169 citations · 634 across the 13 of their papers we have counts for
13 papers
Optically Pumped Magnetometer with High Spatial Resolution Magnetic Guide for the Detection of Magnetic Droplets in a Microfluidic Channel
Marc Jofre, Jordi Romeu, Luis Jofre-Roca
Quantum sensors provide unprecedented magnetic field detection sensitivities, enabling these to extend the common magnetometry range of applications and environments of operation.…
Superheterodyne Microwave System for the Detection of Bioparticles with Coplanar Electrodes on a Microfluidic Platform
Cesar Palacios, Marc Jofre, Lluis Jofre +2
The combination of microwave and microfluidic technologies has the potential to enable wireless monitoring and interaction with bioparticles, facilitating in this way the explorati…
CMOS based image cytometry for detection of phytoplankton in ballast water
J. M. Pérez, M. Jofre, P. Martínez +5
We introduce an image cytometer (I-CYT) for the analysis of phytoplankton in fresh and marine water environments. A linear quantification of cell numbers was observed covering seve…
An image cytometer based on angular spatial frequency processing and its validation for rapid detection and quantification of waterborne microorganisms
Juan Miguel Pérez, Marc Jofre, Pedro Martínez +1
We introduce a new image cytometer design for detection of very small particulate and demonstrate its capability in water analysis. The device is a compact microscope composed of o…
Ultra-fast quantum randomness generation by accelerated phase diffusion in a pulsed laser diode
C. Abellan, W. Amaya, M. Jofre +5
We demonstrate a high bit-rate quantum random number generator by interferometric detection of phase diffusion in a gain-switched DFB laser diode. Gain switching at few-GHz frequen…
Phase-stable source of polarization-entangled photons in a linear double-pass configuration
Fabian Steinlechner, Sven Ramelow, Marc Jofre +5
We demonstrate a compact, robust, and highly efficient source of polarization-entangled photons, based on linear bi-directional down-conversion in a novel 'folded sandwich' configu…
Fast beam steering with full polarization control using a galvanometric optical scanner and polarization controller
M. Jofre, G. Anzolin, F. Steinlechner +4
Optical beam steering is a key element in many industrial and scientific applications like in material processing, information technologies, medical imaging and laser display. Even…
A high-brightness source of polarization-entangled photons optimized for applications in free space
Fabian Steinlechner, Pavel Trojek, Marc Jofre +9
We present a simple but highly efficient source of polarization-entangled photons based on spontaneous parametric down-conversion (SPDC) in bulk periodically poled potassium titany…
True random numbers from amplified quantum vacuum
M. Jofre, M. Curty, F. Steinlechner +4
Random numbers are essential for applications ranging from secure communications to numerical simulation and quantitative finance. Algorithms can rapidly produce pseudo-random outc…
A passive transmitter for quantum key distribution with coherent light
Marcos Curty, Marc Jofre, Valerio Pruneri +1
Signal state preparation in quantum key distribution schemes can be realized using either an active or a passive source. Passive sources might be valuable in some scenarios; for in…
Fast optical source for quantum key distribution based on semiconductor optical amplifiers
M. Jofre, A. Gardelein, G. Anzolin +16
A novel integrated optical source capable of emitting faint pulses with different polarization states and with different intensity levels at 100 MHz has been developed. The source…
100 MHz Amplitude and Polarization Modulated Optical Source for Free-Space Quantum Key Distribution at 850 nm
M. Jofre, A. Gardelein, G. Anzolin +4
We report on an integrated photonic transmitter of up to 100 MHz repetition rate, which emits pulses centered at 850 nm with arbitrary amplitude and polarization. The source is sui…
Polarization change induced by a galvanometric optical scanner
Gabriele Anzolin, Arnaud Gardelein, Marc Jofre +2
We study the optical properties of a two-axis galvanometric optical scanner constituted by a pair of rotating planar mirrors, focusing our attention on the transformation induced o…