Zobrazeno 1 - 10
of 54
pro vyhledávání: '"Steven H. Groves"'
Autor:
K.M. Molvar, Eric A. Dauler, K. A. McIntosh, Simon Verghese, G.M. Smith, Katharine Jensen, L.J. Mahoney, Joseph P. Donnelly, E.K. Duerr, Christopher J. Vineis, Douglas C. Oakley, D. C. Shaver, P.I. Hopman, Steven H. Groves
Publikováno v:
IEEE Journal of Quantum Electronics. 42:797-809
For Geiger-mode avalanche photodiodes, the two most important performance metrics for most applications are dark count rate (DCR) and photon detection efficiency (PDE). In 1.06-mum separate-absorber-avalanche (multiplier) InP-based devices, the prima
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b7102cf8fea23bd2cc4a289d4bfb1ed
https://doi.org/10.1109/jqe.2006.877300
https://doi.org/10.1109/jqe.2006.877300
Autor:
Leo J. Missaggia, Joseph P. Donnelly, J. Bailey, Gary E. Betts, Frederick J. O'Donnell, J. N. Walpole, Steven H. Groves, A. Nagoleone
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 45:1280-1287
High-performance semiconductor continous-wave (CW) sources are demonstrated in this paper, which include a Fabry-Perot (FP) laser oscillator (LO) with relative intensity noise (RIN)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4772d533174fe949b121aeadea9c0e48
https://doi.org/10.1109/22.618422
https://doi.org/10.1109/22.618422
Autor:
A. Napoleone, Steven H. Groves, L.J. Mahoney, E.K. Duerr, S.D. Calawa, Douglas C. Oakley, D. C. Shaver, K.M. Molvar, Joseph P. Donnelly, K. A. McIntosh
Publikováno v:
Applied Physics Letters. 81:2505-2507
Geiger-mode (photon-counting) operation at 1.06 μm has been demonstrated with InGaAsP/InP avalanche photodiodes operated at room temperature. A photon detection efficiency of 33% was measured on uncoated detectors, representing an internal avalanche
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::12f3389f73629227aacf9b403d371abf
https://doi.org/10.1063/1.1509469
https://doi.org/10.1063/1.1509469
Autor:
A. Napoleone, Leo J. Missaggia, Joseph P. Donnelly, Stephen R. Chinn, P. J. Taylor, Steven H. Groves, C.T. Harris, James N. Walpole, Robin K. Huang, Jason J. Plant, Robert J. Bailey
Publikováno v:
IEEE Photonics Technology Letters. 14:756-758
A high brightness semiconductor diode laser structure, which utilizes a slab-coupled optical waveguide region to achieve several potentially important advances in performance, is proposed and experimentally demonstrated using a simple rib waveguide i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::56a6c920afa49656e183dbac07435121
https://doi.org/10.1109/lpt.2002.1003083
https://doi.org/10.1109/lpt.2002.1003083
Autor:
V. Diadiuk, Woo Young Choi, Steven H. Groves, Brian R. Bennett, Ning Pan, J. H. Smet, Lung-Han Peng, S. C. Palmateer, Tom P. E. Broekaert, Clifton G. Fonstad
Publikováno v:
Journal of Applied Physics. 72:3664-3669
Infrared absorption and photocurrent measurements have been applied to study the photoresponse below the band gap of indium gallium arsenide (In0.53Ga0.47As) grown lattice matched to Fe‐doped semi‐insulating indium phosphide (InP) substrates by v
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::33f0a34cdde46761504df00afc6ff8c4
https://doi.org/10.1063/1.352310
https://doi.org/10.1063/1.352310
Autor:
William D. Goodhue, A. Napoleone, P. J. Taylor, Joseph P. Donnelly, S. S. Choi, Robert J. Bailey, Steven H. Groves, R.E. Reeder
Publikováno v:
IEEE Photonics Technology Letters. 12:974-976
All-active tapered-amplifier power splitters (TAPS) consisting of a single-mode input waveguide, which acts as a preamplifier, a two-dimensional (2-D) diffraction section, which amplifies the signal during the splitting process, and N single-mode out
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2508f6c805a7154aa221bafaf86c27f7
https://doi.org/10.1109/68.867979
https://doi.org/10.1109/68.867979
Publikováno v:
IEEE Photonics Technology Letters. 12:311-313
A model for the transmission and four-wave mixing (FWM) conversion efficiency of InGaAsP-InP passive quantum-well (QW) waveguides which includes the effect of an additional nonlinear loss due to the accumulation of photogenerated free carriers is int
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::77e66f0f068f7581de0a959ce66a4591
https://doi.org/10.1109/68.826924
https://doi.org/10.1109/68.826924
Autor:
Leo J. Missaggia, Stephen R. Chinn, M.W. Wright, Joseph P. Donnelly, Zong-Long Liau, P. J. Taylor, Steven H. Groves, James N. Walpole
Publikováno v:
IEEE Photonics Technology Letters. 12:257-259
A Gaussian lateral current-injection profile is approximated by a quasi-random pattern of electrically conducting and insulating regions. This pattern is used for the p-type contact in a laser with a 2.1-mm-long tapered gain region and operating near
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::89a95abf621a1b720e9333be83e74189
https://doi.org/10.1109/68.826906
https://doi.org/10.1109/68.826906
Autor:
Dyfrig A. Hughes, David Cohen, Frank David John Dunstan, Philip A. Routledge, Fasihul Alam, Steven H. Groves
Publikováno v:
Value in Health. 12(3)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6dce3293497e0b3b57f98a08ef0f11ca
Autor:
Joseph P. Donnelly, A. Napoleone, Leo J. Missaggia, Robert J. Bailey, R.E. Reeder, C.C. Cook, Steven H. Groves, James N. Walpole
Publikováno v:
IEEE Photonics Technology Letters. 10:1377-1379
High-power diode lasers consisting of a a tapered region have waveguide section coupled to fabricated in 1.5-/spl mu/m InGaAsP-InP multiple-quantum-well material. Self-focusing at high current densities and high intensity input into the taper section
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a193d2fc7ee35e134d4ff6da03b5f855
https://doi.org/10.1109/68.720266
https://doi.org/10.1109/68.720266