949 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Centre National de la Recherche ScientifiqueFR485 papers
- Université Paris-SaclayFR482 papers
- Université Paris-SudFR188 papers
- Université Paris CitéFR87 papers
- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR71 papers
- Sorbonne UniversitéFR62 papers
- Université Grenoble AlpesFR47 papers
- Laboratoire Albert FertFR35 papers
- Institut NéelFR34 papers
- CEA GrenobleFR33 papers
- Laboratoire de physique des SolidesFR33 papers
- CEA Paris-SaclayFR31 papers
41 papers · 1 filter
Ultrafast (10 GHz) mid-IR modulator based on ultra-fast electrical switching of the light-matter coupling
Mario Malerba, Stefano Pirotta, Guy Aubin +12
We demonstrate a free-space amplitude modulator for mid-infrared radiation (lambda=9.6 um) that operates at room temperature up to at least 20 GHz (above the -3dB cutoff frequency…
Theory of propagating spin wave spectroscopy using inductive antennas: conditions for unidirectional energy flow
Thibaut Devolder
Many recent papers report on the interest of spin waves for applications. This paper revisits the propagating spin wave spectroscopy when using inductive transceivers connected to…
Determining Young's modulus via the eigenmode spectrum of a nanomechanical string resonator
Yannick S. Klaß, Juliane Doster, Maximilian Bückle +2
We present a method for the in-situ determination of Young's modulus of a nanomechanical string resonator subjected to tensile stress. It relies on measuring a large number of harm…
Direct polariton-to-electron tunneling in quantum cascade detectors operating in the strong light-matter coupling regime
Mathurin Lagrée, Mathieu Jeannin, Grégory Quinchard +5
We demonstrate mid-infrared quantum cascade detectors (QCD) operating in the strong light-matter coupling regime. They operate around with a minimum Rabi splitting of 9.…
A "Janus" double sided mid-IR photodetector based on a MIM architecture
Mario Malerba, Mathieu Jeannin, Stefano Pirotta +6
We present a mid-IR ( 8.3 m) quantum well infrared photodetector (QWIP) fabricated on a mid-IR transparent substrate, allowing photodetection with illumination from ei…
Multiple magneto-ionic regimes in Ta/CoFeB/HfO
R. Pachat, D. Ourdani, J. W. van der Jagt +11
In Ta/CoFeB/HfO2 stacks a gate voltage drives, in a nonvolatile way, the system from an underoxidized state exhibiting in-plane anisotropy (IPA) to an optimum oxidation level resul…
Effects of delayed feedback on the power spectrum of spin-torque nano-oscillators
Jérôme Williame, Joo-Von Kim
A theoretical study of delayed feedback in a spin-torque nano-oscillator model is presented. The feedback acts as a modulation of the supercriticality, which results in changes in…
Synthesis of metallic nanoparticles for heterogeneous catalysis: Application to the Direct Borohydride Fuel Cell
Fabrice Asonkeng, Gael Maranzana, Julien Proust +7
Until now, the fabrication of electrocatalysts to guarantee long life of fuel cells and low consumption of noble metals remains a major challenge. The electrocatalysts based on met…
Analysis of low-threshold optically pumped III-nitride microdisk lasers
Farsane Tabataba-Vakili, Christelle Brimont, Blandine Alloing +11
Low-threshold lasing under pulsed optical pumping is demonstrated at room temperature for III-nitride microdisks with InGaN/GaN quantum wells on Si in the blue spectral range. Thre…
Monolithic integration of ultraviolet microdisk lasers into photonic circuits in a III-nitride-on-silicon platform
Farsane Tabataba-Vakili, Blandine Alloing, Benjamin Damilano +12
Ultraviolet microdisk lasers are integrated monolithically into photonic circuits using a III-nitride on silicon platform with gallium nitride (GaN) as the main waveguiding layer.…
Slow propagation of 2 GHz acoustical waves in a suspended GaAs on insulator phononic waveguide
Giuseppe Modica, Rui Zhu, Robert Horvath +3
Optoelectronic oscillators have dominated the scene of microwave oscillators in the last few years thanks to their great performances regarding frequency stability and phase noise.…
Mesoporous Thin-Films for Acoustic Devices in the Gigahertz Range
N. Lopez-Abdala, M. Esmann, M. C. Fuertes +7
The coherent manipulation of acoustic waves on the nanoscale usually requires multilayers with thicknesses and interface roughness defined down to the atomic monolayer. This result…
Density-controlled growth of vertical InP nanowires on Si(111) substrates
Ali Jaffal, Philippe Regreny, Nicolas Chauvin +1
A procedure to achieve the density-controlled growth of gold-catalyzed InP nanowires (NWs) on (111) silicon substrates using the vapor-liquid-solid method by molecular beam epitaxy…
Ultra-low threshold cw and pulsed lasing in tensile strained GeSn alloys
A. Elbaz, D. Buca, N. Von den Driesch +15
GeSn alloys are the most promising semiconductors for light emitters entirely based on group IV elements. Alloys containing more than 8 at.% Sn have fundamental direct band-gaps, s…
Backward volume vs Damon-Eshbach: a travelling spin wave spectroscopy comparison
U. K. Bhaskar, G. Talmelli, F. Ciubotaru +2
We compare the characteristics of electrically transduced Damon-Eshbach (DESWs) and backward volume (BVSWs) configurations within the same, 30 nm thick, ferromagnetic, CoFeB wavegu…
Demonstration of critical coupling in an active III-nitride microdisk photonic circuit on silicon
Farsane Tabataba-Vakili, Laetitia Doyennette, Christelle Brimont +11
On-chip microlaser sources in the blue constitute an important building block for complex integrated photonic circuits on silicon. We have developed photonic circuits operating in…
Picosecond Spin Orbit Torque Switching
Kaushalya Jhuria, Julius Hohlfeld, Akshay Pattabi +13
Reducing energy dissipation while increasing speed in computation and memory is a long-standing challenge for spintronics research. In the last 20 years, femtosecond lasers have em…
Volume Fabrication of Quantum Cascade Lasers on 200 mm-CMOS pilot line
JG Coutard, M Brun, M Fournier +7
The manufacturing cost of quantum cascade lasers is still a major bottleneck for the adoption of this technology for chemical sensing. The integration of Mid-Infrared sources on Si…
Weak signal enhancement by non-linear resonance control in a forced nano-electromechanical resonator
Avishek Chowdhury, Marcel G. Clerc, Sylvain Barbay +2
Driven non-linear resonators can display sharp resonances or even multistable behaviours amenable to induce strong enhancements of weak signals. Such enhancements can make use of t…
BPZT HBARs for bias-tunable, stress generation at GHz frequencies
U. K. Bhaskar, D. Tierno, G. Talmelli +3
The high frequency performance of strong piezoelectric materials like PZT remains relatively less explored due to the assumption of large dielectric/ferroelectric losses at GHz fre…
Designing large arrays of interacting spin-torque nano-oscillators for microwave information processing
Philippe Talatchian, Miguel Romera, Flavio Abreu Araujo +6
Arrays of spin-torque nano-oscillators are promising for broadband microwave signal detection and processing, as well as for neuromorphic computing. In many of these applications,…
Reconfigurable sub-micron spin-wave majority gate with electrical transducers
Giacomo Talmelli, Thibaut Devolder, Nick Träger +10
Spin waves are excitations in ferromagnetic media that have been proposed as information carriers in hybrid spintronic devices with much lower operation power than conventional cha…
InAs quantum dot in a needlelike tapered InP nanowire: a telecom band single photon source monolithically grown on silicon
Ali Jaffal, Walid Redjem, Philippe Regreny +8
Realizing single photon sources emitting in the telecom band on silicon substrates is essential to reach complementary-metal-oxide-semiconductor (CMOS) compatible devices that secu…
Physical mechanisms involved in the formation and operation of memory devices based on a monolayer of gold nanoparticles-polythiophene hybrid materials
T. Zhang, D. Guérin, F. Alibart +10
Understanding the physical and chemical mechanisms occurring during the forming process and operation of an organic resistive memory device is a major issue for better performances…