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Related papers: Rabi Waves in Carbon Nanotubes - Experiment

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Decay of Rabi oscillations of equivalent spins diluted in diamagnetic solid matrix and coupled by magnetic dipole interactions is studied. It is shown that these interactions result in random shifts of spin transient nutation frequencies…

Mesoscale and Nanoscale Physics · Physics 2014-06-24 E. I. Baibekov

Bending-mode vibrations of carbon nanotube resonator devices were mechanically detected in air at atmospheric pressure by means of a novel scanning force microscopy method. The fundamental and higher order bending eigenmodes were imaged at…

Mesoscale and Nanoscale Physics · Physics 2012-07-12 D. Garcia-Sanchez , A. San Paulo , M. J. Esplandiu , F. Perez-Murano , L. Forro , A. Aguasca , A. Bachtold

An electromagnetic wave propagating through a waveguide with a strongly coupled superconducting artificial two-level atom exhibits an evolving superposition with the atom. The Rabi oscillations in the atom result from a single…

Quantum Physics · Physics 2024-12-02 A. V. Vasenin , Sh. V. Kadyrmetov , A. N. Bolgar , A. Yu. Dmitriev , O. V. Astafiev

We design and implement 3D lumped element microwave cavities for the coherent and uniform coupling to electron spins hosted by nitrogen vacancy centers in diamond. Our design spatially focuses the magnetic field to a small mode volume. We…

The lineshapes of the Raman excitation profiles for radial breathing modes in carbon nanotubes are shown to be strongly affected by interference effects that arise whenever strong optical transitions are separated by a small energy. This is…

Materials Science · Physics 2009-11-10 G. Bussi , J. Menendez , J. Ren , M. Canonico , E. Molinari

Coherent conversion between a Raman pump field and its Stokes field is observed in a Raman process with a strong atomic spin wave initially prepared by another Raman process operated in the stimulated emission regime. The oscillatory…

Quantum Physics · Physics 2015-05-19 L. Q. Chen , Guo-Wan Zhang , Cheng-ling Bian , Chun-Hua Yuan , Z. Y. Ou , Weiping Zhang

Rabi oscillations of a two-level atom appear as a quantum interference effect between the amplitudes associated to atomic superpositions, in analogy with the classic double-slit experiment which manifests a sinusoidal interference pattern.…

Resonant Raman scattering of degenerate interacting two-channel quantum wire is studied. {\it All} collective excitations of two-channel quantum wire are shown to give rise to peaks in the polarized Raman spectra near resonance. If there…

Strongly Correlated Electrons · Physics 2009-11-07 Hyun C. Lee

We report experimental studies of spin-wave excitations in individual 22 nm thick Ni80Fe20 nanotubes with diameters of about 150 nm by means of Brillouin light-scattering (BLS) spectroscopy. Irradiated by microwaves we resolve sets of…

Mesoscale and Nanoscale Physics · Physics 2022-04-28 Maria Carmen Giordano , Mohammad Hamdi , Andrea Mucchietto , Dirk Grundler

Electrically driven spin resonance is a powerful technique for controlling semiconductor spin qubits. However, it faces challenges in qubit addressability and off-resonance driving in larger systems. We demonstrate coherent bichromatic Rabi…

The interest of micro and tip-enhanced Raman spectroscopy to analyze nanosized and nanostructured materials, chiefly semiconductors, oxides and pristine or functionalized carbon nanotubes, is reviewed at the light of the contributions to…

Materials Science · Physics 2007-06-07 Philippe Colomban , Gwénael Gouadec

Free electron laser-powered pulsed electron paramagnetic resonance (EPR) experiments performed at 240 GHz / 8.56 T on the crystalline organic radical BDPA reveal a tip-angle dependent resonant frequency. Frequency shifts as large as 11 MHz…

Mesoscale and Nanoscale Physics · Physics 2020-02-05 C. Blake Wilson , Devin T. Edwards , Jessica A. Clayton , Songi Han , Mark S. Sherwin

In terms of lattice dynamics theory, we study the vibrational properties of the oxygen-functionalized single wall carbon nanotubes (O-SWCNs). Due to the C-O and O-O interactions, many degenerate phonon modes are split and even some new…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Z. X. Guo , J. W. Ding , Y. Xiao , D. Y. Xing

We report Raman scattering measurements on iron-pnictide superconductor Ba(Fe$_{1-x}$Co$_x$)$_2$As$_2$ single crystals with varying cobalt $x$ content. The electronic Raman continuum shows a strong spectral weight redistribution upon…

Superconductivity · Physics 2011-10-07 L. Chauvière , Y. Gallais , M. Cazayous , M. A. Méasson , A. Sacuto , D. Colson , A. Forget

We used tip-enhanced Raman spectroscopy to study the diameter-dependent Raman modes in a contacted carbon nanotube rope. We show that with the near-field tip enhancement a large number of nanotubes within a rope can be identified, even if…

Mesoscale and Nanoscale Physics · Physics 2012-08-30 Karin Goß , Niculina Peica , Christian Thomsen , Janina Maultzsch , Claus M. Schneider , Carola Meyer

Motivated by the recent experiment of p-wave interacting $^{40}\mathrm{K}$ atom gases in a deep optical lattice, we investigated the Rabi oscillation for any partial wave interacting quantum gases in a deep optical lattice. We first review…

Quantum Gases · Physics 2024-06-05 Zeqing Wang , Ran Qi

In the approach to the stationary regime, a spaser exhibits complicated and highly nonlinear dynamics with anharmonic oscillations.1 We demonstrate that these oscillations are due to Rabi oscillations of the quantum dot in the field of the…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 E. S. Andrianov , A. A. Pukhov , A. V. Dorofeenko , A. P. Vinogradov , A. A. Lisyansky

We present the theory of interaction between a polar vibration in a semiconductor and an electromagnetic mode of a surrounding cavity. Tuning the cavity frequency near the transverse optical phonon frequency couples the phonon-induced…

Materials Science · Physics 2007-05-23 Hadley M. Lawler , Jason N. Byrd , Gavin K. Brennen

We predict and theoretically investigate the new coherent effect of nonlinear quantum optics -- spatial propagation of Rabi oscillations (Rabi waves) in one-dimensional quantum dot (QD) chain. QD-chain is modeled by the set of two-level…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 G. Ya. Slepyan , Y. D. Yerchak , A. Hoffmann , F. G. Bass

From resonant Raman scattering on isolated nanotubes we obtained the optical transition energies, the radial breathing mode frequency and Raman intensity of both metallic and semiconducting tubes. We unambiguously assigned the chiral index…

Materials Science · Physics 2009-11-10 H. Telg , J. Maultzsch , S. Reich , F. Hennrich , C. Thomsen