Search Results - "S. Wiederhecker, G."

Brillouin scattering self-cancellation by Florez, O., Jarschel, P. F., Espinel, Y. A. V., Cordeiro, C. M. B., Mayer Alegre, T. P., Wiederhecker, G. S., Dainese, P.

“…The interaction between light and acoustic phonons is strongly modified in sub-wavelength confinement, and has led to the demonstration and control of…”
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Stimulated Brillouin scattering from multi-GHz-guided acoustic phonons in nanostructured photonic crystal fibres by Russell, P. St. J, Dainese, P, Joly, N, Knight, J. C, Wiederhecker, G. S, Fragnito, H. L, Laude, V, Khelif, A

“…Wavelength-scale periodic microstructuring dramatically alters the optical properties of materials. An example is glass photonic crystal fibre (PCF), which…”
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Brillouin Optomechanics in Coupled Silicon Microcavities by Espinel, Y. A. V., Santos, F. G. S., Luiz, G. O., Alegre, T. P. Mayer, Wiederhecker, G. S.

“…The simultaneous control of optical and mechanical waves has enabled a range of fundamental and technological breakthroughs, from the demonstration of…”
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Field enhancement within an optical fibre with a subwavelength air core by Wiederhecker, G. S, Cordeiro, C. M. B, Couny, F, Benabid, F, Maier, S. A, Knight, J. C, Cruz, C. H. B, Fragnito, H. L

“…Tightly confined light enables a variety of applications ranging from nonlinear light management to atomic manipulation. Photonic-crystal fibres (PCFs) can…”
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Raman-like light scattering from acoustic phonons in photonic crystal fiber by Dainese, P, Russell, P St J, Wiederhecker, G S, Joly, N, Fragnito, H L, Laude, V, Khelif, A

“…Raman and Brillouin scattering are normally quite distinct processes that take place when light is resonantly scattered by, respectively, optical and acoustic…”
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High-frequency GaAs optomechanical bullseye resonator by C. Carvalho, N., Benevides, R., Ménard, M., S. Wiederhecker, G., C. Frateschi, N., Mayer Alegre, T. P.

“…The integration of optomechanics and optoelectronics in a single device opens new possibilities for developing information technologies and exploring…”
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Coherent control of ultrahigh-frequency acoustic resonances in photonic crystal fibers by Wiederhecker, G S, Brenn, A, Fragnito, H L, Russell, P St J

“…Ultrahigh frequency acoustic resonances (approximately 2 GHz) trapped within the glass core (approximately 1 microm diameter) of a photonic crystal fiber are…”
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Models for guidance in kagome-structured hollow-core photonic crystal fibres by Pearce, G J, Wiederhecker, G S, Poulton, C G, Burger, S, St J Russell, P

“…We demonstrate by numerical simulation that the general features of the loss spectrum of photonic crystal fibres (PCF) with a kagome structure can be explained…”
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High-Frequency GaAs Optomechanical Bullseye Resonator by Carvalho, N. C, Benevides, R, Ménard, M, Wiederhecker, G. S, Frateschi, N. C, Alegre, T. P. Mayer

“…The integration of optomechanics and optoelectronics in a single device opens new possibilities for developing information technologies and exploring…”
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Coherent Control of Ultra-High Frequency Acoustic Resonances in Photonic Crystal Fibers by Wiederhecker, G. S, Brenn, A, Fragnito, H. L, Russell, P. St. J

“…Phys. Rev. Lett. 100, 203903 (2008) Ultra-high frequency acoustic resonances ($\backsim$2 GHz) trapped within the glass core ($\backsim$1 $\mu$m diameter) of a…”
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Enantioselective optical forces in gain-functionalized single core-shell chiral nanoparticles by Ali, R, Pinheiro, F. A, Dutra, R. S, Alegre, T. P. Mayer, Wiederhecker, G. S

“…We propose a gain-assisted enantioselective scheme in dye-doped chiral particles, demonstrating optical pulling and pushing forces that can be tuned using…”
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Synchronization of coupled optomechanical oscillators by Mian Zhang, Wiederhecker, G. S., Manipatruni, S., Barnard, A., McEuen, P. L., Lipson, M.

“…We demonstrate experimentally the synchronization of two micromechanical oscillators actuated by the optical radiation field. The mutual coupling is purely…”
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Determination of Er-fibre L-band gain coefficient from measured ASE spectra by Rieznik, A.A., Wiederhecker, G.S., Alegre, T.P.M., Fragnito, H.L.

“…We show that the gain coefficient in Er-fibres in the L-band region can be directly determined as a function of wavelength from easily measured ASE output…”
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Dispersion Control in Silicon Oxide Wedge Microdisks by Santos, Lais F., Inga, Marvyn, Soares, Jorge H., Alegre, T. P. Mayer, Wiederhecker, G. S.

“…We demonstrate the generation of optical frequency combs by engineering the dispersion of a small radius (100 microns) thin wedge microcavity. The…”
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Raman-like scattering from acoustic phonons in photonic crystal fibre by Dainese, P., Russell, P.S.J., Wiederhecker, G.S., Joly, N., Fragnito, H.L.

“…Strong in-plane confinement of acoustic phonons in air-glass PCFs with sub-wavelength-scale cores is shown to result in an acoustic mode cut-off frequency,…”
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Tunable third-harmonic generation in silicon oxide wedge microcavities by Soares, Jorge H., Santos, Felipe G., Fujii, Lais, Wiederhecker, G. S., Mayer Alegre, T.P.

“…We demonstrate tunable third-harmonic generation (THG) using a multimode microcavity. The silicon-oxide wedge-resonator is pumped around 1550 nm telecom band…”
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Sub-Wavelength Intensity Profiles and Field Enhancement within an Optical Fiber by Wiederhecker, G.S., Cordeiro, C.M.B., Couny, F., Benabid, F., Maier, S.A., Knight, J.C., Cruz, C.H.B., Fragnito, H.L.

“…We demonstrate concentration of optical energy within a sub-wavelength air hole running the length of an optical fiber. The fiber core resembles a tiny tube…”
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Controlling Acousto-Optic Interactions in Photonic Crystal Fiber with Sub-Wavelength Core-Hole by Wiederhecker, G.S., Brenn, A., Hundertmark, H., Cordeiro, C.M.B., Knight, J.C., Russell, P.S.J., Fragnito, H.L.

“…The quasi-Raman interaction between confined acoustic phonons and light in PCF is strongly altered by the introduction of a sub-wavelength hole running axially…”
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Demonstration of Brillouin scattering self-cancellation by Florez, O., Jarschel, P. F., Espinel, Y. A. V., Cordeiro, C. M. B., Mayer Alegre, T. P., Wiederhecker, G. S., Dainese, P.

“…We experimentally demonstrate the cancellation of Brillouin scattering by engineering a sub-wavelength diameter silica wire with exactly opposite photo-elastic…”
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Synchronization of micromechanical oscillators using light by Zhang, M., Wiederhecker, G. S., Manipatruni, S., Barnard, A. W., McEuen, P., Lipson, M.

“…Synchronization on the nanoscale has a wide range of applications ranging from timing, navigation, signal processing, microwave communication and novel…”
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