Quantum holography with undetected light

Töpfer, Sebastian; Basset, Marta Gilaberte; Fuenzalida, Jorge; Steinlechner, Fabian; Torres, Juan P.; Gräfe, Markus

doi:10.1126/sciadv.abl4301

Cited by 51 publications

(42 citation statements)

References 39 publications

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“…Nonlinear interferometers using signal and idler photons in the visible and near‐infrared, respectively have been demonstrated to date for a variety of applications such as imaging, [ 16,155–157 ] ellipsometry, [ 158 ] and optical coherence tomography. [ 159 ] In the following, the focus will be on nonlinear interferometers with a more extreme wavelength spread between signal and idler photons.…”

Section: Nonlinear Interferometry With Extreme Lightmentioning

confidence: 99%

“…In the future, a simple acceleration could be achieved by methods reconstructing the interference by approaching only a few mirror positions. [ 157 ]…”

Section: Nonlinear Interferometry With Extreme Lightmentioning

confidence: 99%

“…In follow-up publications, the influence of misalignment [153] and pump beam waist [154,155] on the spatial correlation of the photon pairs was analyzed, as these properties are relevant for obtaining sharp and high-contrast images. Nonlinear interferometers using signal and idler photons in the visible and near-infrared, respectively have been demonstrated to date for a variety of applications such as imaging, [16,[155][156][157] ellipsometry, [158] and optical coherence tomography. [159] In the following, the focus will be on nonlinear interferometers with a more extreme wavelength spread between signal and idler photons.…”

Section: Nonlinear Interferometry With Extreme Lightmentioning

confidence: 99%

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Quantum Sensing with Extreme Light

et al. 2022

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Optical nonlinear conversion processes are ubiquitously applied to scientific as well as industrial tasks. In particular, nonlinear processes are employed to generate radiation in many frequency ranges. In plenty of these nonlinear processes, the generation of paired photons occurs -the so-called signal and idler photons. Although this type of generation has undergone a tremendous development over the last decades, either the generated signal or the idler radiation has been used experimentally. In contrast, novel quantum-based measurement principles enable the usage of both partners of the generated photon pairs based on their correlation. These measurement approaches have an enormous potential for future applications, as they allow to transfer information from one spectral range to another. In particular, spectral ranges where photon generation and detection is particularly challenging can benefit from this principle. Above all, these include the extreme frequency ranges, such as on the low-frequency side the mid to far infrared or even the terahertz spectral range, but also on the high-frequency side the ultraviolet or X-ray spectral range. In this review article, theoretical and experimental developments based on correlated biphotons are described specifically for the extreme spectral regions.

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Section: Nonlinear Interferometry With Extreme Lightmentioning

confidence: 99%

“…In the future, a simple acceleration could be achieved by methods reconstructing the interference by approaching only a few mirror positions. [ 157 ]…”

Section: Nonlinear Interferometry With Extreme Lightmentioning

confidence: 99%

Section: Nonlinear Interferometry With Extreme Lightmentioning

confidence: 99%

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Quantum Sensing with Extreme Light

et al. 2022

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“…The properties of the noise, its intensity and variance, are changed during this study. We perform a quantum imaging distillation technique based on quantum phase-shifting digital holography [33]. Our distillation technique uses phase modulation of the undetected photon to vary the interference pattern detected on the camera.…”

Section: Introductionmentioning

confidence: 99%

Experimental quantum imaging distillation with undetected light

Fuenzalida¹,

Basset²,

Töpfer³

et al. 2023

Preprint

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Imaging based on the induced coherence effect makes use of photon pairs to obtain information of an object without detecting the light that probes it. While one photon illuminates the object, only its partner is detected, so no measurement of coincidence events are needed.The sought-after object's information is revealed observing a certain interference pattern on the detected photon. Here we demonstrate experimentally that this imaging technique can be made resilient to noise. We introduce an imaging distillation approach based on the interferometric modulation of the signal of interest. We show that our scheme can generate

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“…Entangled photons can be generated by spontaneous parametric down-conversion (SPDC) [1], where a pump photon impinges onto a second-order nonlinear crystal and is converted into a signal and an idler photon that share quantum correlations simultaneously in, for example, transverse momentum and position. This quantum correlation enabled two unconventional imaging schemes [2], quantum ghost imaging [3,4] and quantum imaging with undetected photons (QIUP) [5][6][7][8][9][10], that produce a so-called "non-local" image by letting only the idler photon interact with the object while the camera measures the non-interacting signal photon. The most notable feature of these non-local imaging schemes is, that they enable the use of two-color photon-pairs, i.e., signal and idler with non-degenerate wavelengths.…”

Section: Introductionmentioning

confidence: 99%

Fundamental resolution limit of quantum imaging with undetected photons

Vega¹,

A.²,

Fuenzalida³

et al. 2022

Preprint

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Quantum imaging with undetected photons relies on the principle of induced coherence without induced emission and uses two sources of photon-pairs with a signal-and an idler photon of wavelengths λS and λI, respectively. Each pair shares strong quantum correlations in both position and momentum, which allows to image an object illuminated with idler photons by just measuring signal photons that never interact with the object. In this work, we theoretically investigate the transverse resolution of this non-local imaging scheme through a general formalism that treats propagating photons beyond the commonly used paraxial approximation. We hereby prove that the resolution of quantum imaging with undetected photons is diffraction limited to the longer wavelength of the signal and idler pairs, with a minimum resolvable resolution of max(λS, λI)/2. Moreover, we conclude that this result is also valid for other non-local two-photon imaging schemes.

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Quantum holography with undetected light

Abstract: Experiments show the performance of quantum holography using undetected photons.

Cited by 51 publications

References 39 publications

Quantum Sensing with Extreme Light

Quantum Sensing with Extreme Light

Experimental quantum imaging distillation with undetected light

Fundamental resolution limit of quantum imaging with undetected photons

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