83 citations · 572 across the 27 of their papers we have counts for
29 papers
Arduino based interferometer stabilizer equipped with a digital lock-in amplifier
Giuseppe Emanuele Lio, Saravanan Rajamani, Alessandro Pitanti +2
Interferometric sensors are ubiquitous in precision metrology, yet their performance is fundamentally limited by environmental noise and thermal drift. To achieve maximum sensitivi…
Coherent absorption reveals colors hidden in a grey Fabry-Pérot cavity
Giuseppe E. Lio, Giulio Carotta, Lorenzo Lavista +8
Thin dielectric films are known to show distinct colors, responsible for the iridescence of various natural and artificial objects such as insect wings and soap bubbles. In the pre…
Bridging mid and near infrared by combining optomechanics and self mixing
Tecla Gabbrielli, Chenghong Zhang, Francesco Cappelli +8
This work describes a self-mixing-assisted optomechanical platform for transferring information between near- and mid-infrared radiation. In particular, the self-mixing signal of a…
Gigahertz modulation of a fully dielectric nonlocal metasurface
Alessandro Pitanti, Gaia Da Prato, Giorgio Biasiol +2
Nonlocal metasurfaces are currently emerging as advanced tools for the manipulation of electromagnetic radiation, going beyond the widely explored Huygens metasurface concept. None…
Strain-engineered wrinkles on graphene using polymeric actuators
Davide Giambastiani, Cosimo Tommasi, Federica Bianco +5
The electronic and optical properties of graphene can be precisely tuned by generating deterministic arrangements of strain features. In this paper, we report the formation of wide…
Mechanical mode engineering with orthotropic metamaterial membranes
G. Conte, L. Vicarelli, S. Zanotto +1
Metamaterials are structures engineered at a small scale with respect to the wavelength of the excitations they interact with. These structures behave as artificial materials whose…
Room-temperature silicon platform for GHz-frequency nano-electro-opto-mechanical systems
D. Navarro-Urrios, M. F. Colombano, G. Arregui +7
Nano-electro-opto-mechanical systems enable the synergistic coexistence of electrical, mechanical, and optical signals on a chip to realize new functions. Most of the technology pl…
Unexpected Electron Transport Suppression in a Heterostructures Graphene MoS2 Multiple Field-Effect Transistor Architecture
Gaia Ciampalini, Filippo Fabbri, Guido Menichetti +8
We demonstrate a graphene-MoS2 architecture integrating multiple field-effect transistors and we independently probe and correlate the conducting properties of van der Waals couple…
Micromechanical bolometers for sub-Terahertz detection at room temperature
Leonardo Vicarelli, Alessandro Tredicucci, Alessandro Pitanti
Fast, room temperature imaging at THz and sub-THz frequencies is an interesting feature which could unleash the full potential of plenty applications in security, healthcare and in…
Electron localization in periodically strained graphene
Davide Giambastiani, Francesco Colangelo, Alessandro Tredicucci +2
Pseudo-magnetic field (PMF) in deformed graphene has been proposed as a promising and flexible method to quantum-confine electronic states and create gaps in the local density of s…
Injection locking in an optomechanical coherent phonon source
Guillermo Arregui, Martin Facundo Colombano, Jérémie Maire +6
Spontaneous locking of the phase of a coherent phonon source to an external reference is demonstrated in an optomechanical oscillator based on a self-triggered free-carrier/tempera…
Stress-strain in electron-beam activated polymeric micro-actuators
Davide Giambastiani, Fabio Dispinzeri, Francesco Colangelo +5
Actuation of thin polymeric films via electron irradiation is a promising avenue to realize devices based on strain engineered two dimensional (2D) materials. Complex strain profil…
High frequency mechanical excitation of a silicon nanostring with piezoelectric aluminum nitride layers
A. Pitanti, T. Makkonen, M. F. Colombano +8
A strong trend for quantum based technologies and applications follows the avenue of combining different platforms to exploit their complementary technological and functional advan…
Efficient microwave frequency conversion mediated by the vibrational motion of a silicon nitride nanobeam oscillator
J. M. Fink, M. Kalaee, R. Norte +2
Microelectromechanical systems and integrated photonics provide the basis for many reliable and compact circuit elements in modern communication systems. Electro-opto-mechanical de…
Ferromagnetic resonance assisted optomechanical magnetometer
M. F. Colombano, G. Arregui, F. Bonell +7
The resonant enhancement of mechanical and optical interaction in optomechanical cavities enables their use as extremely sensitive displacement and force detectors. In this work we…
Photonic bands, superchirality, and inverse design of a chiral minimal metasurface
Simone Zanotto, Giacomo Mazzamuto, Francesco Riboli +4
Photonic band structures are a typical fingerprint of periodic optical structures, and are usually observed in spectroscopic quantities such as transmission, reflection and absorpt…
Optomechanical response with nanometer resolution in the self-mixing signal of a terahertz quantum cascade laser
Andrea Ottomaniello, James Keeley, Pierluigi Rubino +7
The effectiveness of self-mixing interferometry has been demonstrated across the electromagnetic spectrum, from visible to microwave frequencies, in a plethora of sensing applicati…
Local tuning of WS2 photoluminescence using polymeric micro-actuators in a monolithic van der Waals heterostructure
Francesco Colangelo, Andrea Morandi, Stiven Forti +8
The control of the local strain profile in 2D materials offers an invaluable tool for tailoring the electronic and photonic properties of solid-state devices. In this paper, we dem…
Synchronization of optomechanical cavities by mechanical interaction
M. F. Colombano, G. Arregui, N. E. Capuj +7
The synchronization of coupled oscillators is a phenomenon found throughout nature. Mechanical oscillators are paradigmatic among such systems, but realising them at the nanoscale…
Optomechanics of chiral dielectric metasurfaces
Simone Zanotto, Alessandro Tredicucci, Daniel Navarro-Urrios +5
Electromagnetic fields coupled with mechanical degrees of freedom have recently shown exceptional and innovative applications, ultimately leading to mesoscopic optomechanical devic…
Stretching graphene using polymeric micro-muscles
Francesco Colangelo, Alessandro Pitanti, Vaidotas Mišeikis +6
The control of strain in two-dimensional materials opens exciting perspectives for the engineering of their electronic properties. While this expectation has been validated by arti…
Anisotropic straining of graphene using micropatterned SiN membranes
Fabiana Francesca Settembrini, Francesco Colangelo, Alessandro Pitanti +7
We use micro-Raman spectroscopy to study strain profiles in graphene monolayers suspended over SiN membranes micropatterned with holes of non-circular geometry. We show that a unif…
Distributed feedback terahertz frequency quantum cascade lasers with dual periodicity gratings
F. Castellano, S. Zanotto, L. H. Li +5
We have developed terahertz frequency quantum cascade lasers that exploit a double-periodicity distributed feedback grating to control the emission frequency and the output beam di…
Thermal noise and optomechanical features in the emission of a membrane-coupled compound cavity laser diode
Lorenzo Baldacci, Alessandro Pitanti, Luca Masini +4
We demonstrate the use of a compound optical cavity as linear displacement detector, by measuring the thermal motion of a silicon nitride suspended membrane acting as the external…