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Related papers: Single-pulse stimulated Raman scattering spectrosc…

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Single-beam spectrally controlled (SBSC) two-dimensional (2D) Raman spectroscopy is a unique 2D vibrational measurement technique utilizing trains of short pulses that are generated from a single broadband pulse by pulse shaping. This…

Chemical Physics · Physics 2021-03-30 Ju-Yeon Jo , Yoshitaka Tanimura

Raman spectroscopy is a widely-used non-destructive material characterization method, which provides information about the vibrational modes of the material and therefore of its atomic structure and chemical composition. Interpretation of…

Computational Physics · Physics 2023-02-09 Mohammad Bagheri , Hannu-Pekka Komsa

Using a quantum electrodynamic framework, we calculate the off-resonant scattering of a broad-band X-ray pulse from a sample initially prepared in an arbitrary superposition of electronic states. The signal consists of single-particle…

Chemical Physics · Physics 2015-06-19 Kochise Bennett , Jason D. Biggs , Yu Zhang , Konstantin E. Dorfman , Shaul Mukamel

The optical spectrum of a quantum system is jointly determined by the properties of the emitter and the driving field. All-optical spectral control can hence be a promising method to engineer the properties of single photon emitters for…

A new technique for obtaining switched wave packets using spectrally truncated chirped laser pulses is demonstrated experimentally and numerically by one-dimensional alignment of both linear and asymmetric top molecules. Using a simple…

We have employed the method of spectral moments to study the density of vibrational states and the Raman coupling coefficient of large 2- and 3- dimensional percolators at threshold and at higher concentration. We first discuss the over-and…

Condensed Matter · Physics 2009-10-28 G. Viliani , R. Dell'Anna , O. Pilla , M. Montagna , G. Ruoco , G. Signorelli , V. Mazzacurati

We demonstrate coherent anti-Stokes Raman scattering (CARS) microscopy in a wide-field setup with nanosecond laser pulse excitation. In contrast to confocal setups, the image of a sample can be recorded with a single pair of excitation…

Optics · Physics 2009-11-11 Christoph Heinrich , Stefan Bernet , Monika Ritsch-Marte

Split-pulse x-ray photon correlation spectroscopy has been proposed as one of the unique capabilities made possible with the x-ray free electron lasers. It enables characterization of atomic scale structural dynamics that dictates the…

Instrumentation and Detectors · Physics 2020-05-06 Yanwen Sun , Mike Dunne , Paul Fuoss , Taito Osaka , Aymeric Robert , Mark Sutton , Makina Yabashi , Diling Zhu

Raman sensing and Raman microscopy are amongst the most specific optical technologies to identify the chemical compounds of unknown samples, and to enable label-free biomedical imaging with molecular contrast. However, the high cost and…

The probability of emission of a single photon via Raman scattering of laser pulse on the three-level $\Lambda$ - type atom in microcavity is studied. The duration of the pulse is considered to be short enough, so that the hyperfine…

Quantum Physics · Physics 2015-05-14 V. A. Reshetov , I. V. Yevseyev

Surface Enhanced Raman Spectroscopy (SERS) is a well-established technique for enhancing Raman signals. Recently photonic integrated circuits have been used, as an alternative to microscopy based excitation and collection, to probe SERS…

We develop a generic theory for the resonant inelastic light (Raman) scattering by a conduction band quantum plasma taking into account the presence of the filled valence band in doped semiconductor nanostructures within a generalized…

Strongly Correlated Electrons · Physics 2009-11-07 Daw-Wei Wang , S. Das Sarma

By measuring the thermal effects resulting from stimulated Raman excitations, stimulated Raman photothermal (SRP) microscope offers a new access to spatially and temporally resolved Raman signatures across various sample types. Unlike…

Optics · Physics 2026-03-03 Yifan Zhu , Hongli Ni , Hongjian He , Yueming Li , Meng Zhang , Ji-Xin Cheng

We report on experimental realization of impulsive rotational Raman scattering from neutral nitrogen molecules in a femtosecond laser filament using an intense self-induced white-light seeding "air laser" generated during the filamentation…

The coherence of two, coupled two-level systems, representing vibrational modes in a semiclassical model, is calculated in weak and strong fields for various coupling schemes and for different relative phases between initial state…

Chemical Physics · Physics 2009-11-10 S. A. Malinovskaya , P. H. Bucksbaum , P. R. Berman

Many fields such as bio-spectroscopy and photochemistry often require sources of vacuum ultraviolet (VUV) pulses featuring a narrow linewidth and tunable over a wide frequency range. However, the majority of available VUV light sources do…

Optics · Physics 2020-06-11 Rinat Tyumenev , Philip St. J. Russell , David Novoa

Electron and vibrational dynamics of molecules are commonly studied by subjecting them to two interactions with a fast actinic pulse that prepares them in a nonstationary state and after a variable delay period $T$, probing them with a…

Quantum Physics · Physics 2015-03-31 Bijay Kumar Agarwalla , Hideo Ando , Konstantin E. Dorfman , Shaul Mukamel

Light scattering limits the penetration depth of non-invasive Raman spectroscopy in biological media. While safe levels of irradiation may be adequate to analyze superficial tissue, scattering of the pump beam reduces the Raman signal to…

High-harmonic spectroscopy of solids is a powerful tool, which provides access to both electronic structure and ultrafast electronic response of solids, from their band structure and density of states, to phase transitions, including the…

Optics · Physics 2022-08-31 Navdeep Rana , M. S. Mrudul , Daniil Kartashov , Misha Ivanov , Gopal Dixit

We revisit laser intensity noise in the context of stimulated Raman scattering (SRS), which has recently proved to be a key technique to provide label free images of chemical bonds in biological and medical samples. Contrary to most…

Instrumentation and Detectors · Physics 2019-10-29 Xavier Audier , Sandro Heuke , Peter Volz , Ingo Rimke , Hervé Rigneault
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