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Numerical simulations of optical centroid measurements with nonclassical fields

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons37685

Gulfam,  Qurrat-ul-Ain
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society,;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons30455

Evers,  Jörg
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society,;

Externe Ressourcen
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1301.0774.pdf
(Preprint), 613KB

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Zitation

Gulfam, Q.-u.-A., & Evers, J. (2013). Numerical simulations of optical centroid measurements with nonclassical fields. Physical Review A, 87(2): 023804, pp. 1-14. doi:10.1103/PhysRevA.87.023804.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0013-F520-3
Zusammenfassung
Optical imaging methods are typically restricted to a resolution of order of the probing light wavelength $\lambda_p$ by the Rayleigh diffraction limit. This limit can be circumvented by making use of multiphoton detection of correlated $N$-photon states, having an effective wavelength $\lambda_p/N$. But the required $N$-photon detection usually renders these schemes impractical. To overcome this limitation, recently, so-called optical centroid measurements (OCM) have been proposed which replace the multi-photon detectors by an array of single-photon detectors. Complementary to the existing approximate analytical results, we explore the approach using numerical experiments by sampling and analyzing detection events from the initial state wave function. This allows us to quantitatively study the approach also beyond the constraints set by the approximate analytical treatment, to compare different detection strategies, and to analyze other classes of input states.