96 citations · 410 across the 23 of their papers we have counts for
23 papers
Trefftz DG Approximation of the T-Matrix for Scattering by Periodic Layered Structures
Armando Maria Monforte, Andrea Moiola, Simone Zanotto
We study the scattering of time-harmonic electromagnetic waves by periodic layered gratings, modelled by the 2D Helmholtz equation. The periodic obstacle may include penetrable and…
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…
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…
High-resolution acoustic field mapping of GHz phononic crystals with atomic force microscopy
Pitanti, Alessandro, Yuan +5
On-chip technology based on acoustic waves is a strong asset in modern telecommunication with the prospects of becoming a cornerstone of next-generation devices. In this context, m…
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…
Optomechanical Modulation Spectroscopy of Bound-States-In-The-Continuum in a dielectric metasurface
S. Zanotto, G. Conte, L. C. Bellieres +5
Elusive features in photonic and electronic devices can be detected by means of advanced, time-domain spectroscopic techniques. In this letter we introduce a novel kind of modulati…
Departure from Babinet principle in metasurfaces supported by subwavelength dielectric slabs
Giorgio Biasiol, Simone Zanotto
Symmetry principles and theorems are of crucial importance in optics. Indeed, from one side they allow to get direct insights into phenomena by eliminating unphysical interpretatio…
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…
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…
Multichannel remote polarization control enabled by nanostructured Liquid Crystalline Networks
Simone Zanotto, Fabrizio Sgrignuoli, Sara Nocentini +3
In this article we demonstrate that a grating fabricated through nanoscale volumetric crosslinking of a liquid crystalline polymer enables remote polarization control over the diff…
Structured Optical Materials Controlled by Light
Sara Nocentini, Daniele Martella, Camilla Parmeggiani +2
Materials of which the optical response is determined by their structure are of much interest both for their fundamental properties and applications. Examples range from simple gra…
Fundamental limits on the losses of phase and amplitude optical actuators
Simone Zanotto, Francesco Morichetti, Andrea Melloni
Amplitude and phase are the basic properties of every wave phenomena; as long as optical waves are concerned, the ability to act on these variables is at the root of a wealth of sw…
Metasurface reconfiguration through lithium ion intercalation in a transition metal oxide
Simone Zanotto, Alessandra Blancato, Annika Buchheit +4
In the latest years the optical engineer's toolbox has welcomed a new concept, the metasurface. In a metasurface, properly tailored material inclusions are able to reshape the elec…
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…
Mid-Infrared intersubband polaritons in dispersive metal-insulator-metal resonators
Jean-Michel Manceau, Simone Zanotto, Tommaso Ongarello +4
We demonstrate room-temperature strong-coupling between a mid-infrared (=9.9 m) intersubband transition and the fundamental cavity mode of a metal-insulator-metal resonator.…
Coherent perfect absorption in photonic structures
Lorenzo Baldacci, Simone Zanotto, Alessandro Tredicucci
The ability to drive a system with an external input is a fundamental aspect of light-matter interaction. The coherent perfect absorption (CPA) phenomenon extends to the general mu…
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…
Photonic bands and defect modes in metallo-dielectric photonic crystal slabs
Simone Zanotto, Giorgio Biasiol, Lucia Sorba +1
Photonic components based on structured metallic elements show great potential for device applications where field enhancement and confinement of the radiation on a subwavelength s…
Perfect energy-feeding into strongly coupled systems and interferometric control of polariton absorption
Simone Zanotto, Francesco P. Mezzapesa, Federica Bianco +6
The ability to feed energy into a system, or - equivalently - to drive that system with an external input is a fundamental aspect of light-matter interaction. The key concept in ma…
Saturation and bistability of defect-mode intersubband polaritons
Simone Zanotto, Federica Bianco, Giorgio Biasiol +2
In this article we report about linear and nonlinear optical properties of intersubband cavity polariton samples, where the resonant photonic mode is a defect state in a metallo-di…
Design of a hybrid silicon-plasmonic co-propagant integrated coherent perfect absorber
Simone Zanotto, Andrea Melloni
By a hybrid integration of plasmonic and dielectric waveguide concepts, it is shown that coherent perfect absorption can be achieved in a co-propagant coupler geometry. The device…
Universal lineshapes at the crossover between weak and strong critical coupling in Fano-resonant coupled oscillators
Simone Zanotto, Alessandro Tredicucci
In this article we discuss a model describing key features concerning the lineshapes and the coherent absorption conditions in Fano-resonant dissipative coupled oscillators. The mo…