Temporal ghost imaging with classical non-stationary pulsed light

Shirai, Tomohiro; Setälä, Tero; Friberg, Ari T.

doi:10.1364/josab.27.002549

Cited by 81 publications

(50 citation statements)

References 25 publications

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“…However, the light source used is mainly classical temporally incoherent stationary light whose correlation time is zero. 16,17 Since such light does not exist in reality, these conclusions are just theoretical results. In order to actually achieve temporal ghost imaging, in this study, a chaotic laser is employed whose correlation time is quite short.…”

Section: Introductionmentioning

confidence: 97%

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Temporal ghost imaging with a chaotic laser

Chen

et al. 2013

Opt. Eng

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Abstract. We use a chaotic laser, instead of thermal light, as the light source in temporal ghost imaging. This laser is generated by employing an external optical feedback. The imaging magnification is varied by adjusting the group-delay dispersion parameters of the fibers. The temporal ghost imaging result is the convolution between the transmission function of the object and the temporal correlation functions of the chaotic laser. The simulation experiment, which uses a controllable time switch as the object, shows the effectiveness of our scheme. This scheme could find applications in the time-domain tomography of pulses. © The Authors. Published by SPIE under a Creative Commons Attribution 3.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.

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Section: Introductionmentioning

confidence: 97%

“…Shirai et al presented temporal ghost imaging using nonstationary pulsed light. 17 Under this condition, the temporal ghost image is generally distorted by the effect of the incident pulse.…”

Section: Introductionmentioning

confidence: 99%

Temporal ghost imaging with a chaotic laser

Chen

et al. 2013

Opt. Eng

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“…By taking into account space-time duality in optics, the extension of the results of spatial ghost imaging to the time domain has been investigated theoretically, numerically and recently experimentally either with a classical nonstationary light source [9,10], bi-photon states [11], a chaotic laser [12] or a multimode laser source [13]. In all cases, the light emitted by the sources was split into two arms, called "reference" and "test" arms.…”

Section: Introductionmentioning

confidence: 99%

Computational temporal ghost imaging

Devaux¹,

Moreau²,

Denis³

et al. 2016

Optica

107

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Ghost imaging is a fascinating process, where light interacting with an object is recorded without resolution, but the shape of the object is nevertheless retrieved, thanks to quantum or classical correlations of this interacting light with either a computed or detected random signal. Recently, ghost imaging has been extended to a time object, by using several thousands copies of this periodic object. Here, we present a very simple device, inspired by computational ghost imaging, that allows the retrieval of a single non-reproducible, periodic or non-periodic, temporal signal. The reconstruction is performed by a single shot, spatially multiplexed, measurement of the spatial intensity correlations between computer-generated random images and the images, modulated by a temporal signal, recorded and summed on a chip CMOS camera used with no temporal resolution. Our device allows the reconstruction of either a single temporal signal with monochrome images or wavelength-multiplexed signals with color images.

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“…The temporally incoherent light source may be a quasi-continuous wave source with a fluctuation time inversely proportional to the source bandwidth or a pulsed source with large intensity variations both within a single pulse and from pulse to pulse. 23 The correlation is calculated from multiple measurements synchronized with the temporal object. Note that the average intensity value of the source over the measurement time window does not affect the ghost image, however if the magnitude of the source intensity fluctuations varies over the duration of the temporal object (which can be the case especially for a pulsed source), the ghost image is distorted and requires post-processing correction.…”

Section: Magnified Time-domain Ghost Imaging Using Dispersive Foumentioning

confidence: 99%

Magnified time-domain ghost imaging

et al. 2017

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Ghost imaging allows to image an object without directly seeing this object. Originally demonstrated in the spatial domain using classical or entangled-photon sources, it was recently shown that ghost imaging can be transposed into the time domain to detect ultrafast signals with high temporal resolution. Here, using an incoherent supercontinuum light source whose spectral fluctuations are imaged using spectrumto-time transformation in a dispersive fiber, we experimentally demonstrate magnified ghost imaging in the time domain. Our approach is scalable and allows to overcome the resolution limitation of time-domain ghost imaging.

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Temporal ghost imaging with classical non-stationary pulsed light

Cited by 81 publications

References 25 publications

Temporal ghost imaging with a chaotic laser

Temporal ghost imaging with a chaotic laser

Computational temporal ghost imaging

Magnified time-domain ghost imaging

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