Search Results - "Chrzanowski, Helen M"

Unconditional violation of the shot-noise limit in photonic quantum metrology by Slussarenko, Sergei, Weston, Morgan M., Chrzanowski, Helen M., Shalm, Lynden K., Verma, Varun B., Nam, Sae Woo, Pryde, Geoff J.

“…Interferometric phase measurement is widely used to precisely determine quantities such as length, speed and material properties 1 – 3 . Without quantum…”
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Observing the operational significance of discord consumption by Gu, Mile, Chrzanowski, Helen M., Assad, Syed M., Symul, Thomas, Modi, Kavan, Ralph, Timothy C., Vedral, Vlatko, Lam, Ping Koy

“…Coherent interactions that generate negligible entanglement can still exhibit unique quantum behaviour. This observation has motivated a search beyond…”
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Efficient and pure femtosecond-pulse-length source of polarization-entangled photons by Weston, Morgan M, Chrzanowski, Helen M, Wollmann, Sabine, Boston, Allen, Ho, Joseph, Shalm, Lynden K, Verma, Varun B, Allman, Michael S, Nam, Sae Woo, Patel, Raj B, Slussarenko, Sergei, Pryde, Geoff J

“…We present a source of polarization entangled photon pairs based on spontaneous parametric downconversion engineered for frequency uncorrelated telecom photon…”
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Heralded quantum steering over a high-loss channel by Weston, Morgan M, Slussarenko, Sergei, Chrzanowski, Helen M, Wollmann, Sabine, Shalm, Lynden K, Verma, Varun B, Allman, Michael S, Nam, Sae Woo, Pryde, Geoff J

“…Entanglement is the key resource for many long-range quantum information tasks, including secure communication and fundamental tests of quantum physics. These…”
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Mid-infrared microscopy via position correlations of undetected photons by Kviatkovsky, Inna, Chrzanowski, Helen M, Ramelow, Sven

“…Quantum imaging with undetected photons (QIUP) has recently emerged as a new powerful imaging tool. Exploiting the spatial entanglement of photon pairs, it…”
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Microscopy with undetected photons in the mid-infrared by Kviatkovsky, Inna, Chrzanowski, Helen M, Avery, Ellen G, Bartolomaeus, Hendrik, Ramelow, Sven

“…Owing to its capacity for unique (bio)-chemical specificity, microscopy with mid-infrared (IR) illumination holds tremendous promise for a wide range of…”
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Mid-IR spectroscopy with NIR grating spectrometers by Kaufmann, Paul, Chrzanowski, Helen M, Vanselow, Aron, Ramelow, Sven

“…Mid-infrared (mid-IR) spectroscopy is a crucial workhorse for a plethora of analytical applications and is suitable for diverse materials, including gases,…”
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Quantum-enhanced stimulated emission detection for label-free microscopy by Triginer Garces, Gil, Chrzanowski, Helen M., Daryanoosh, Shakib, Thiel, Valerian, Marchant, Anna L., Patel, Raj B., Humphreys, Peter C., Datta, Animesh, Walmsley, Ian A.

“…Nonlinear optical microscopy techniques have emerged as a set of successful tools for biological imaging. Stimulated emission microscopy belongs to a small…”
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Multiparticle Interference of Pairwise Distinguishable Photons by Jones, Alex E., Menssen, Adrian J., Chrzanowski, Helen M., Wolterink, Tom A. W., Shchesnovich, Valery S., Walmsley, Ian A.

“…One of the central principles of quantum mechanics is that if there are multiple paths that lead to the same event and there is no way to distinguish between…”
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Measurement-based noiseless linear amplification for quantum communication by Chrzanowski, Helen M., Walk, Nathan, Assad, Syed M., Janousek, Jiri, Hosseini, Sara, Ralph, Timothy C., Symul, Thomas, Lam, Ping Koy

“…Entanglement distillation is an indispensable ingredient in extended quantum communication networks. Distillation protocols are necessarily non-deterministic…”
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Quantum light microscopy by Bowen, W. P., Chrzanowski, Helen M., Oron, Dan, Ramelow, Sven, Tabakaev, Dmitry, Terrasson, Alex, Thew, Rob

“…Much of our progress in understanding microscale biology has been powered by advances in microscopy. For instance, super-resolution microscopes allow the…”
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Measurement-based noiseless linear amplification for quantum communication by Chrzanowski, Helen M., Walk, Nathan, Assad, Syed M., Janousek, Jiri, Hosseini, Sara, Ralph, Timothy C., Symul, Thomas, Lam, Ping Koy

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Low random duty-cycle errors in periodically-poled KTP revealed by sum-frequency generation by Mann, Felix, Chrzanowski, Helen M., Ramelow, Sven

“…Single photons from nitrogen-vacancy centers in diamond are a promising building block in the realisation of quantum networks [1] [2] . However quantum…”
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Microscopy with undetected photons in the mid-infrared by Kviatkovsky, Inna, Chrzanowski, Helen M, Avery, Ellen G., Bartolomaeus, Hendrik, Ramelow, Sven

“…We demonstrate that nonlinear interferometry with entangled photons provides a powerful and cost-effective technique for microscopy in the mid-IR, harnessing…”
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Noise analysis of a quasi-phase-matched quantum frequency converter and higher-order counter-propagating SPDC by Mann, Felix, Chrzanowski, Helen M., Gewers, Felipe, Placke, Marlon, Ramelow, Sven

“…Quantum frequency conversion (QFC) will be an indispensable ingredient in future quantum technologies. For example, large-scale fibre-based quantum networks…”
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Frequency-domain optical coherence tomography with undetected mid-infrared photons by Vanselow, Aron, Kaufmann, Paul, Zorin, Ivan, Heise, Bettina, Chrzanowski, Helen M., Ramelow, Sven

“…Mid-infrared (mid-IR) light scatters much less than shorter wavelengths, allowing greatly enhanced penetration depths for optical imaging techniques such as…”
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Efficient Heralding of Pure Single-Photons at Telecom Wavelength from Pulsed Cavity-Enhanced SPDC by Planas, Xavier Barcons, Chrzanowski, Helen M., Messner, Leon, Wolters, Janik

“…Highly efficient sources of pure single photons are essential for photonic quantum technologies. We present a source of pure single-photons with 85% heralding…”
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A monolithic bulk ppKTP cavity for quantum frequency conversion from 637 nm to telecom wavelength by Mann, Felix, Gewers, Felipe, Chrzanowski, Helen M., Ramelow, Sven

“…We demonstrate an efficient low-noise quantum frequency converter based on a thermally self-stabilizing monolithic bulk ppKTP cavity for the conversion of…”
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Mid-Infrared Microscopy via Position Correlations of Undetected Photons by Kviatkovsky, Inna, Chrzanowski, Helen M, Ramelow, Sven

“…Quantum imaging with undetected photons (QIUP) has recently emerged as a new powerful imaging tool. Exploiting the spatial entanglement of photon pairs, it…”
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Low random duty-cycle errors in periodically-poled KTP revealed by sum-frequency generation by Mann, Felix, Chrzanowski, Helen M, Ramelow, Sven

“…Low-noise quantum frequency conversion in periodically-poled nonlinear crystals has proved challenging when the pump wavelength is shorter than the target…”
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