Search Results - "Lambkin, J.D"

Low-divergence laser structures for cost-effective fiber coupling applications by Gough, O.P., Buckley, U., Corbett, B., Lambkin, J.D.

“…We report on the design of lasers using waveguide engineering to achieve low divergence emission with high butt-coupling efficiency to single-mode (SMF) and…”
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Electron transport across bulk (Al/sub x/Ga/sub 1-x/)/sub 0.5/In/sub 0.5/P barriers determined from the I-V characteristics of n-i-n diodes measured between 60 and 310 K by Morrison, A.P., Lambkin, J.D., van der Poel, C.J., Valster, A.

“…The electron transport characteristics of five n-i-n diodes with (Al/sub x/Ga/sub 1-x/)/sub 0.5/In/sub 0.5/P intrinsic barrier regions of various aluminum…”
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Red Vertical Cavity Surface Emitting Laser Technology by Lambkin, J.D.

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Electron transport across bulk (AlxGa1-x)0.5In0.5P barriers determined from the I-V characteristics of n-i-n diodes measured between 60 and 310 K by MORRISON, A. P, LAMBKIN, J. D, VAN DER POEL, C. J, VALSTER, A

“…The measured barrier height using the thermionic emission model yields values close to the expected conduction band offset between the GaInP spacer layers and…”
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Fabrication of low-threshold red VCSELs by Calvert, T.M, Lambkin, J.D, Corbett, B, Phillips, A.F, Crean, G.M

“…Red vertical cavity lasers (VCSELs) are ideally suited as optical sources for plastic optical fibre networks. These networks will form the communication…”
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EBIC mode characterization of transport properties on laser heterostructures by Romero, M.J., Araújo, D., Lambkin, J.D., García, R.

“…A method for the quantitative evaluation of electron-beam-induced current (EBIC) profiles across p-n junctions (normal-collector configuration) is presented…”
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Photoluminescence investigation of the carrier confining properties of multiquantum barriers by Morrison, A.P., Considine, L., Walsh, S., Cordero, N., Lambkin, J.D., O'Connor, G.M., Daly, E.M., Glynn, T.J., van der Poel, C.J.

“…A comparative luminescence study of two Ga/sub 0.52/In/sub 0.48/P-(Al/sub 0.5/Ga/sub 0.5/)/sub 0.52/In/sub 0.48/P single-quantum-well (SQW) samples with bulk…”
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Temperature dependence of InP/GaInP quantum dot photoluminescence by Beirne, G.J, Farrell, I.L, Grogan, C.M, Connolly, J.O, O’Connor, G.M, Glynn, T.J, Thomas, K.K, Lambkin, J.D

“…The integrated photoluminescence (PL) intensities of capped InP/GaInP quantum dot structures have been measured as a function of temperature. The PL is found…”
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Evaluation of multiquantum barriers in bulk double heterostructure visible laser diodes by Morrison, A.P., Lambkin, J.D., van der Poel, C.J., Valster, A.

“…Three bulk (Al/sub x/Ga/sub 1-x/)/sub 0.5/In/sub 0.5/P double heterostructure (DH) lasers were designed and fabricated to examine the effect of incorporating…”
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EU project POF-PLUS: Gigabit transmission over 50 m of step-index plastic optical fibre for home networking by Charbonnier, B., Urvoas, P., Ouzzif, M., Le Masson, J., Lambkin, J.D., O'Gorman, M., Gaudino, R.

“…We demonstrated a Gigabit/s system for 1mm POF. Optimized Discrete Multi-tone Modulation techniques enabled 1 Gbit/s using LEDs, and 1.5 Gbit/s using VCSELs, a…”
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Performance of Multiquantum Barrierx in Bulk Double Heterostructure Visible Laser Diodes As a Function of Temperature by Morrison, A.P., Lambkin, J.D.

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Development of a visible VCSEL-to-plastic optical fibre module for use in high-speed optical data links by Lambkin, J.D, Calvert, T, Woodhead, J, Pinches, S.M, Frost, J, Hosea, J, Van Daele, P, Vandeputte, K, Van Hove, A, Valster, A, McInerney, J.G, Porta, P.A

“…This paper presents a portion of the results that have emerged to date from the ESPRIT Long Term Research Project Bright Red Surface Emitting Lasers…”
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Visible split beam VCSEL for compact sensor applications by Maute, M., Gerhardt, V., Lambkin, J.D., Slattery, S.A., Justice, J.P., Hegarty, S.P., Huyet, G., Corbett, B.

“…We present a visible VCSEL with integrated beam splitter. By focusing one beam onto a moving target and monitoring the power variation in the second beam,…”
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Gigabits in the home with plugless plastic optical fiber (POF) interconnects by Wipiejewski, T., Moriarty, T., Hung, V., Doyle, P., Duggan, G., Barrow, D., McGarvey, B., O'Gorman, M., Calvert, T., Maute, M., Gerhardt, V., Lambkin, J.D.

“…We have developed plugless optical transceivers for low cost optical networking with plastic optical fiber (POF). The transmission speed is 125 Mb/s for…”
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Estimation of the /spl Gamma/-X crossover composition in disordered (Al/sub x/Ga/sub 1-x/)/sub 0.5/In/sub 0.5/P using n-i-n diodes by Morrison, A.P., Lambkin, J.D., van der Poel, C.J., Valster, A.

“…The conduction band offset between (Al/sub x/Ga/sub 1-x/)/sub 0.5/In/sub 0.5/P and Ga/sub 0.5/In/sub 0.5/P has been determined from the I-V characteristics of…”
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MOVPE grown lasers having InGaAs/InP superlattice confinement and barrier layers by Ginty, A., Lambkin, J.D., Considine, L., Kelly, W.M.

“…Novel long wavelength separate confinement heterostructure (SCH) and graded-index separate confinement heterostructure (GRIN-SCH) quantum well (QW) laser…”
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