Search Results - "Marshall, O P"

Electrically controlled water permeation through graphene oxide membranes by Zhou, K.-G., Vasu, K. S., Cherian, C. T., Neek-Amal, M., Zhang, J. C., Ghorbanfekr-Kalashami, H., Huang, K., Marshall, O. P., Kravets, V. G., Abraham, J., Su, Y., Grigorenko, A. N., Pratt, A., Geim, A. K., Peeters, F. M., Novoselov, K. S., Nair, R. R.

“…Controlled transport of water molecules through membranes and capillaries is important in areas as diverse as water purification and healthcare technologies 1…”
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Gain modulation by graphene plasmons in aperiodic lattice lasers by Chakraborty, S., Marshall, O. P., Folland, T. G., Kim, Y.-J., Grigorenko, A. N., Novoselov, K. S.

“…Two-dimensional graphene plasmon-based technologies will enable the development of fast, compact, and inexpensive active photonic elements because, unlike…”
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Nanomechanical electro-optical modulator based on atomic heterostructures by Thomas, P. A., Marshall, O. P., Rodriguez, F. J., Auton, G. H., Kravets, V. G., Kundys, D., Su, Y., Grigorenko, A. N.

“…Two-dimensional atomic heterostructures combined with metallic nanostructures allow one to realize strong light–matter interactions. Metallic nanostructures…”
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Applied optics. Gain modulation by graphene plasmons in aperiodic lattice lasers by Chakraborty, S, Marshall, O P, Folland, T G, Kim, Y-J, Grigorenko, A N, Novoselov, K S

“…Two-dimensional graphene plasmon-based technologies will enable the development of fast, compact, and inexpensive active photonic elements because, unlike…”
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Engineering optical properties of a graphene oxide metamaterial assembled in microfluidic channels by Kravets, V G, Marshall, O P, Nair, R R, Thackray, B, Zhukov, A, Leng, J, Grigorenko, A N

“…The dense packing of two dimensional flakes by van der Waals forces has enabled the creation of new metamaterials with desirable optical properties. Here we…”
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Graphene light modulators working at near-infrared wavelengths by Aznakayeva, D E, Rodriguez, F J, Marshall, O P, Grigorenko, A N

“…We demonstrate a graphene-based electro-absorption modulator with extremely small modulation volume that can be controlled by low gating voltages 1-3 V and…”
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The reproducibility and transferability of a THz quantum cascade laser design between two MBE growth manufacturers’ platforms by Beere, H.E., Freeman, J.R., Marshall, O.P., Worrall, C.H., Ritchie, D.A

“…We report a comprehensive study into the growth of a 2.9 THz quantum cascade laser structure on two different molecular beam epitaxy manufacturers’ systems;…”
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Nonlinear light mixing by graphene plasmons by Kundys, D, Van Duppen, B, Marshall, O. P, Rodriguez, F, Torre, I, Tomadin, A, Polini, M, Grigorenko, A. N

“…Graphene is known to possess strong optical nonlinearity. Its nonlinear response can be further enhanced by graphene plasmons. Here, we report a novel…”
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Electrically controlled water permeation through graphene oxide membranes by Zhou, K. -G, Vasu, K. S, Cherian, C. T, Neek-Amal, M, Zhang, J. C, Ghorbanfekr-Kalashami, H, Huang, K, Marshall, O. P, Kravets, V. G, Abraham, J, Su, Y, Grigorenko, A. N, Pratt, A, Geim, A. K, Peeters, F. M, Novoselov, K. S, Nair, R. R

“…Nature 559, 236-240, 2018 Developing 'smart' membranes that allow precise and reversible control of molecular permeation using external stimuli would be of…”
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Gain Modulation by Graphene Plasmons in Aperiodic Lattice Lasers by Chakraborty, S, Marshall, O. P, Folland, T. G, Kim, Y. -J, Grigorenko, A. N, Novoselov, K. S

“…Science 351, 246-248 (2016) Two-dimensional graphene plasmon-based technologies will enable the development of fast, compact and inexpensive active photonic…”
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High-accuracy heterodyne detection of THz radiation exploiting telecommunication technologies by Folland, T. G., Ramos-Pulido, A., Marshall, O. P., Beere, H. E., Ritchie, D. A., Chakraborty, S.

“…We report the first open-loop heterodyne technique using standard telecom optical fiber components for spectral characterization of THz semiconductor lasers…”
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Time-resolved THz laser spectra using a fiber-interfaced optical heterodyne system by Folland, T. G., Ramos-Pulido, A., Marshall, O. P., Beere, H. E., Ritchie, D. A., Chakraborty, S.

“…We report the first fully fiber-interfaced heterodyne system for time-resolved spectral characterization of THz quantum cascade lasers. By exploiting the bias…”
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Electronic switching mechanism in aperiodic DFB lasers by Folland, T. G., Khairuzzaman, Md, Marshall, O. P., Beere, H. E., Ritchie, D. A., Chakraborty, S.

“…For the first time, we present direct experimental evidence of the presence of spatial hole burning within switchable aperiodic DFB terahertz quantum cascade…”
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Switchable aperiodic distributed feedback lasers: Time domain modelling and experiment by Chakraborty, S., Chen-Wei Hsin, Marshall, O. P., Khairuzzaman, M.

“…We present a perturbative aperiodic distributed feedback grating embedded within a Fabry-Pérot cavity. Time domain modelling revealed electronic switching…”
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Y-coupled terahertz quantum cascade lasers by Marshall, O. P., Chakraborty, S., Khairuzzaman, M., Beere, H. E., Ritchie, D. A.

“…Two independently electrically driven terahertz quantum cascade lasers are optically coupled in a Y-configuration. Total peak output powers and emission…”
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Gain control using graphene plasmons in aperiodic DFB lasers by Folland, T. G., Marshall, O. P., Kim, Y.-J, Novoselov, K. S., Chakraborty, S.

“…We integrate tunable graphene plasmons into a THz laser waveguide with an aperiodic hologram lattice. This allows us to control the cavity photon lifetime and…”
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Hybrid graphene plasmonic waveguide modulators by Ansell, D, Thackray, B. D, Aznakayeva, D. E, Thomas, P, Auton, G. H, Marshall, O. P, Rodriguez, F. J, Radko, I. P, Han, Z, Bozhevolnyi, S. I, Grigorenko, A. N

“…The unique optical and electronic properties of graphene allow one to realize active optical devices. While several types of graphene-based photonic modulators…”
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