A5019081756- Spectroscopy Techniques in Biomedical and Chemical Research
- Random lasers and scattering media
- Quantum Information and Cryptography
- Optical Polarization and Ellipsometry
- Spectroscopy and Chemometric Analyses
- Advanced Optical Sensing Technologies
- Orbital Angular Momentum in Optics
- Optical Systems and Laser Technology
- Optical Coherence Tomography Applications
- bioluminescence and chemiluminescence research
- thermodynamics and calorimetric analyses
- Photoreceptor and optogenetics research
- Photonic and Optical Devices
- Quantum optics and atomic interactions
- Neural Networks and Reservoir Computing
- Surface Roughness and Optical Measurements
Fraunhofer Institute for Applied Optics and Precision Engineering
2021-2023
Max Planck Institute of Quantum Optics
2023
Universitat Politècnica de Catalunya
2019
Universitat Autònoma de Barcelona
2017-2018
We highlight the interest of using indices polarimetric purity (IPPs) to inspection biological tissues. The IPPs were recently proposed in literature and they result a further synthetization depolarizing properties samples. Compared with standard images samples, IPP-based lead larger image contrast some structures physical interpretation mechanisms inherent In addition, unlike other methods, their calculation do not require advanced algebraic operations (as is case polar decompositions), 3...
We present a polarization-entangled photon pair source operating in the visible light range around 532 nm. Employing collinear crossed-crystal scheme with type-I degenerate phase matching barium borate (BBO), our achieves brightness of 9.5 k pairs/s/mW and quantum state fidelity 98.3%, making it candidate for integration microscopes make use advantages mid-visible optimized single-photon detection technologies. In order to study potential applications, we trade-off between polarization...
Quantum resources can provide supersensitive performance in optical imaging. Detecting entangled photon pairs from spontaneous parametric down conversion (SPDC) with single-photon avalanche diode (SPAD) image sensor arrays (ISAs) enables practical wide-field quantum-enhanced However, matching the SPDC wavelength to peak detection efficiency range of complementary metal-oxide-semiconductor (CMOS) compatible mass-producible SPAD-ISAs has remained technologically elusive, resulting low imaging...
We highlight the interest of using Indices Polarimetric Purity (IPPs) for biological tissue inspection. These are three polarimetric metrics focused on study depolarizing behaviour sample. The IPPs have been recently proposed in literature and provide different synthetized information than commonly used indices, as depolarization index (P<sub>Δ</sub>) or power (Δ). Compared with standard images samples, enhance contrast between tissues sample show differences similar which not...
We report a scheme for simultaneous quantum imaging and spectroscopy with undetected photons low-cost IR sensing. Using curved mirrors SPDC spatial filtering, we improve fiber-coupled visibility minimize optical aberrations system dimensions.
Recently, a set of polarimetric indicators, the Indices Polarimetric Purity (IPPs), were described in literature. These indicators allow synthesize depolarization content samples, and provide further analysis depolarizers than other existing indicators. We demonstrate potential IPPs as criterion to characterize classify depolarizing samples. <sup></sup>In particular, method is firstly analyzed through series basic polarization experiments, we prove how differences capability concealed from...
Quantum technology promises improvements in imaging, computing, and communication, for example using the resource of entanglement between photons with spatial correlations. Detecting correlations, or coincidences, entangled scalably, efficiently, affordably is therefore an essential capability. However, this task non-trivial existing camera technologies, which require low illumination intensities detection duty cycles to count coincidences at high signal-to-noise ratios, resulting long...
We present a polarization entangled photon pair source in the visible light range (532 nm) bright enough for exploitation quantum communication and sensing. Its suitability low cost jitter detection is studied.