Synonyme wurden verwendet für: quantenpunkt
Suche ohne Synonyme: quantenpunkt

51–100 von 393 Ergebnissen
|

    Quantum dot lasers and optoelectronic device integration

    Sears, K. / Mokkapati, S. / Buda, M. et al. | IEEE | 2005
    This paper highlights quantum dot (QD) lasers and QD optoelectronic device integration. The emission spectrum, room temperature ...

    Unidirectional operation of quantum-dot ring lasers

    Hongjun Cao, / Hui Deng, / Hai Ling, et al. | IEEE | 2005
    First monolithically integrated ridge-waveguide InAs/InGaAs quantum-dot ring lasers are fabricated and characterized. Enhanced by a forward ...

    Optical amplification in silicon quantum dot superlattices

    Ruan, J. / Chen, H. / Fauchet, P.M. | IEEE | 2005
    We report results on optical gain in superlattices containing nm-thick Si quantum dot layers. Using VSL method a fast (nsec) ASE component ...

    Localised recombination and gain in quantum dots

    Pask, H.J. / Summers, H.D. / Blood, P. | IEEE | 2005

    Coherent Nonlinear Effects in Single Quantum Dots

    Kamada, H. / Gotoh, H. / Hughes, S. | IEEE | 2005

    Anticompetition of laser modes in quantum dot lasers

    Yi-Shin Su, / Ching-Fuh Lin, | IEEE | 2005
    Laser-mode anticompetition is observed in a quantum-dot laser. The laser is operated at 1168.5 nm and 1262.3 nm wavelength simultaneously ...

    Quantum dot infrared sensors with photonic crystal cavity

    Krishna, S. / Posani, K.T. / Tripathi, V. et al. | IEEE | 2005
    infrared photodetector temperature of the quantum dot detector. The results of spectral response measurements of InAs/InGaAs/GaAs dots-in-well ...

    Quantum dot photonics: edge emitter, amplifier and VCSEL

    Hopfer, F. / Kuntz, M. / Lammlin, M. et al. | IEEE | 2005

    Photonic crystal and III-N quantum dot laser

    Aoyagi, Y. / Inoue, S. / Takeuchi, M. et al. | IEEE | 2005
    Deep UV light emitting devices are important for future medical, environmental and IT applications. Generation of DUV light using quantum ...

    Magnetization imaging of single CdMnTe/ZnTe quantum dots

    Smith, L.M. / Gurung, T. / Mackowski, S. et al. | IEEE | 2005

    Excitation induced polarization decay in semiconductor quantum dots

    Schneider, H.C. / Chow, W.W. / Koch, S.W. | IEEE | 2005
    Excitation induced polarization dephasing in semiconductor quantum-dots is computed using a microscopic approach. The Coulomb interaction ...

    Quantum dots based technology for multiple wavelength conversion

    Alexander, D. / Deogun, J.S. / Hamza, H.S. et al. | IEEE | 2005
    results related to the emission and response time characteristics of single and a mix of two different types of quantum dots with emission in the ...

    Quantum-dot photon detectors and photon-counting terahertz imaging

    Ikushima, K. / Hasegawa, T. / Komiyama, S. et al. | IEEE | 2005
    of 0.13mm. The system incorporates quantum-dot photon detectors into a scanning confocal optical microscope. Minimal requirements for ...

    Electroluminescence from a single quantum dot at telecommunication wavelength

    Miyazawa, T. / Tatebayashi, J. / Nakaoka, T. et al. | IEEE | 2005
    We have fabricated single quantum dot light emitting diodes and observed over 1.3/spl mu/m electroluminescence for the first time. The ...

    Nano-scale quantum dot optical transducers by self-assembly

    Hegg, M.C. / Chia-Jean Wang, / Lin, L.Y. et al. | IEEE | 2005
    We propose a nano-scale optical transducer for future all-optical quantum circuits. The device is comprised of an array of quantum dot ...

    Differential refractive index in 1320 nm quantum-dot lasers

    Hegarty, S.P. / Carroll, O. / Houlihan, J. et al. | IEEE | 2005

    Optically pumping the spin of a single quantum dot

    Gammon, D. | IEEE | 2005
    quantum dots. ...

    Semiconductor quantum dot micropillar cavities for quantum electrodynamic experiments

    Loffler, A. / Hofmann, C. / Reitzenstein, S. et al. | IEEE | 2005
    A high-Q vertical emitting AlAs/GaAs Fabry-Perot micropillar cavities are fabricated, with a new type of GaInAs quantum dots within a one ...

    Photonic crystal quantum-dot laser with ultra-low threshold

    Strauf, S. / Hennessy, K. / Rakher, M.T. et al. | IEEE | 2005
    We have fabricated L3-type photonic crystal microcavities with embedded InAs/GaAs quantum dots as active material. Single mode lasing has ...

    Enhancement of resonant Raman scattering from ZnO quantum dots

    Wen-Feng Hsieh, / Hsu-Cheng Hsu, / Hsin-Ming Cheng, et al. | IEEE | 2005
    Efficient resonant Raman scattering (RRS) were observed in ZnO quantum dots (ZnO-QDs). The size dependent shift of UV-emission reveals ...

    Single photon sources based on single InGaAs quantum dots

    Jen-Inn Chyi, / Tung-Po Hsieh, / Hsiang-Szu Chang, et al. | IEEE | 2005

    Unravelling elementary non-radiative effects in nanocrystal quantum dots

    Lagoudakis, P.G. / Kraus, R.M. / Rogach, A.L. et al. | IEEE | 2005

    InAs Quantum Dot Lasers on GaAs Substrate with 12 Layers

    Shimizu, H. / Saravanan, S. | IEEE | 2005
    Multilayered InAs quantum dot (QD) on the GaAs substrate up to 12 layers has been successfully stacked. Very low threshold current density ...

      InAs Quantum Dot Lasers on GaAs Substrate with 12 Layers

      Shimizu, H. / Saravanan, S. | IEEE | 2005
      Multilayered InAs quantum dot (QD) on the GaAs substrate up to 12 layers has been successfully stacked. Very low threshold current density ...

    Room temperature operation of resonant tunneling quantum dot infrared detectors

    Chakrabarti, S. / Su, X.H. / Ariyawansa, G. et al. | IEEE | 2005
    We present a novel tunnel quantum dot infrared photodetector which exhibit large photoresponse at 6/spl mu/m and 17/spl mu/m at 300K and ...

    Quantum-dot lasing and photonic molecule behavior in microdisk lasers

    Baba, T. / Ide, T. / Ishi, S. et al. | IEEE | 2005

    100-nm quantum dot waveguides by two-layer self-assembly

    Chia-Jean Wang, / Lin, L.Y. / Parviz, B.A. | IEEE | 2005
    We demonstrate for the first time fabrication of 100 nm and 500 nm quantum dot waveguides, whose design relies on stimulated emission to ...

    Tracking Single Quantum Dots in Live Cells with Minimal Paths

    Bonneau, S. / Dahan, M. / Cohen, L.D. | IEEE | 2005
    We present here a novel method for automatically detecting and tracking semi-conductor quantum dots (QDs) in sequences of fluorescence ...

    Coupled-resonator optical waveguides (CROWs) doped with semiconductor quantum dots

    Moller, B.M. / Woggon, U. / Artemyev, M.V. | IEEE | 2005

    Multilayers of PbTe quantum dots embedded in SiO/sub 2/

    Rodriguez, E. / Jimenez, E. / Padilha, L.A. et al. | IEEE | 2005
    In the present work, PbTe quantum dots embedded in a dielectric host (SiO/sub 2/) were fabricated. The structural and optical properties of ...

    Spin-coherence-induced hole burning in charged GaAs quantum dots

    Jun Cheng, / Xiaodong Xu, / Dutt, M.V.G. et al. | IEEE | 2005

    Photobleaching and resonant mode shift in a microsphere-quantum dot system

    Gerlach, M. / Rakovich, Y. / Donegan, J.F. et al. | IEEE | 2005

    Microscopic theory of photoluminescence from semiconductor quantum dots in microcavities

    Wiersig, J. / Aschenbrenner, T. / Baer, N. et al. | IEEE | 2005
    The dynamics of spontaneous and stimulated emission from semiconductor quantum dots in pillar microcavities is studied within a theory ...

    Optical nonlinearities in CdTe quantum-dot doped glass for optical switching

    Padilha, L.A. / Fu, J. / Hagan, D.J. et al. | IEEE | 2005
    We have studied the nonlinear absorption and refractive index in CdTe quantum dots in glass. We find that the nonlinearities differ from ...

    Population oscillations of two orthogonal states in a single quantum dot

    Wang, Q.Q. / Cheng, M.T. / Zhou, H.J. et al. | IEEE | 2005
    We investigated the exciton dynamics in a single self-assembled quantum dot with a V-type three-level structure. Using tailored pulse pairs ...

    Theory of pattern-free optical soliton amplification by quantum dot SOAs

    Wabnitz, S. / Kielem, W. | IEEE | 2005
    patterning effects by using quantum dot semiconductor optical amplifiers. ...

    Gain measurement of broadband quantum dot SOA by two-section technique

    Yi-Shin Su, / Wei-Che Chang, / Chao-Hsin Wu, et al. | IEEE | 2005

    Quantum-dot based saturable absorber for mode locking of fibre lasers

    Herda, R. / Okhotnikov, O.G. / Rafailov, E.U. et al. | IEEE | 2005
    We demonstrate stable mode locking in a Yb-based fiber laser by using a multiple layer quantum-dot saturable absorber mirror. 2.8 ps pulses ...

    20 GHz colliding pulse mode-locking of InGaAs quantum dot lasers

    Thompson, M.G. / Marinelli, C. / Zhao, X. et al. | IEEE | 2005
    Colliding pulse mode-locking is demonstrated for the first time in quantum-dot lasers. Close to transform limited, 7 ps, 20 GHz pulses are ...

    Spectrally-resolved dynamics of two-state lasing in quantum-dot lasers

    Mao, M.-H. / Su, L.-C. / Wang, K.-C. et al. | IEEE | 2005
    Spectrally-resolved dynamics of two-state lasing in quantum-dot lasers is experimentally demonstrated for the first time in this study. The ...

    A nanophotonic NOT-gate using near-field optically coupled quantum dots

    Kawazoe, T. / Kobayashi, K. / Ohtsu, M. | IEEE | 2005
    We demonstrate, for the first time, operation of a nanometric (20 nm) optical NOT-gate using quantum dots coupled by an optical near-field ...

    Optically stimulated and spontaneously generated electron spin coherence in quantum dots

    Xu, X. / Cheng, J. / Dutt, M.V.G. et al. | IEEE | 2005
    We report the observation of long-lived quantum beats in quantum dots (ensemble and single) due to electron spin coherence, resulting from ...

    Registration of single quantum dots for solid state cavity quantum electrodynamics

    Lee, K.H. / Green, A.M. / Brossard, F.S.F. et al. | IEEE | 2005
    We discuss a novel technique to register the spatial and spectral characteristics of a single quantum dot using two photon absorption laser ...

    Ultrafast all-optical switching in semiconductor quantum wells and quantum dots

    Wada, O. | IEEE | 2005
    has been demonstrated by a variety of principles including intersubband transition in quantum wells and absorption recovery in quantum dots. ...

    CdTe quantum-dot doped glass for 1 Tbit/s all-optical switching

    Padilha, L.A. / Cesar, C.L. / Barbosa, L.C. et al. | IEEE | 2005
    Carrier recombination in CdTe quantum-dots is shown to be faster than 1ps without accumulation in long-lived states. Thermal effects ...

    Quantum kinetics of phonon-assisted carrier transitions in semiconductor quantum dots

    Seebeck, J. / Nielsen, T.R. / Gartner, P. et al. | IEEE | 2005
    Results for carrier-phonon scattering in semiconductor quantum dots are presented on the basis of a quantum-kinetic theory. In contrast to ...

    Single mode performance of a single mode injection locked quantum dot laser

    Chu, Y. / Thompson, M.G. / Sellin, R.L. et al. | IEEE | 2005

    Coherent optical manipulation of quantum dot spins: a path into quantum computing

    Steel, D. / Cheng, J. / Wu, Y. et al. | IEEE | 2005
    Coherent control of quantum dot qubits transfers optical coherence to electronic coherence and provides a means to demonstrate details of ...

    InAs/InGaAs quantum dot Mach-Zehnder modulator at 1.55/spl mu/m

    Seong Hae Ok, / Young Tae Byun, / Chang Wan Son, et al. | IEEE | 2005

      InAs/InGaAs quantum dot Mach-Zehnder modulator at 1.55 /spl mu/m

      Seong Hae Ok, / Young Tae Byun, / Chang Wan Son, et al. | IEEE | 2005
      materials. Quantum dot (QD) devices have been predicted to be superior to bulk or MQW devices in optical nonlinearities and enhanced EO effects. ...

    Modulation efficiency of traveling-wave Mach-Zehnder electro-optic quantum dot modulator

    Yon Tae Moon, / Seong Hae Ok, / Chang Wan Son, et al. | IEEE | 2005
    A traveling-wave Mach-Zehnder type electro-optic modulator using InAs/InGaAs columnar quantum dots is fabricated. The device has the ...