Measuring Temporal Photon Bunching in Blackbody Radiation

Tan, Peng Kian; Yeo, GeckHong; Poh, Hou Shun; Chan, A. H.; Kurtsiefer, Christian

doi:10.1088/2041-8205/789/1/l10

Cited by 51 publications

(38 citation statements)

References 38 publications

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“…3 shows the corresponding experimental results together with the fitting curves based on Eqs. (14) and (16), with only the fiber radius a, the lateral fiber distance d, an additional offset and the visibility as free parameters. As can be seen, the measured g (2) -functions are in excellent agreement with the theoretical expectations.…”

Section: Generation Of Pseudothermal Light Using Multimode Fibersmentioning

confidence: 99%

An optical multimode fiber as pseudothermal light source

2017

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We report on a novel pseudothermal light source based on laser light coupled into an optical multimode fiber. The setup is simple, of low cost, exhibits inherently high directional light emission and allows for a flexible arrangement. By measuring the photon statistics and spatial two point intensity correlations in the far field we show that the setup exhibits all characteristics of a gaussian random source.

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Section: Generation Of Pseudothermal Light Using Multimode Fibersmentioning

confidence: 99%

An optical multimode fiber as pseudothermal light source

2017

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“…The pulse length d corresponds to the temporal coherence length of the photon, and recent experiments reported that entangled photons or single photon sources generate photons with the long coherence length of 10 −4 ∼ 10 2 m 43-48 . Although the coherence length of sunlight is approximately several hundreds of nanometers 49 , photons with that of the order of cm are obtained by the spectral filtering technique 50 . The frequency of the pulse ω 0 is set to the localized surface plasmon resonance.…”

Section: Input Two-photon With Correlationmentioning

confidence: 99%

Two-photon upconversion affected by intermolecule correlations near metallic nanostructures

2016

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We investigate an efficient two-photon up-conversion process in more than one molecule coupled to an optical antenna. In the previous work [Y. Osaka et al., PRL 112, 133601 (2014)], we considered the two-photon up-conversion process in a single molecule within one-dimensional inputoutput theory, and revealed that controlling the antenna-molecule coupling enables the efficient up-conversion with radiative loss in the antenna suppressed. In this work, aiming to propose a way to enhance the total probability of antenna-photon scattering, we extend the model to the case of multiple molecules. In general, the presence of more than one molecule decreases the up-conversion probability because they equally share the energy of the two photons. However, it is shown that we can overcome the difficulty by controlling the inter-molecule coupling. Our result implies that, without increasing the incident photon number (light power), we can enlarge the net probability of the two-photon up-conversion.

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“…The best commercially available thin-film interference band-pass filters typically have transmission bandwidths of a few nanometres, where the transmission bandwidth is defined as the full-width-at-half-maximum (FWHM). In some research fields, in particular quantum optics where it is necessary to distinguish single photons from high background counts at similar wavelengths [1][2][3][4], narrow-band optical filters are required: these filters can have sub-nm transmission bandwidths, while still retaining high on-peak transmission and off-peak extinction. Uses include the demonstration of quantum teleportation [5], quantum memory [6,7] and quantum information processing [8], as well as in other fields of atomic physics such as atom trapping [9].…”

Section: Introductionmentioning

confidence: 99%

Atomic line versus lens cavity filters: a comparison of their merits

Higgins¹,

Pizzey²,

Mathew³

et al. 2020

OSA Continuum

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We present a comparison between lens cavity filters and atomic line filters, discussing their relative merits for applications in quantum optics. We describe the design, characterization and stabilization procedure of a lens cavity filter, which consists of a high-reflection coated commercially available plano-convex lens, and compare it to an ultra-narrow atomic band-pass filter utilizing the D 2 absorption line in atomic rubidium vapor. We find that the cavity filter peak transmission frequency and bandwidth can be chosen arbitrarily but the transmission frequency is subject to thermal drift and the cavity needs stabilization to better than a few mK, while the atomic filter is intrinsically stable and tied to an atomic resonance frequency such that it can be used in a non-laboratory environment.

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Measuring Temporal Photon Bunching in Blackbody Radiation

Cited by 51 publications

References 38 publications

An optical multimode fiber as pseudothermal light source

An optical multimode fiber as pseudothermal light source

Two-photon upconversion affected by intermolecule correlations near metallic nanostructures

Atomic line versus lens cavity filters: a comparison of their merits

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