 54, P679-686 (2014).
A 3 Gb/s Single-LED OFDM-based Wireless VLC Link Using a Gallium Nitride 碌LED
D. Tsonev et al., IEEE Photonics Technology Letters, Vol 26, issue 7, p637 - 640 (2014). http://dx.doi.org/10.1109/LPT.2013.2297621
Wavelength-tunable colloidal quantum dot laser on ultra-thin flexible glass
C. Foucher et al., Applied Physics Letters, Vol. 104, Issue 14, P141108 (2014).
Nanosecond colloidal quantum dot lasers for sensing
B. Guilhabert et al., Optics Express, Vol. 22, Issue 6, P 7308-7319 (2014).
Optoelectronic tweezers system for single cell manipulation and fluorescence imaging of live immune cells
A. Jeorrett et al., Optics Express, Vol 22, issue 2, pp.1372-1380 (2014). http://dx.doi.org/10.1364/OE.22.001372
Micro-structured light emission from planar InGaN light-emitting diodes
D. Massoubre et al., Semicond. Sci. Technol., Vol 29 p015005 (2014).
Nanoscale-accuracy transfer printing of ultra-thin AlInGaN light-emitting diodes onto mechanically flexible substrates
A.J. Trindade et al., Applied Physics Letters, Vol 103, pp 253302 (2013).
Micro-LED pumped polymer laser: A discussion of future pump sources for organic lasers
J. Herrnsdorf et al., Laser & Photonics Reviews, Vol 7, issue 6, pp 1065-1078 (2013).
An organic semiconductor laser based on star-shaped truxene-core oligomers for refractive index sensing
A.-M. Haughey et al., Sensors and Actuators B: Chemical, Vol 185, pp 132-139 (2013). http://dx.doi.org/10.1016/j.ccr.2012.10.020
Metal organic vapour phase epitaxy of AlN, GaN, InN and their alloys: A key chemical technology for advanced device applications
I. M. Watson, Coordination Chemistry Reviews, Vol 257, pp 2120-2141 (2013). http://dx.doi.org/10.1016/j.ccr.2012.10.020
Thermal and optical characterization of micro-LED probes for in vivo optogenetic neural stimulation.
N. McAlinden et al., Optics Letters, Vol 38, No. 6, pp 922-924 (2013). http://dx.doi.org/10.1364/OL.38.000992
Modulation bandwidth studies of recombination processes in blue and green InGaN quantum well micro-light-emitting diodes
R. P. Green et al., Applied Physics Letters, Vol 102, No. 9, pp 091103 (2013). http://dx.doi.org/10.1063/1.4794078
1.5 Gbit/s Multi-Channel Visible Light Communications Using CMOS-Controlled GaN-Based LEDs
S. Zhang et al., Journal of Lightwave Technology, Vol 31, No. 8, pp 1211-1216 (2013).
2012
Size-dependent efficiency and efficiency droop of blue InGaN micro-light emitting diodes
P. Tian et al., Applied Physics Letters, Vol 101, pp.231110 (2012).
Sub-Micron Lithography Using InGaN Micro-LEDs: Mask-Free Fabrication of LED Arrays
B. Guilhabert et al. IEEE Photonics Technology Letters, Vol 24, No. 24, pp 2221-2224.
Hybrid organic/GaN photonic crystal light-emitting diode
J. Herrnsdorf et al., Applied Physics Letters, Vol 101, No. 14, pp.141122 (2012).
Stripe Excitation of High Gain Media With Disorder
J. Herrnsdorf et al., IEEE Journal of Quantum Electronics, Vol 48, No. 9, pp.1184 - 1192 (2012).
CMOS-controlled color-tunable smart display
S. Zhang et al., IEEE Photonics Journal, Vol 4, No. 5, pp. 1639-1646 (2012).
Strain relaxation in InGaN/GaN micro-pillars evidenced by high resolution cathodoluminescence hyperspectral imaging
E. Y. Xie et al., Journal of Applied Physics, Vol 112, No. 1, (2012).
Modification of emission wavelength in organic random lasers based on photonic glass
Y Chen et al., Organic Electronics Vol 13, No. 7, pp. 1129-1135 (2012).
Mechanically flexible organic semiconductor laser array
B. Guilhabert et al., IEEE Photonics Journal, Vol 4, No. 3, pp. 684-690 (2012).
Colloidal quantum dot nanocomposites for visible wavelength conversion of modulated optical signals
N. Laurand et al., Optical Materials, Vol 2, No. 3, pp. 250-260 (2012).
Visible-light communications using a CMOS-controlled micro-light-emitting-diode array
J.J.D. McKendry et al., Journal of Lightwave Technology, Vol 30, No. 1, pp. 61-67 (2012).
Generation of primary hepatocyte microarrays by piezoelectric printing
A. Zarowna-Dabrowska et al., Colloids and Surfaces B: Biointerfaces, Vol 89, pp. 126-132 (2012).
Electrical, spectral and optical performance of yellow-green and amber micro-pixelated InGaN light-emitting diodes
Z. Gong et al., Semiconductor Science and Technology, Vol 27, No. 1, (2012).
2011
Flexible distributed-feedback colloidal quantum dot laser
Y. Chen et al., Applied Physics Letters. Vol 99, No. 24, pp. 1069 (2011).
Dip-pen nanolithography of nanostructured oligofluorene truxenes in a photo-curable host matrix
A. Hernandez- et al., Journal of Materials Chemistry, Vol 21, No. 37, pp. 14209-14212 (2011).
Novel ultra-portable explosives sensor based on a CMOS fluorescence lifetime analysis micro-system
Y. Wang et al., AIP Advances, Vol 1, No. 3, pp. 032115 (2011).
Inkjet printed conductive silver tracks applied to GaN-based microstructured light emitting diodes
M. Wu et al., Applied Physics A: Materials Science and Processing, Vol 104, No. 4, pp. 1003-1009 (2011).
Emission characteristics of photonic crystal light-emitting diodes
A.Z. Khokhar et al., Applied Optics, Vol 50, No. 19, pp. 3233-3239 (2011).
InGaN micro-pixellated light-emitting diodes with nano-textured surfaces and modified emission profiles
Z. Gong et al., Applied Physics A: Materials Science and Processing, Vol 103, No. 2, pp. 389-393 (2011).
Colloidal quantum dot random laser
Y. Chen et al., Optics Express, Vol 19, No. 4, pp. 2996-3003 (2011).
Miniaturized optoelectronic tweezers controlled by GaN micro-pixel light emitting diodes
A. Zarowna-Dabrowska et al., Optics Express, Vol 19, No. 3, pp. 2720-2728 (2011).
Laser action in a surface-structured free-standing membrane based on a 蟺-conjugated polymer-composite
Y. Chen et al., Organic Electronics, Vol 12, No. 1, pp. 62-69 (2011).
2010
Flexible blue-emitting encapsulated organic semiconductor DFB laser
J. Herrnsdorf et al., Optics Express, Vol 18, No. 25, pp. 25535-25545 (2010).
A vertically integrated CMOS microsystem for time-resolved fluorescence analysis
B.R. Rae et al., IEEE Transactions on Biomedical Engineering, Vol 4, No. 6, pp. 437-444 (2010).
Nanofabrication of gallium nitride photonic crystal light-emitting diodes
A.Z. Khokhar et al., Microelectronic Engineering, Vol 87, No. 11, pp. 2200-2207 (2010).
High-speed visible light communications using individual pixels in a micro light emitting diode array
J. McKendry et al., IEEE Photonics Technology Letters, Vol 22, No. 18, pp. 1346-1348 (2010).
Diamond double-sided microlenses and reflection gratings
C.L. Lee et al.,, Optical Materials, Vol 32, No. 9, pp. 1123-1129 (2010).
Amplified spontaneous emission in free-standing membranes incorporating star-shaped monodisperse 蟺-conjugated truxene oligomers
B. Guilhabert et al., Journal of Optics, Vol 12, No. 3, (2010).
High reflectivity GaN/Air vertical distributed Bragg reflectors fabricated by wet etching of sacrificial AllnN layers
C. Xiong et al., Semiconductor Science and Technology, Vol 25, No. 3, pp. 032001-032006 (2010).
Size-dependent light output, spectral shift, and self-heating of 400nm InGaN light-emitting diodes
Z. Gong et al., Journal of Applied Physics, Vol 107, No. 1, pp. 013103 (2010).
Fabrication and spectroscopy of GaN microcavities made by epitaxial lift-off
C. Xiong et al., Superlattices and Microstructures Vol 47, No. 1, pp. 129-133 (2010).
2009
Maskless ultraviolet photolithography based on CMOS-driven micro-pixel light emitting diodes
D. Elfstr枚m et al., Optics Express, Vol 17, No. 26, pp. 23522-23529 (2009).
A CMOS time-resolved fluorescence lifetime analysis micro-system
B.Rae et al., Sensors, Vol 9, No. 11, pp. 9255-9274 (2009).
Hybrid GaN/organic microstructured light-emitting devices via ink-jet printing
M. Wu et al., Optics Express, Vol 17, No. 19, pp. 16436-16443 (2009).
Fabrication and characterisation of microscale air bridges in conductive gallium nitride
C. Xiong et al., Applied Physics A: Materials Science and Processing, Vol 96, No. 2, pp. 495-501 (2009).
White light emission via cascade Forster energy transfer in (Ga,In)N quantum well/polymer blend hybrid structures
G. Itskos et al., Nanotechnology, Vol 20, No. 275207, (2009).
Star-shaped oligofluorene nanostructured blend materials : controlled micro-patterning and physical characteristics
M. Wu et al., Applied Physics A: Materials Science and Processing, Vol 97, No. 1, pp. 119-123 (2009).
Optobionic vision-a new genetically enhanced light on retinal prosthesis
P. Degenaar et al., Journal of Neural Engineering, Vol 6, No. 3, pp. 035007 (2009).
Low-threshold organic laser based on an oligofluorene truxene with low optical losses
G. Tsiminis et al., Applied Physics Letters, Vol 94, No. 24, pp. 243304 -1-243304 -3 (2009).
Individually Addressable AlInGaN Micro-LED Arrays With CMOS Control and Subnanosecond Output Pulses
J. McKendry et al., IEEE Photonics Technology Letters, Vol 21, No. 12, pp. 811-813 (2009).
Influence of surface-related states on the carrier dynamics in (Ga,In)N/GaN single quantum wells
A. Othonos et al., Applied Physics Letters, Vol 94, No. 20, pp. 203102-1-203102-3 (2009).
Direct laser writing of nanosized oligofluorene truxenes in UV-transparent photoresist microstructures
A.J.C. Kuehne et al., Advanced Materials, Vol 21, No. 7, pp. 781-+ (2009).
Multi-site optical excitation using ChR2 and micro-LED array
N. Grossman et al., Journal of Neural Engineering, Vol 7, No. 016004, (2009).
2008
Integration by self-aligned writing of nanocrystal/epoxy composites on InGaN micropixelated light-emitting diodes
B. Guilhabert et al., Optics Express, Vol 16, pp. 18933 (2008).
Patterning and integration of polyfluorene polymers on micro-pixellated uV alInGaN light-emitting diodes
B. Guilhabert et al., Journal of Physics D: Applied Physics, Vol 41, No. 094008, (2008).
Improved sectioning in a slit scanning confocal microscope
V. Poher et al., Optics Letters, Vol 33, No. 16, pp. 1813-1815 (2008).
Etching and micro-optics fabrication in diamond using chlorine-based inductively-coupled plasma
C.L. Lee et al., Diamond and Related Materials, Vol 17, No. 7-10, pp. 1292-1296 (2008).
Individually-addressable flip-chip AllnGaN micropixelated light emitting diode arrays with high continuous and nanosecond output power
H.Z. Zhang et al., Optics Express, Vol 16, No. 13, pp. 9918-9926 (2008).
Micro-pixellated LEDs for science and instrumentation
M.D. Dawson et al., Journal of Physics D: Applied Physics, Vol 41, No. 9, (2008).
Design of diffractive optical elements for beam shaping of micro-pixellated LED light to a tightly focused spot
J.S. Liu et al., Journal of Physics D: Applied Physics, Vol 41, No. 9, (2008).
CMOS driven micro-pixel LEDs integrated with single-photon avalanche diodes for time-resolved flourescence measurements
B.R. Rae et al., Journal of Physics D: Applied Physics, Vol 41, No. 9, (2008).
The 310-340nm ultraviolet light emitting diodes grown using a thin GaN interlayer on a high temperature AlN buffer
T. Wang et al., Journal of Physics D: Applied Physics, Vol 41, No. 9, pp. 094003 (2008).
Novel polymer systems for deep UV microlens arrays
A.R Mackintosh et al., Journal of Physics D: Applied Physics, Vol 41, No. 9, pp. 094007 (2008).
New light from hybrid inorganic-organic emitters
C.R. Belton et al., Journal of Physics D: Applied Physics, Vol 41, No. 9, pp. 094006 (2008).
Micro-LED arrays: a tool for two-dimensional neuron stimulation
V. Poher et al., Journal of Physics D: Applied Physics, Vol 41, No. 9, pp. 094014 (2008).
Light emitting polymer blends and diffractive optical elements in high-speed direct laser writing of microstructures
H. Suyal et al., Journal of Physics D: Applied Physics, Vol 41, No. 094008, (2008).
Efficient flip-chip InGaN micro-pixellated light-emitting diode arrays: promising candidates for micro-displays and colour conversion
Z. Gong et al., Journal of Physics D: Applied Physics, Vol 41, No. 094002, (2008).
2007
Matrix-addressable micropixellated InGaN light-emitting diodes with uniform emission and increased light output
Z. Gong et al., IEEE Transactions on Electron Devices, Vol 54, No. 10, pp. 2650-2658 (2007).
Optical sectioning microscopes with no moving parts using a micro-stripe array light emitting diode
V. Poher et al., Optics Express, Vol 15, No. 18, pp. 11196-11206 (2007).
Efficient dipole-dipole coupling of Mott-Wannier and Frenkel excitons in (Ga,In)N quantum well/polyfluorene semiconductor heterostructures
G. Itskos et al., Physical Review B, Vol 76, No. 3, pp. 035344 (2007).
2006
Wavelength-tunable and white light emission from polymer-converted micropixellated InGaN ultraviolet light-emitting diodes
G. Heliotis et al., Journal of Optics A: Pure and Applied Optics, Vol 8, No. 7, pp. S445-S449 (2006).
Microfabrication in free-standing gallium nitride using UV laser micromachining
E. Gu et al., Applied Surface Science, Vol 252, No. 13, pp. 4897-4901 (2006).
Membrane structures containing InGaN/GaN quantum wells, fabricated by wet etching of sacrificial silicon substrates
S.H. Park et al., Physica Status Solidi C, Vol 3, No. 6, pp. 1949-1952 (2006).
Hybrid inorganic/organic semiconductor heterostructures with efficient non-radiative energy transfer
G. Heliotis et al., Advanced Materials, Vol 18, No. 3, pp. 334-338 (2006).
Fabrication and characterization of diamond micro-optics
C.L. Lee et al., Diamond and Related Materials, Vol 15, No. 4-8, pp. 725-728 (2006).
Characterization of MOVPE-grown GaInNAs quantum well with multi-barriers by Z-contrast imaging and SIMS
K.S. et al., Journal of Crystal Growth, Vol 287, No. 2, pp. 620-624 (2006).
Microstripe-array InGaN light-emitting diodes with individually addressable elements
H.X. Zhang et al., IEEE Photonics Technology Letters, Vol 18, No. 15, pp. 1681-1683 (2006).
2005
Use of AlInN layers in optical monitoring of growth of GaN-based structures on free-standing GaN substrates
I.M. et al., Applied Physics Letters, Vol 87, pp. 151901 (2005).
Tapered sidewall dry etching process for GaN and its applications in device fabrication
H.W. Choi et al., Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures, Vol 23, No. 1, pp. 99-102 (2005).
Spectral conversion of InGaN ultraviolet microarray light-emitting diodes using fluorene-based red-, green-, blue-, and white-light emitting polymer overlayer films
G. Heliotis et al., Applied Physics Letters, Vol 87, No. 103505, (2005).
Properties of natural diamond microlenses fabricated by plasma etching
H.W. Choi et al., Industrial Diamond Review, Vol 2005, No. 2, pp. 29-32 (2005).
Polymer microlens arrays applicable to AllnGaN ultraviolet micro-light-emitting diodes
C.W. Jeon et al., IEEE Photonics Technology Letters, Vol 17, No. 9, pp. 1887-1889 (2005).
Nitride micro-display with integrated micro-lenses
H.W. Choi et al., Physica Status Solidi C, Vol 2, pp. 2903-2906 (2005).
Mask-free photolithographic exposure using a matrix-addressable micropixellated AllnGaN ultraviolet light-emitting diode
C.W. Jeon et al., Applied Physics Letters, Vol 86, No. 221105, (2005).
InGaN nano-ring structures for high-efficiency light emitting diodes
H.W. Choi et al., Applied Physics Letters, Vol 86, No. 2, (2005).
Improved current spreading in 370nm AlGaN microring light emitting diodes
H.W. et al., Applied Physics Letters, Vol 86, No. 053504, (2005).
Impact of laser scribing for efficient device separation of LED components
E.K. Illy et al., Applied Surface Science, Vol 249, No. 1-4, pp. 354-361 (2005).
Fabrication of natural diamond microlenses by plasma etching
H.W. Choi et al., Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures, Vol 23, No. 1, pp. 130-132 (2005).
Fabrication and evaluation of GaN negative and bifocal microlenses
H.W. Choi et al., Journal of Applied Physics, Vol 97, No. 063101, (2005).
Enhanced areal efficiency from 370nm AlGaN micro-ring light emitting diodes
H.W. Choi et al., Physica Status Solidi C, Vol 2, No. 7, pp. 2854-2857 (2005).
Beam divergence measurements of InGaN/GaN micro-array light-emitting diodes using confocal microscopy
C. Griffin et al., Applied Physics Letters, Vol 86, No. 4, (2005).
2004
High density matrix-addressable AllnGaN-based 368-nm microarray light-emitting diodes
C.W. Jeon et al., IEEE Photonics Technology Letters, Vol 16, No. 11, pp. 2421-2423 (2004).
Sub-micron inGaN ring structures for high-efficiency LEDs
H.W. Choi et al., Physica Status Solidi C, Vol 1, No. 2, pp. 202-205 (2004).
Reflection/transmission confocal microscopy characterization of single-crystal diamond microlens arrays
E. Gu et al., Applied Physics Letters, Vol 84, No. 15, pp. 2754-2756 (2004).
GaN micro-light-emitting diode arrays with monolithically integrated sapphire microlenses
H.W. Choi et al., Applied Physics Letters, Vol 84, No. 13, pp. 2253-2255 (2004).
Fabrication of matrix-addressable micro-LED arrays based on a novel etch technique
H.W. Choi et al., Journal of Crystal Growth, Vol 268, No. 3-4, pp. 527-530 (2004).
High resolution 128x96 nitride microdisplay
H.W. Choi et al., IEEE Electron Device Letters, Vol 25, No. 5, pp. 277-279 (2004).
Micromachining and dicing of sapphire, gallium nitride and micro LED devices with UV copper vapour laser
E. et al., Thin Solid Films, Vol 453, No. 1, pp. 462-466 (2004).
High extraction efficiency InGaN micro-ring light emitting diodes
H.W. Choi et al., Applied Physics Letters, Vol 83, No. 22, pp. 4483-4485 (2004).
Cathodoluminescence spectral mapping of III-nitride structures
R.W. et al., Physica Status Solidi A - Applications and Materials Science, Vol 201, No. 4, pp. 665-672 (2004).
InGaN microring light-emitting diodes
H.W. Choi et al., IEEE Photonics Technology Letters, Vol 16, No. 1, pp. 33-35 (2004).
2003
Fabrication of matrix-addressable InGaN-based microdisplays of high array density
C.W. Jeon et al., IEEE Photonics Technology Letters, Vol 15, No. 11, pp. 1516-1518 (2003).
Low resistivity contacts to p-type GaN by plasma treatment
H.W. Choi et al., Physica Status Solidi C, Vol 0, No. 7, pp. 2210-2213 (2003).
InGaN light-emitting diodes of micro-ring geometry
H.W. Choi et al., Physica Status Solidi C, Vol 0, No. 7, pp. 2185-2188 (2003).
A novel fabrication method for a 64x64 matrix-addressable GaN-based micro-LED array
C.W. Jeon et al., Physica Status Solidi A, Vol 200, No. 1, pp. 79-82 (2003).
Mechanism of enhanced light output in InGaN-based microlight emitting diodes
H.W. Choi et al., Journal of Applied Physics, Vol 93, No. 10, pp. 5978-5982 (2003).
Fabrication and performance of parallel-addressed InGaN micro-LED arrays
H.W. et al., IEEE Photonics Technology Letters, Vol 15, No. 4, pp. 510-512 (2003).
2002
Fabrication of two-dimensional InGaN-based micro-LED arrays
C.W. Jeon et al., Physica Status Solidi A, Vol 192, No. 2, pp. 325-328 (2002).
GaN microcavities formed by laser lift-off and plasma etching
R.W. Martin et al., Materials Science and Engineering B, Vol 93, No. 1-3, pp. 98-101 (2002).
Surface properties of GaN fabricated by laser lift-off and ICP etching
H.S. Kim et al., New Physics: Korean Physical Society, Vol 40, No. 4, pp. 567-571 (2002).
2001
Optical spectroscopy of GaN microcavities with thicknesses controlled using a plasma etch-back
R.W. Martin et al., Applied Physics Letters, Vol 79, No. 19, pp. 3029-3031 (2001).
http://dx.doi.org/10.1063/1.1415769
InGaN/GaN quantum well microcavities formed by laser lift-off and plasma etching
P.R. Edwards et al., Physica Status Solidi B, Vol 228, No. 1, pp. 91-94 (2001).
In situ and ex situ evaluation of mechanisms of lateral epitaxial overgrowth
I.M. Watson et al., Physica Status Solidi A, Vol 188, No. 2, pp. 743-746 (2001).
Characterisation of optical properties in micro-patterned InGaN quantum wells
K.S. Kim et al., Physica Status Solidi B, Vol 228, No. 1, pp. 169-172 (2001).
Femtosecond laser machining of gallium nitride
T. Kim et al., Materials Science and Engineering B, Vol 82, No. 1-3, pp. 262-264 (2001).
Etch end-point detection of GaN-based devices using optical emission spectroscopy
H.S. Kim et al., Materials Science and Engineering B, Vol 82, No. 1-3, pp. 159-162 (2001).