If you made any changes in Pure these will be visible here soon.

Research Output 1998 2019

Filter
Article
2006
22 Citations (Scopus)

Thermal quenching mechanism of photoluminescence in 1.55 µm GaInNAsSb/Ga(N)As quantum-well structures

Sun, H. D., Calvez, S., Dawson, M. D., Gupta, J. A., Aers, G. C. & Sproule, G. I., 4 Sep 2006, In : Applied Physics Letters. 89, 10, 3 p., 101909.

Research output: Contribution to journalArticle

quenching
quantum wells
photoluminescence
conduction bands
valence
82 Citations (Scopus)

Tunable ultraviolet output from an intracavity frequency-doubled red vertical-external-cavity surface-emitting laser

Hastie, J. E., Morton, L. G., Kemp, A., Dawson, M. D., Krysa, A. B. & Roberts, J. S., 2006, In : Applied Physics Letters. 89, 6, p. 061114

Research output: Contribution to journalArticle

surface emitting lasers
birefringent filters
cavities
output
borates
24 Citations (Scopus)

Wavelength-tunable and white light emission from polymer-converted micropixellated InGaN ultraviolet light-emitting diodes

Heliotis, G., Gu, E., Griffin, C., Jeon, C. W., Stavrinou, P. N., Dawson, M. D. & Bradley, D. D. C., 2006, In : Journal of Optics A: Pure and Applied Optics. 8, 7, p. S445-S449

Research output: Contribution to journalArticle

ultraviolet radiation
light emission
light emitting diodes
polymer blends
polymers
2007
12 Citations (Scopus)

(In,Ga)N/GaN microcavities with double dielectric mirrors fabricated by selective removal of an (Al,In)N sacrificial layer

Rizzi, F., Edwards, P. R., Bejtka, K., Semond, F., Kang, X. N., Zhang, G. Y., Gu, E., Dawson, M. D., Watson, I. M. & Martin, R. W., 15 Mar 2007, In : Applied Physics Letters. 90, 11, 3 p., 111112.

Research output: Contribution to journalArticle

Open Access
File
mirrors
cavities
spacers
Q factors
sapphire
2 Citations (Scopus)

CMOS-integrated flip-chip micro-pixel InGaN LED arrays for on-chip microfluorimetry

Griffin, C., McKendry, J., Zhang, H. X., Gu, E., Rae, B. R., Henderson, R. K., Renshaw, D., Girkin, J. M. & Dawson, M. D., 25 Oct 2007, In : IEEE Lasers and Electro-Optics Society Annual Meeting. p. 588 -589

Research output: Contribution to journalArticle

Avalanche photodiodes
Light emitting diodes
Photons
Pixels
2 Citations (Scopus)

Dry etching of n-face GaN using two high-density plasma etch techniques

Rizzi, F., Bejtka, K., Semond, F., Gu, E., Dawson, M. D., Watson, I. M. & Martin, R. W., 2007, In : Physica Status Solidi C. 4, 1, p. 200-2003 1803 p.

Research output: Contribution to journalArticle

plasma density
electron cyclotron resonance
etching
roughness
stopping
58 Citations (Scopus)

Efficient dipole-dipole coupling of Mott-Wannier and Frenkel excitons in (Ga,In)N quantum well/polyfluorene semiconductor heterostructures

Itskos, G., Heliotis, G., Lagoudakis, P. G., Lupton, J., Barradas, N. P., Alves, E., Pereira, S. M. D. S., Watson, I. M., Dawson, M. D., Feldmann, J., Murray, R. & Bradley, D. D. C., 31 Jul 2007, In : Physical Review B. 76, 3, p. 035344 7 p.

Research output: Contribution to journalArticle

Excitons
Semiconductor quantum wells
Heterojunctions
excitons
quantum wells
1 Citation (Scopus)

Efficient Forster transfer mediated by excitons in InGaN/GaN quantum well/polyfluorene heterostructures

Itskos, G., Heliotis, G., Belton, C., Watson, I. M., Dawson, M. D., Bradley, D. D. C. & Murray, R., 10 Apr 2007, In : American Institute of Physics Conference Proceedings. 893, 1, p. 355-356 1 p.

Research output: Contribution to journalArticle

excitons
quantum wells
energy transfer
luminescence
energy
9 Citations (Scopus)

GaInNAs(Sb) surface normal devices

Calvez, S., Laurand, N., Sun, H. D., Weda, J., Burns, D., Dawson, M. D., Harkonen, A., Jouhti, T., Pessa, M., Hopkinson, M., Poitras, D., Gupta, J. A., Leburn, C. G., Brown, C. T. A. & Sibbett, W., 2007, In : Physics Status Solidi A. 205, 1, p. 85-92 7 p.

Research output: Contribution to journalArticle

exploitation
surface emitting lasers
absorbers
mirrors
cavities
41 Citations (Scopus)

Matrix-addressable micropixellated InGaN light-emitting diodes with uniform emission and increased light output

Gong, Z., Zhang, H. X., Gu, E., Griffin, C., Dawson, M. D., Poher, V., Kennedy, G. T., French, P. M. W. & Neil, M. A. A., Oct 2007, In : IEEE Transactions on Electron Devices. 54, 10, p. 2650-2658 8 p.

Research output: Contribution to journalArticle

Light emitting diodes
Assays
Microscopic examination
Metals
Fluorescence
21 Citations (Scopus)

Micro-cylindrical and micro-ring lenses in CVD diamond

Lee, C. L., Gu, E. & Dawson, M. D., 2007, In : Diamond and Related Materials. 16, 4-7, p. 944-948 4 p.

Research output: Contribution to journalArticle

Diamond
Chemical vapor deposition
Lenses
Diamonds
diamonds
23 Citations (Scopus)

Microlensed microchip VECSEL

Laurand, N., Lee, C. L., Gu, E., Hastie, J., Calvez, S. & Dawson, M., 13 Jul 2007, In : Optics Express. 15, 15, p. 9341-9346 5 p.

Research output: Contribution to journalArticle

laser arrays
output
apertures
diamonds
pumps

Micro-pixel flip-chip AlInGaN LED arrays with high CW and nanosecond output power

Massoubre, D., Zhang, H. X., McKendry, J., Griffin, C., Guilhabert, B. J. E., Gong, Z., Gu, E. & Dawson, M. D., 24 Oct 2007, In : IEEE Lasers and Electro-Optics Society Annual Meeting. p. 582 -583

Research output: Contribution to journalArticle

Light emitting diodes
Pixels
Wavelength
42 Citations (Scopus)

Optical sectioning microscopes with no moving parts using a micro-stripe array light emitting diode

Poher, V., Zhang, H., Kennedy, G. T., Griffin, C., Oddos, S., Gu, E., Elson, D. S., Girkin, J. M., French, P. M. W., Dawson, M. D. & Neil, M. A., 21 Aug 2007, In : Optics Express. 15, 18, p. 11196 -11206

Research output: Contribution to journalArticle

Open Access
optical microscopes
light emitting diodes
microscopy
grids
imaging techniques
23 Citations (Scopus)

Pulsed pumping of semiconductor disk lasers

Hempler, N., Hopkins, J. M., Kemp, A., Schulz, N., Rattunde, M., Wagner, J., Dawson, M. D. & Burns, D., 19 Mar 2007, In : Optics Express. 15, 6, p. 3247 -3256

Research output: Contribution to journalArticle

Open Access
pumping
lasers
birefringent filters
pumps
cavities
13 Citations (Scopus)

Stabilisation of a semiconductor disk laser using an intracavity high reflectivity grating

Giet, S., Lee, C. L. L., Calvez, S., Dawson, M. D., Destouches, N. & Pommier, J. C., 29 Nov 2007, In : Optics Express. 15, 25, p. 16520-16526 6 p.

Research output: Contribution to journalArticle

Open Access
stabilization
gratings
reflectance
cavities
polarization characteristics
6 Citations (Scopus)

Thermal management in disc lasers: doped-dielectric and semiconductor laser gain media in thin-disc and microchip formats

Kemp, A., MacLean, A. J., Hopkins, J-M., Hastie, J., Calvez, S., Dawson, M. & Burns, D., 3 Feb 2007, In : Journal of Modern Optics. 54, 12, p. 1669-1676 7 p.

Research output: Contribution to journalArticle

format
semiconductor lasers
lasers
temperature effects
thermal conductivity
6 Citations (Scopus)

Thinning of N-face GaN (000-1) samples by inductively coupled plasma etching and chemomechanical polishing

Rizzi, F., Gu, E., Dawson, M. D., Watson, I. M., Martin, R. W., Kang, X. N. & Zhang, G. Y., 2007, In : Journal of Vacuum Science and Technology A. 25, 2, p. 252-260 8 p.

Research output: Contribution to journalArticle

Plasma etching
Inductively coupled plasma
plasma etching
Polishing
polishing
10 Citations (Scopus)

Tunable single-mode fibre VCSEL using an intracavity polymer microlens

Laurand, N., Guilhabert, B. J. E., Gu, E., Calvez, S. & Dawson, M. D., 2007, In : Optics Letters. 32, 19, p. 2831-2833 2 p.

Research output: Contribution to journalArticle

surface emitting lasers
cavities
fibers
polymers
mirrors
2008
5 Citations (Scopus)

Array-format microchip semiconductor disk lasers

Laurand, N., Lee, C. L., Gu, E., Hastie, J. E., Kemp, A. J., Calvez, S. & Dawson, M. D., 17 Nov 2008, In : IEEE Journal of Quantum Electronics. 44, 11, p. 1096-1103 7 p.

Research output: Contribution to journalArticle

Videodisks
format
Semiconductor materials
Diamonds
Microlenses

Characteristics of GaInNAsSb VCSELs operating near 1.55µm

Gupta, J. A., Calvez, S., Laurand, N., Weda, J., Burns, D., Poitras, D., Aers, G. C. & Dawson, M. D., 29 Jan 2008, In : Proceedings of SPIE: The International Society for Optical Engineering. 6908, p. 69080E 10 p.

Research output: Contribution to journalArticle

Open Access
File
Vertical-cavity Surface-emitting Laser (VCSEL)
Surface emitting lasers
Gallium Arsenide
Cavity
Reflectivity
28 Citations (Scopus)

CMOS driven micro-pixel LEDs integrated with single-photon avalanche diodes for time-resolved flourescence measurements

Rae, B. R., Griffin, C., McKendry, J., Girkin, J. M., Zhang, H. X., Gu, E., Renshaw, D., Charbon, E., Dawson, M. D. & Henderson, R. K., 7 May 2008, In : Journal of Physics D: Applied Physics. 41, 9

Research output: Contribution to journalArticle

Avalanche diodes
avalanche diodes
Silicon oxides
Light emitting diodes
metal oxides
14 Citations (Scopus)

Comparison of thermal management techniques for semiconductor disk lasers

Giet, S., Kemp, A., Burns, D., Calvez, S., Dawson, M. D., Suomalainen, S., Harkonen, A., Guina, M., Okhotnikov, O. & Pessa, M., 2008, In : Proceedings of SPIE the International Society for Optical Engineering. 6871, p. 687115

Research output: Contribution to journalArticle

Thermal Management
Videodisks
Temperature control
Semiconductors
Diamond
36 Citations (Scopus)

Continuous tuning and efficient intracavity second-harmonic generation in a semiconductor disk laser with an intracavity diamond heatspreader

MacLean, A. J., Kemp, A., Calvez, S., Kim, J. Y., Kim, T., Dawson, M. D. & Burns, D., 1 Feb 2008, In : IEEE Journal of Quantum Electronics. 44, 3, p. 216-225 10 p.

Research output: Contribution to journalArticle

Videodisks
Harmonic generation
Diamonds
harmonic generations
Tuning
3 Citations (Scopus)

Design of diffractive optical elements for beam shaping of micro-pixellated LED light to a tightly focused spot

Liu, J. S., Caley, A. J., Gu, E., Girkin, J. M., Dawson, M. D. & Taghizadeh, M. R., 7 May 2008, In : Journal of Physics D: Applied Physics. 41, 9

Research output: Contribution to journalArticle

Diffractive optical elements
Light emitting diodes
Quenching
light emitting diodes
Diffraction
26 Citations (Scopus)

Efficient flip-chip InGaN micro-pixellated light-emitting diode arrays: promising candidates for micro-displays and colour conversion

Gong, Z., Gu, E., Jin, S. R., Massoubre, D., Guilhabert, B. J. E., Zhang, H. X., Dawson, M. D., Poher, V., Kennedy, G. T., French, P. M. W. & Neil, M. A. A., Apr 2008, In : Journal of Physics D: Applied Physics. 41, 094002

Research output: Contribution to journalArticle

Light emitting diodes
light emitting diodes
Display devices
chips
Color
63 Citations (Scopus)

Etching and micro-optics fabrication in diamond using chlorine-based inductively-coupled plasma

Lee, C. L., Gu, E., Dawson, M. D., Friel, I. & Scarsbrook, G., 12 Jul 2008, In : Diamond and Related Materials. 17, 7-10, p. 1292-1296 5 p.

Research output: Contribution to journalArticle

Microoptics
Diamond
Chlorine
Inductively coupled plasma
chlorine
10 Citations (Scopus)

Femtosecond pulse generation around 1500nm using a GaInNAsSb SESAM

Metzger, N. K., Leburn, C. G., Lagatsky, A. A., Brown, C. T. A., Calvez, S., Burns, D., Sun, H. D., Dawson, M. D., Harmand, J. C. & Sibbett, W., 29 Oct 2008, In : Optics Express. 16, 23, p. 18739-18744 6 p.

Research output: Contribution to journalArticle

Open Access
Bragg reflectors
YAG lasers
recovery
output
pulses
10 Citations (Scopus)

GaN diode-pumping of red semiconductor disk laser

Smith, A., Hastie, J. E., Foreman, H. D., Leinonen, T., Guina, M. & Dawson, M. D., 25 Sep 2008, In : Electronics Letters. 44, 20, p. 1195-1196 2 p.

Research output: Contribution to journalArticle

Videodisks
Diodes
Semiconductor materials
Wavelength
Demonstrations
14 Citations (Scopus)

Improved sectioning in a slit scanning confocal microscope

Poher, V., Kennedy, G. T., Manning, H. B., Owen, D. M., Zhang, H. X., Gu, E., French, P. M. W., Dawson, M. D. & Neil, M. A. A., 6 Aug 2008, In : Optics Letters. 33, 16, p. 1813-1815 2 p.

Research output: Contribution to journalArticle

slits
microscopes
scanning
detectors
subtraction
41 Citations (Scopus)

Individually-addressable flip-chip AllnGaN micropixelated light emitting diode arrays with high continuous and nanosecond output power

Zhang, H. Z., Massoubre, D., McKendry, J., Gong, Z., Guilhabert, B. J. E., Griffin, C., Gu, E., Jessop, P. E., Girkin, J. M. & Dawson, M. D., 23 Jun 2008, In : Optics Express. 16, 13, p. 9918-9926 9 p.

Research output: Contribution to journalArticle

light emitting diodes
pixels
chips
output
injection
12 Citations (Scopus)

Integration by self-aligned writing of nanocrystal/epoxy composites on InGaN micropixelated light-emitting diodes

Guilhabert, B. J. E., Elfstrom, D., Kuehne, A. J., Massoubre, D., Zhang, H. X., Jin, S. R., Mackintosh, A. R., Gu, E., Pethrick, R. A. & Dawson, M. D., 3 Nov 2008, In : Optics Express. 16, p. 18933

Research output: Contribution to journalArticle

Open Access
diodes
color
spectral emission
composite materials
gallium nitrides
4 Citations (Scopus)

Light emitting polymer blends and diffractive optical elements in high-speed direct laser writing of microstructures

Suyal, H., Waddie, A. J., Mackintosh, A. R., Kuhne, A., Taghizadeh, M. R., Pethrick, R. A., McCarthy, A., Walker, A. C., Gu, E., Dawson, M. D. & Bradley, D. D. C., 4 Apr 2008, In : Journal of Physics D: Applied Physics. 41, 094008

Research output: Contribution to journalArticle

Diffractive optical elements
Photopolymers
photopolymers
polymer blends
Polymer blends
75 Citations (Scopus)

Micro-LED arrays: a tool for two-dimensional neuron stimulation

Poher, V., Grossman, N., Kennedy, G. T., Nikolic, K., Zhang, H. X., Gong, Z., Drakakis, E. M., Gu, E., Dawson, M. D., French, P. M. W., Degenaar, P. & Neil, M. A. A., 4 Apr 2008, In : Journal of Physics D: Applied Physics. 41, 9, p. 094014 8 p.

Research output: Contribution to journalArticle

neurons
stimulation
Neurons
Light emitting diodes
light emitting diodes
8 Citations (Scopus)

Micro-pixellated LEDs for science and instrumentation

Dawson, M. D. & Neil, M. A. A., 7 May 2008, In : Journal of Physics D: Applied Physics. 41, 9

Research output: Contribution to journalArticle

Light emitting diodes
light emitting diodes
physics
gallium nitrides
Physics
50 Citations (Scopus)

New light from hybrid inorganic-organic emitters

Belton, C. R., Itskos, G., Heliotis, G., Stavrinou, P. N., Lagoudakis, P. G., Lupton, J., Pereira, S., Gu, E., Griffin, C., Guilhabert, B. J. E., Watson, I. M., Mackintosh, A. R., Pethrick, R. A., Feldmann, J., Murray, R., Dawson, M. D. & Bradley, D. D. C., 4 Apr 2008, In : Journal of Physics D: Applied Physics. 41, 9, p. 094006

Research output: Contribution to journalArticle

Energy transfer
Semiconductor quantum wells
emitters
energy transfer
Radiative transfer
7 Citations (Scopus)

Novel polymer systems for deep UV microlens arrays

Mackintosh, A. R., Kuehne, A. J., Pethrick, R. A., Guilhabert, B. J. E., Gu, E., Lee, C. L., Dawson, M. D., Heliotis, G. & Bradley, D. D. C., 4 Apr 2008, In : Journal of Physics D: Applied Physics. 41, 9, p. 094007 7 p.

Research output: Contribution to journalArticle

Polymers
polymers
Microlenses
Confocal microscopy
Ellipsometry
1 Citation (Scopus)

Patterning and integration of polyfluorene polymers on micro-pixellated uV alInGaN light-emitting diodes

Guilhabert, B. J. E., Gong, Z., Belton, C., Mackintosh, A. R., Gu, E., Stavrinou, P. N., Bradley, D. D. C., Pethrick, R. A. & Dawson, M. D., 2008, In : Journal of Physics D: Applied Physics. 41, 094008

Research output: Contribution to journalArticle

Light emitting diodes
Polymers
light emitting diodes
polymers
Pixels
11 Citations (Scopus)

Quantum-well intermixing influence on GaInNAs/GaAs quantum-well laser gain: theoretical study

Qiu, Y. N., Sun, H. D., Rorison, J. M., Calvez, S., Dawson, M. D. & Bryce, A. C., Sep 2008, In : Semiconductor Science and Technology. 23, 9

Research output: Contribution to journalArticle

Quantum well lasers
quantum well lasers
Semiconductor quantum wells
quantum wells
Fick's laws
7 Citations (Scopus)
Photonic devices
Nitrides
Wet etching
Etching
Micro-electro-mechanical Systems
10 Citations (Scopus)

Short Wavelength GaInNAs/GaAs semiconductor disk lasers

Vetter, S. L., Hastie, J. E., Korpijarvi, V. M., Puustinen, J., Guina, M., Okhotnikov, O., Calvez, S. & Dawson, M. D., 28 Aug 2008, In : Electronics Letters. 44, 18, p. 1069-1070 1 p.

Research output: Contribution to journalArticle

Videodisks
Semiconductor materials
Wavelength
8 Citations (Scopus)

The 310-340nm ultraviolet light emitting diodes grown using a thin GaN interlayer on a high temperature AlN buffer

Wang, T., Lee, K. B., Bai, J., Parbrook, P. J., Ranalli, G., Wang, Q., Airey, R., Cullis, A. G., Zhang, H. X., Massoubre, D., Gong, Z., Watson, I. M., Gu, E. & Dawson, M. D., 4 Apr 2008, In : Journal of Physics D: Applied Physics. 41, 9, p. 094003 5 p.

Research output: Contribution to journalArticle

ultraviolet radiation
Light emitting diodes
interlayers
Buffers
light emitting diodes
2009
32 Citations (Scopus)

A CMOS time-resolved fluorescence lifetime analysis micro-system

Rae, B. R., Muir, K. R., Gong, Z., McKendry, J., Girkin, J. M., Gu, E., Renshaw, D., Dawson, M. D. & Henderson, R. K., 18 Nov 2009, In : Sensors. 9, 11, p. 9255-9274 20 p.

Research output: Contribution to journalArticle

Open Access
File
Photons
Light emitting diodes
CMOS
Fluorescence
Avalanches
23 Citations (Scopus)

Direct laser writing of nanosized oligofluorene truxenes in UV-transparent photoresist microstructures

Kuehne, A. J. C., Elfstrom, D., Mackintosh, A. R., Kanibolotsky, A. L., Guilhabert, B., Gu, E., Perepichka, I. F., Skabara, P. J., Dawson, M. D. & Pethrick, R. A., 16 Feb 2009, In : Advanced Materials. 21, 7, p. 781–785 5 p.

Research output: Contribution to journalArticle

Photoresists
Microstructure
Photooxidation
Lasers
Environmental protection
1 Citation (Scopus)

Fabrication and characterisation of microscale air bridges in conductive gallium nitride

Xiong, C., Massoubre, D., Gu, E., Dawson, M. D. & Watson, I. M., 24 Aug 2009, In : Applied Physics A: Materials Science and Processing. 96, 2, p. 495-501 7 p.

Research output: Contribution to journalArticle

Gallium nitride
gallium nitrides
Anchors
microbalances
low voltage
66 Citations (Scopus)

Femtosecond pulse operation of a Tm,Ho-codoped crystalline laser near 2 μm

Lagatsky, A. A., Fusari, F., Calvez, S., Kurilchik, S. V., Kisel, V. E., Kuleshov, N. V., Dawson, M. D., Brown, C. T. A. & Sibbett, W., 15 Jan 2009, In : Optics Letters. 35, 2, p. 172-174 3 p.

Research output: Contribution to journalArticle

locking
pulses
lasers
repetition
absorbers

Fluorescent nanostructures: direct laser writing of nanosized oligofluorene truxenes in UV-transparent photoresist microstructures

Kuehne, A. J., Elfstrom, D., Mackintosh, A. R., Kanibolotsky, A., Guilhabert, B. J. E., Gu, E., Perepichka, I. F., Skabara, P. J., Dawson, M. D. & Pethrick, R. A., 9 Feb 2009, In : Advanced Materials. 21, 7, p. 781-785 5 p.

Research output: Contribution to journalArticle

Electrooptical devices
Photonic devices
Photoresists
Stars
Nanostructures
5 Citations (Scopus)

GaInNAs semiconductor disk lasers as pump sources for Tm3+ (,Ho3+ )-doped glass, crystal and fibre lasers

Vetter, S. L., McKnight, L., Calvez, S., Dawson, M. D., Fusari, F., Lagatsky, A. A., Sibbett, W. & Brown, C. T. A., Jan 2009, In : Proceedings of SPIE the International Society for Optical Engineering. 7193, 719317

Research output: Contribution to journalArticle

Videodisks
glass lasers
Fiber Laser
Fiber lasers
Pump
27 Citations (Scopus)

Hybrid GaN/organic microstructured light-emitting devices via ink-jet printing

Wu, M., Gong, Z., Keuhne, A. J. C., Kanibolotsky, A., Chen, Y., Perepichka, I. F., Mackintosh, A., Gu, E., Skabara, P., Pethrick, R. & Dawson, M., 31 Aug 2009, In : Optics Express. 17, 19, p. 16436-16443 8 p.

Research output: Contribution to journalArticle

gallium nitrides
inks
printing
light emitting diodes
pixels
38 Citations (Scopus)

Individually addressable AlInGaN micro-LED arrays with CMOS control and subnanosecond output pulses

McKendry, J. J. D., Rae, B. R., Gong, Z., Muir, K. R., Guilhabert, B., Massoubre, D., Gu, E., Renshaw, D., Dawson, M. D. & Henderson, R. K., 15 Jun 2009, In : IEEE Photonics Technology Letters. 21, 12, p. 811-813 3 p.

Research output: Contribution to journalArticle

Light emitting diodes
CMOS
light emitting diodes
output
pulses