Hanbury Brown and Twiss measurements in curved space

Schultheiss, Vincent H.; Batz, Sascha; Peschel, Ulf

doi:10.1038/nphoton.2015.244

Cited by 41 publications

(36 citation statements)

References 29 publications

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“…Through the principle of least action (Fermat’s principle), the Bloch wave rays follow geodesics in the helically curved space. These geodesics spiral around inside the helically twisted PCF, trapping the light within a topological channel that we might call a “wormhole.” Because Bloch waves have much more complex effective mass tensors than light rays in, for example, curved thin-film waveguides ( 17 ), they open up many new opportunities, as seen in the current work.…”

Section: Resultsmentioning

confidence: 95%

Twist-induced guidance in coreless photonic crystal fiber: A helical channel for light

et al. 2016

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Section: Resultsmentioning

confidence: 95%

Twist-induced guidance in coreless photonic crystal fiber: A helical channel for light

et al. 2016

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“…Soon afterwards, this experiment inspired Glauber's seminal work on quantum optics theory, which described the photon correlation of different light fields by correlation functions within quantum statistics [26][27][28]. The photon correlation g (2) is fundamentally different from the first order correlation and is harnessed in many applications, such as photon bunching and anti-bunching measurement [29][30][31][32], spatial interference [33,34], ghost imaging [35][36][37], the azimuthal HBT effect [38], single photon detection [39], etc. The g (2) (τ) also carries a wealth of information on the statistical probability of different photons arriving at time delay τ [40].…”

Section: Introductionmentioning

confidence: 99%

Precise Photon Correlation Measurement of a Chaotic Laser

et al. 2019

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Featured Application: This technique of improving the accuracy of g (2) (τ) measurement is useful to extract higher order coherence and achieve desired laser source for quantum imaging and secure communication. Abstract:The second order photon correlation g (2) (τ) of a chaotic optical-feedback semiconductor laser is precisely measured using Hanbury Brown-Twiss interferometer. The accurate g (2) (τ) with non-zero delay time is obtained experimentally from the photon pair time interval distribution through a ninth-order self-convolution correction. The experimental results agrees well with the theoretical analysis. The relative error of g (2) (τ) is no more than 5‰ within 50 ns delay time. The bunching effect and coherence time of chaotic laser are measured via the precise photon correlation technique. This technique provides a new tool to improve the accuracy of g (2) (τ) measurement and boost the applications of quantum statistics and correlation.

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“…Experimentally it can be realized by covering a thin layer of waveguide on surface [27]. In the latest decade various concepts have been reconsidered and reported, such as solitons [28], evolution of speckle pattern [29], spatially accelerating wave packets following nongeodesic trajectories [30,31], topological phases in curved space photonic lattices [32], phase and group velocity of wave packets [33], Wolf effect of light spectrum [34,35], etc. Specially, in a pioneering work [26], Schrödinger equation for linear propagation on curved space with constant Gaussian curvature is derived, which is in essence the wave equation under paraxial approximation, and one of whose solutions is the fundamental notion in optics, Gaussian beam.…”

Section: Introductionmentioning

confidence: 99%

Gouy and spatial-curvature-induced phase shifts of light in two-dimensional curved space

Wang

2019

New J. Phys.

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Gouy phase is the axial phase anomaly of converging light waves discovered over one century ago, and is so far widely studied in various systems. In this work, we have theoretically calculated Gouy phase of light beams in both paraxial and nonparaxial regime on two-dimensional curved surface by generalizing angular spectrum method. We find that curvature of surface will also introduce an extra phase shift, which is named as spatial curvature-induced (SCI) phase. The behaviors of both phase shifts are illustrated on two typical surfaces of revolution, circular truncated cone and spherical surface. Gouy phase evolves slower on surface with greater spatial curvature on circular truncated cone, which is however opposite on spherical surface, while SCI phase evolves faster with curvature on both surfaces. On circular truncated cone, both phase shifts approach to a limit value along propagation, which does not happen on spherical surface due to the existence of singularity on the pole. An interpretation is presented to explain this peculiar phenomenon. Finally we also provide the analytical expression of paraxial Gaussian beam on general SORs. By comparing the result with the exact method we find the analytical expression is valid under the approximation that beam waist and scale of surface are beyond order of wavelength. We expect this work will enhance the comprehension about the behavior of electromagnetic wave in curved space, and further contribute to the study of general relativity phenomena in laboratory.

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Hanbury Brown and Twiss measurements in curved space

Cited by 41 publications

References 29 publications

Twist-induced guidance in coreless photonic crystal fiber: A helical channel for light

Twist-induced guidance in coreless photonic crystal fiber: A helical channel for light

Precise Photon Correlation Measurement of a Chaotic Laser

Gouy and spatial-curvature-induced phase shifts of light in two-dimensional curved space

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