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We present a general relation between Mandel's $Q$ parameter describing variance of number of photons emitted from a single molecule and a three time correlation function describing a spectral diffusion process the molecule is undergoing.…

Statistical Mechanics · Physics 2007-05-23 Eli Barkai , YounJoon Jung , Robert Silbey

We studied intensity fluctuations of a single photon source relying on the pulsed excitation of the fluorescence of a single molecule at room temperature. We directly measured the Mandel parameter Q(T) over 4 orders of magnitude of…

Quantum Physics · Physics 2009-11-07 F. Treussart , R. Alleaume , V. Le Floc'h , L. T. Xiao , J. -M Courty , J. -F. Roch

n a recent experiment, we reported the time-domain intensity noise measurement of a single photon source relying on single molecule fluorescence control. In this article we present data processing, starting from photocount timestamps. The…

Quantum Physics · Physics 2009-11-10 Romain Alleaume , Francois Treussart , Jean-Michel Courty , Jean-Francois Roch

We derive the moment generating function for photon emissions from a single molecule driven by laser excitation. The frequencies of the fluoresced photons are explicitly considered. Calculations are performed for the case of a two level dye…

Statistical Mechanics · Physics 2009-08-14 Golan Bel , Frank L. Brown

We suggest an approach to detect the conformation of single molecule by using the photon counting statistics. The generalized Smoluchoswki equation is employed to describe the dynamical process of conformational change of single molecule.…

Chemical Physics · Physics 2014-11-13 Yonggang Peng , Zhen-Dong Sun , Chuanlu Yang , Yujun Zheng

In the realm of fundamental quantum science and technologies, non-classical states of light, such as single-photon Fock states, are widely studied. However, current standards and metrological procedures are not optimized for low light…

Single dye molecules at cryogenic temperatures display many spectroscopic phenomena known from free atoms and are thus promising candidates for fundamental quantum optical studies. However, the existing techniques for the detection of…

Quantum Physics · Physics 2008-02-12 Gert Wrigge , Ilja Gerhardt , Jaesuk Hwang , Gert Zumofen , Vahid Sandoghdar

The advent of single molecule optics has had a profound impact in fields ranging from biophysics to material science, photophysics, and quantum optics. However, all existing room-temperature single molecule methods have been based on…

Mesoscale and Nanoscale Physics · Physics 2010-07-22 Michele Celebrano , Philipp Kukura , Alois Renn , Vahid Sandoghdar

Single-molecule fluorescence spectroscopy is a powerful method that avoids ensemble averaging, but its temporal resolution is limited by the fluorescence lifetime to nanoseconds at most. At the ensemble level, two-dimensional spectroscopy…

Optics · Physics 2024-10-11 Sanchayeeta Jana , Simon Durst , Markus Lippitz

We extend the generating function technique for calculation of single molecule photon emission statistics [Y. Zheng and F. L. H. Brown, Phys. Rev. Lett., 90,238305 (2003)] to systems governed by multi-level quantum dynamics. This opens up…

Materials Science · Physics 2009-09-18 Golan Bel , Yujun Zheng , Frank L. H. Brown

We apply input-output theory with quantum pulses [AH Kiilerich, K M\o lmer, Phys. Rev. Lett. {\bf 123}, 123604 (2019)] to a model of a new type of two-photon detector consisting of one molecule that can detect two photons arriving…

Quantum Physics · Physics 2021-10-20 Saumya Biswas , S. J. van Enk

The detection of single molecules has facilitated many advances in life- and material-sciences. Commonly, it founds on the fluorescence detection of single molecules, which are for example attached to the structures under study. For…

Single molecule fluorescence tracking provides information at nm-scale and ms-temporal resolution about the dynamics and interaction of individual molecules in a biological environment. While the dynamic behavior of isolated molecules can…

Statistical Mechanics · Physics 2021-04-07 Horst-Holger Boltz , Alexei Sirbu , Nina Stelzer , Martin J. Lohse , Christof Schütte , Paolo Annibale

We present a feature-resolved methodology to analyse the photoluminescence dynamics of single emitters using a combination of lifetime, spectral, and photon correlation analyses. By integrating conventional ensemble photon statistics…

Single-molecule tracking is a powerful way to look at the dynamic organization of plasma membranes. However, there are some limitations to its use. For example, it was recently observed, using numerical simulation, that time-averaging…

Quantitative Methods · Quantitative Biology 2009-11-13 Nicolas Destainville , Laurence Salome

We investigate the distribution of number of photons emitted by a single molecule undergoing a spectral diffusion process and interacting with a continuous wave field. Using a generating function formalism an exact analytical formula for…

Statistical Mechanics · Physics 2009-11-10 Yong He , Eli Barkai

We extend the Purcell's original idea [Phys. Rev. \textbf{69}, 682 (1946)] on modification of photon spontaneous \textit{emission} rate to modification of photon spontaneous \textit{scattering} rate. We find the interplay of local incident…

Optics · Physics 2008-11-12 S. V. Gaponenko , D. V. Guzatov

The movement of molecules inside living cells is a fundamental feature of biological processes. The ability to both observe and analyse the details of molecular diffusion in vivo at the single molecule and single cell level can add…

Quantitative Methods · Quantitative Biology 2012-11-21 Alex Robson , Kevin Burrage , Mark Leake

We consider the theory of the non-linear spectroscopy for a single molecule undergoing stochastic dynamics and interacting with a sequence of two laser pulses. General expressions for photon counting statistics are obtained, and an exact…

Optics · Physics 2008-01-13 F. Shikerman , E. Barkai

Estimating the quality of a single-photon source is crucial for its use in quantum technologies. The standard test for semiconductor sources is a value of the second-order correlation function of the emitted field below $1/2$ at zero…

Quantum Physics · Physics 2020-05-12 Jorge Rolando Chavez-Mackay , Peter Grünwald , Blas Manuel Rodríguez-Lara
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