Browsing by Author "Mitev, Valentin"
Now showing items 1-20 of 23
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CMOS-SPAD arrays for Quantum Imaging Applications
Gasparini, Leonardo; Zarghami, Majid; Perenzoni, Matteo; Parmesan, Luca; Garcia, Michel; Mitev, Valentin; Balet, Laurent; Torcheboeuf, Nicolas; Boiko, Dmitri L.; Unternährer, Manuel; Bessire, Bänz; Stefanov, André (2019-10-21) -
Compact micropulse backscatter Lidar: Airborne and ground-based applications
Mitev, Valentin; Matthey, Renaud; Makarov, Vladislav (2017-01-05)This is an overview of the development and the applications of compact elastic backscatter depolarisation lidars. Two of such sensors are installed on-board the high-altitude research aircraft Myasishchev M-55 Geophysica. ... -
Consistency between backscatter lidar products and visibility range
Mitev, Valentin; Matthey, Renaud (2011-06-18)We present a consistency of the following values: the aerosol backscatter coefficient (ABC) and top of Atmospheric Boundary Layer (ABL), derived from backscatter lidar measurements from one side, and the visually determined ... -
Demonstration of mid-IR gas sensing with frequency-swept Fabry-Perot cavity quantum cascade laser
Chin, Sanghoon; Mitev, Valentin; Giraud, Eliane; Maulini, Richard; Hempel, Frank; Lang, Norbert; Wiese, Mathias; Zimmermann, Henrik; Boiko, Dmitri L. (2022-09-16)We demonstrate an innovative approach for a mid-IR gas sensing spectroscopy with a cost-effective commercial Fabry-Perot cavity quantum cascade laser. Using transient blue-chirped emission of such a laser, the spectral ... -
Discrimination of entangled photon pair from classical photons by de Broglie wavelength
Mitev, Valentin; Balet, Laurent; Torcheboeuf, Nicolas; Renevey, Philippe; Boiko, Dmitri L. (2020) -
Elastic backscatter lidar in PBL study
Mitev, Valentin (2019-01-29)This article summarizes representative examples of elastic backscatter lidar observations in Planetary Boundary Layer (PBL) and in troposphere. The measurement objectives are the diurnal variation of the PBL stratification ... -
Electrically driven frequency blue-chirped emission in Fabry–Perot cavity quantum cascade laser at room temperature
Chin, Sanghoon; Mitev, Valentin; Giraud, Eliane; Maulini, Richard; Blaser, Stéphane; Boiko, Dmitri L. (2021-01) -
First Demonstration of Two-Photon Excitation Fluorescence Lifetime Measurements with Ultra-Short Pulse-on-Demand Light Emitter Utilizing Multiple Wide Quantum Wells
Mitev, Valentin; Torcheboeuf, Nicolas; Krakowski, Michel; Resneau, Patrick; Larrue, Alexandre; Legoec, Pierre; Robert, Yannick; Vinet, Eric; Garcia, Michel; Parillaud, Olivier; Gerard, Bruno; Boiko, Dmitri L. (2022-09-16)We demonstrate two-photon excitation fluorescence lifetime measurements with an ultra-short pulse emitter based on cooperative emission in multiple wide-quantum-well (WQW) heterostructures. Its optical cavity reassembles ... -
Frequency blue chirp in Fabry-Perot cavity QCL
Chin, Sanghoon; Mitev, Valentin; Boiko, Dmitri L. (2020) -
Frequency of Boundary-Layer-Top Fluctuations in Convective and Stable Conditions Using Laser Remote Sensing
Martucci, Giovanni; Matthey, Renaud; Mitev, Valentin; Richner, Hans (2010-05-01)The planetary boundary-layer (PBL) height is determined with high temporal and altitude resolution from lidar backscatter profiles. Then, the frequencies of daytime thermal updrafts and downdrafts and of nighttime gravity ... -
Imaging with entangled photons
Gasparini, Leonardo; Perenzoni, Matteo; Xu, Hesong; Parmesan, Luca; Moreno Garcia, Manuel; Stoppa, David; Bessire, Bänz; Unternährer, Manuel; Stefanov, André; Mitev, Valentin; Boiko, Dmitri L. (2018-02-28) -
Mid-IR DIAL for high-resolution mapping of explosive precursors
Mitev, Valentin; Babichenko, S.; Bennès, Jonathan; Borelli, Rodolfo; Dolfi-Bouteyre, A.; Fiorani, Luca; Hespel, Laurent; Huet, Thierry; Palucci, Antonio; Pistilli, Marco; Puiu, Adriana; Rebane, Ott; Sobolev, Innokenti (2013-10-22)A DIAL instrument on a moving platform is seen as a valuable remote sensing component in a sensor network for area monitoring, targeting sites involved in unauthorised explosive manufacturing. Such instrument will perform ... -
Novel ultra short light pulse emitters utilizing multiple wide quantum wells
Torcheboeuf, Nicolas; Mitev, Valentin; Balet, Laurent; Renevey, Philippe; Krakowski, Michel; Resneau, Patrick; Larrue, Alexandre; Legoec, Jean-Pierre; Robert, Yannick; Vinet, Eric; Garcia, Michel; Parillaud, Olivier; Gérard, Bruno; Boiko, Dmitri (2020-12-04) -
Novel ultra-short light pulse emitters utilizing multiple wide quantum wells
Mitev, Valentin; Torcheboeuf, Nicolas; Balet, Laurent; Renevey, Philippe; Krakowski, Michel; Resneau, Patrick; Larrue, Alexandre; Legoec, Jean-Pierre; Robert, Yannick; Vinet, Eric; Garcia, Michel; Parillaud, Olivier; Gérard, Bruno; Boiko, Dmitri L. (2020-02-24) -
SiPM in g(2) measurements
Gasparini, Leonardo; Stoppa, David; Piemonte, Claudio; Acerbi, Fabio; Stefanov, Andre; Balet, Laurent; Herr, Tobias; Mitev, Valentin; Boiko, Dmitri L. (2017-04-05)We demonstrate g(2)function measurement using novelty all solid-state SiPM detectors. The function g(2)is obtain with measurement time of only 500?s at pW light power levels. -
Tunable Extended-cavity Diode Laser Based on a Novel Flexure-mechanism
Breguet, Jean-Marc; Henein, Simon; Kjelberg, Ivar; Gumy, Mathias; Glettig, Wayne; Lecomte, Steve; Boiko, Dmitri L.; Mitev, Valentin (2013-07-03)This article presents the design, implementation and characterization of a Littman-Metcalf extended-cavity diode laser. The extended cavity is closed by a roof (retro-reflecting) prism. The wavelength tuning is based on a ... -
Tunable Extended-cavity Diode Laserbased on a novel flexure-mechanism
Breguet, Jean-Marc; Henein, Simon; Kjelberg, Ivar; Gumy, Mathias; Glettig, Wayne; Lecomte, Steve; Boiko, Dmitri L.; Mitev, Valentin (2012-10-29) -
Ultra-short pulse non-classical light emitters utilizing multiple wide quantum wells
Torcheboeuf, Nicolas; Mitev, Valentin; Balet, Laurent; Renevey, Philippe; Krakowski, Michel; Resneau, Patrick; Larrue, Alexandre; Legoec, Jean-Pierre; Robert, Yannick; Vinet, Eric; Garcia, Michel; Parillaud, Olivier; Gerard, Bruno; Boiko, Dmitri L. (2022-05-07)We report a novel ultra-short pulse emitter utilizing transient charge carrier behavior and cooperative emission in multiple wide-quantum-well heterostructures. Its optical cavity reassembles a tandem-cavity laser diode ... -
Ultra-short pulse non-classical light emitters utilizing multiple wide quantum wells
Torcheboeuf, Nicolas; Mitev, Valentin; Balet, Laurent; Renevey, Philippe; Krakowski, Michel; Resneau, Patrick; Larrue, Alexandre; Legoec, Jean-Pierre; Robert, Yannick; Vinet, Eric; Garcia, Michel; Parillaud, Olivier; Gerard, Bruno; Boiko, Dmitri L. (2021-06-23) -
Utilization of a frequency-swept Fabry-Perot cavity quantum cascade laser for an innovative mid-IR spectrometer
Chin, Sanghoon; Mitev, Valentin; Giraud, Eliane; Maulini, Richard; Hempel, Frank; Lang, Norbert; Wiese, Mathias; Zimmermann, Henrik; Boiko, Dmitri L. (2022-05-07)We present an innovative approach for a mid-IR spectrometer comprising a commercial Fabry-Perot cavity quantum cascade laser. Utilization of the transient blue-chirped emission of such a laser the spectral fingerprint of ...