Search Results - "Booshehri, L G"
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Chirality-selective excitation of coherent phonons in carbon nanotubes by femtosecond optical pulses
Published in Physical review letters (23-01-2009)“…Using predesigned trains of femtosecond optical pulses, we have selectively excited coherent phonons of the radial breathing mode of specific-chirality…”
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Dephasing of G -band phonons in single-wall carbon nanotubes probed via impulsive stimulated Raman scattering
Published in Physical review. B, Condensed matter and materials physics (31-10-2012)“…We study the coherent dynamics of G-band phonons in single-wall carbon nanotubes through impulsive stimulated Stokes and anti-Stokes Raman scattering. The…”
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Resonant coherent phonon spectroscopy of single-walled carbon nanotubes
Published in Physical review. B, Condensed matter and materials physics (01-05-2009)Get full text
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Circular polarization dependent cyclotron resonance in large-area graphene in ultrahigh magnetic fields
Published in Physical review. B, Condensed matter and materials physics (04-05-2012)Get full text
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Coherent phonons in carbon nanotubes and graphene
Published in Chemical physics (21-02-2013)“…[Display omitted] . ► We studied coherent phonons in carbon nanomaterials using ultrafast spectroscopy. ► Coherent phonon signal depends the laser excitation…”
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Dephasing of G-Band Phonons in Single-Wall Carbon Nanotubes Probed via Impulsive Stimulated Raman Scattering
Published 19-10-2012“…Physical Review B 86, 161415(R) (2012) We have studied the coherent dynamics of G-band phonons in single-walled carbon nanotubes through impulsive stimulated…”
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Coherent Phonons in Carbon Nanotubes and Graphene
Published 28-05-2012“…Chemical Physics 413, 55 (2013) We review recent studies of coherent phonons (CPs) corresponding to the radial breathing mode (RBM) and G-mode in single-wall…”
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Circular-Polarization Dependent Cyclotron Resonance in Large-Area Graphene in Ultrahigh Magnetic Fields
Published 14-01-2012“…Physical Review B 85, 205407 (2012) Using ultrahigh magnetic fields up to 170 T and polarized midinfrared radiation with tunable wavelengths from 9.22 to 10.67…”
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Near-band-edge resonant excitation of coherent phonons in carbon nanotubes
Published in CLEO/QELS: 2010 Laser Science to Photonic Applications (01-05-2010)“…In contrast to the previously-studied coherent phonons excited through high-energy (E 22 ) transitions, the redial breathing modes show comparable intensities…”
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Conference Proceeding -
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Polarization dependence of coherent phonon generation and detection in highly-aligned single-walled carbon nanotubes
Published 19-07-2010“…Physical Review B 83, 195411 (2011) We have investigated the polarization dependence of the generation and detection of radial breathing mode (RBM) coherent…”
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Resonant Coherent Phonon Spectroscopy of Single-Walled Carbon Nanotubes
Published 01-06-2009“…Phys. Rev. B, 79, 205434 (2009) Using femtosecond pump-probe spectroscopy with pulse shaping techniques, one can generate and detect coherent phonons in…”
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Carbon Nanotube Terahertz Polarizer
Published 14-03-2009“…Nano Letters 9, 2610 (2009) We describe a film of highly-aligned single-walled carbon nanotubes that acts as an excellent terahertz linear polarizer. There is…”
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Chirality-Selective Excitation of Coherent Phonons in Carbon Nanotubes
Published 19-12-2008“…Physical Review Letters 102, 037402 (2009) Using pre-designed trains of femtosecond optical pulses, we have selectively excited coherent phonons of the radial…”
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Coherent lattice vibrations in small diameter single-walled carbon nanotubes
Published in 2009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum electronics and Laser Science Conference (01-05-2009)“…We report on coherent phonon oscillations of non-resonantly excited RBMs at the excitation as high as 300 meV above the E 11 transition level for (6, 5) and…”
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Conference Proceeding -
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Circular polarization dependent cyclotron resonance in large-area graphene in ultrahigh magnetic fields
Published in Physical review. B, Condensed matter and materials physics (15-05-2012)“…Using ultrahigh magnetic fields up to 170 T and polarized midinfrared radiation with tunable wavelengths from 9.22 to 10.67 mu m, we studied cyclotron…”
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17
Resonant Coherent Phonon Generation in Single-Walled Carbon Nanotubes through Near-Band-Edge Excitation
Published 08-12-2009“…ACS Nano 4, 3222 (2010) We have observed large-amplitude coherent phonon oscillations of radial breathing modes (RBMs) in single-walled carbon nanotubes…”
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Terahertz and infrared conductivity of large-area graphene
Published in 2011 International Conference on Infrared, Millimeter, and Terahertz Waves (01-10-2011)“…We use terahertz time-domain spectroscopy and Fourier-transform infrared spectroscopy to investigate carrier dynamics in large-area…”
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Conference Proceeding -
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Cyclotron resonance in graphene at ultrahigh magnetic fields
Published in 2011 International Conference on Infrared, Millimeter, and Terahertz Waves (01-10-2011)“…Cyclotron resonance measurements in CVD-grown, large-area graphene at ultrahigh magnetic fields were performed, where polarization and wavelength dependence…”
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Coherent phonon oscillations excited by the E11 ttransition in micelle-suspended single-walled carbon nanotubes
Published in 2008 Conference on Lasers and Electro-Optics and 2008 Conference on Quantum Electronics and Laser Science (01-05-2008)“…We report the observation of coherent phonon oscillations of RBMS excited by the E 11 transition in isolated SWNTs. We observe stronger intensity for the…”
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Conference Proceeding