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Tamm Plasmon Resonance as Optical Fingerprint of Silver/Bacteria Interaction
Simone Normani, Pietro Bertolotti, Francesco Bisio +8
Incorporation of responsive elements into photonic crystals is an effective strategy for building up active optical components to be used as sensors, actuators and modulators. In t…
Vanadium oxide metal-insulator phase transition in different types of one-dimensional photonic microcavities
Francesco Scotognella
The optical properties of vanadium dioxide () can be tuned via metal-insulator transition. In this work different types of one-dimensional photonic structure-based microcavit…
Tunable cavity modes and light-pulse propagation in diarylethene-based photo-switchable polymeric microcavities
Francesco Scotognella
Light responsive devices employing molecular photo-switches are interesting for displays and dynamic light filtering. In this work, polymeric microcavities embedding a layer of pho…
Microcavities integrated in metal halide perovskite light-emitting field-effect transistors
Francesco Scotognella
Metal halide perovskites are materials that show unique characteristics for photovoltaics and light emission. Amplified spontaneous emission and stimulated emission has been shown…
Near-Infrared plasmon induced hot electron extraction evidence in an indium tin oxide nanoparticle / monolayer molybdenum disulphide heterostructure
Michele Guizzardi, Michele Ghini, Andrea Villa +8
In this work, we observe plasmon induced hot electron extraction in a heterojunction between indium tin oxide nanocrystals and monolayer molybdenum disulphide. We study the sample…
The Impact of Tamm Plasmons on Photonic Crystals Technology
Simone Normani, Francesco Federico Carboni, Guglielmo Lanzani +2
This review describes hybrid photonic-plasmonic structures based on periodic structures that have metallic coatings or inserts which make use of the Tamm plasmon for sensing applic…
Ultrafast structural color change in indium tin oxide/titanium dioxide 1D photonic crystal
Liliana Moscardi, Stefano Varas, Alessandro Chiasera +2
Photonic crystals can integrate plasmonic materials such as indium tin oxide (ITO) in their structure. Exploiting ITO plasmonic properties it is possible to tune the photonic band…
Bismuth vanadate layers alternated with nanoparticle-doped silicon dioxide layers for one-dimensional multilayer photonic crystals
Francesco Scotognella
Bismuth vanadate is one of most studied materials in the field of photocatalysis due to its high photocatalytic activity. The modulation of its optical properties can be engineered…
MaPBI3 and 2D hybrid organic inorganic perovskite based microcavities employing periodic, aperiodic and disordered photonic structures and with the possibility of light-induced tuning
Michele Bellingeri, Francesco Scotognella
Inorganic-organic perovskites semiconductors are becoming increasingly interesting due to their remarkable optical properties, such as a high photoluminescence quantum yield and th…
Ultrafast photochromism and bacteriochromism in one dimensional hybrid plasmonic photonic structures
Francesco Scotognella, Giuseppe M. Paternò, Ilka Kriegel +8
Hybrid plasmonic photonic structures combine the plasmonic response with the photonic band gap, holding promise for utilization as optical switches and sensors. Here, we demonstrat…
Multilayer plasmonic photonic structures embedding photochromic molecules or optical gain molecules
Francesco Scotognella
We design photonic structures embedding different functional molecular systems of photochromic switching and lasing. We study the light absorption of two photochromic molecules and…
Indium tin oxide nanoparticle:TiO:air layers for one-dimensional multilayer photonic structures
Ilka Kriegel, Francesco Scotognella
In this work we study the optical properties, by means of the transfer matrix method, of one-dimensional photonic crystals in which layers of silica nanoparticles are alternated wi…
An energy window study of light transmission-disorder relationship in 1D photonic structures
Michele Bellingeri, Davide Cassi, Francesco Scotognella
While the light transmission of photonic crystals is characterized by the photonic band gap, the one of disordered photonic structures is typified by a multiplicity of transmission…
TaAs Weyl semimetal based one-dimensional photonic structures
Ilka Kriegel, Michele Guizzardi, Francesco Scotognella
Weyl semimetals can be described as the three-dimensional analogue of graphene, showing linear dispersion around nodes (Weyl points) [1]. Tantalum arsenide (TaAs) is among the most…
One-dimensional disordered photonic structures with two or more materials
Alessandro Chiasera, Luigino Criante, Stefano Varas +9
Here we would like to discuss the light transmission modulation by periodic and disordered one dimensional (1D) photonic structures. In particular, we will present some theoretical…
Electro-optic and magneto-optic photonic devices based on multilayers photonic structures
Giuseppe M. Paternò, Liliana Moscardi, Ilka Kriegel +2
In this work we describe different types of photonic structures that allow tunability of the photonic band gap upon the application of external stimuli, as the electric or magnetic…
Light-induced switching in pDTE - FICO 1D photonic structures
Ilka Kriegel, Francesco Scotognella
We propose the design of 1D photonic crystals and microcavities in which fluorine-indium codoped cadmium oxide (FICO) nanocrystal based layers and layers of diarylethene-based poly…
Optical properties of periodic, quasi-periodic, and disordered one-dimensional photonic structures
Michele Bellingeri, Alessandro Chiasera, Ilka Kriegel +1
Photonic crystals are characterized by a spatial modulation of the dielectric constant on the length scale of the wavelength of light giving rise to energy ranges where light canno…
Magneto-optical switching in microcavities based on a TGG defect sandwiched between periodic and disordered one-dimensional photonic structures
Ilka Kriegel, Francesco Scotognella
The employment of magneto-optical materials to fabricate photonic crystals gives the unique opportunity to achieve optical tuning by applying a magnetic field. In this study we hav…
Black Phosphorus based One-dimensional Photonic Crystals and Microcavities
I. Kriegel, S. Toffanin, F. Scotognella
The latest achievements in the fabrication of black phosphorus thin layers, towards the technological breakthrough of a phosphorene atomically thin layer, are paving the way for a…
Periodic transmission peak splitting in one dimensional disordered photonic structures
I. Kriegel, F. Scotognella
In the present paper we present ways to modulate the periodic transmission peaks arising in disordered one dimensional photonic structures with hundreds of layers. Disordered struc…
Electric field induced structural colour tuning of a Silver/Titanium dioxide nanoparticle one-dimensional photonic crystals
E. Aluicio-Sarduy, S. Callegari, D. G. Figueroa del Valle +2
The active tuning of the structural colour in photonic crystals by an electric field represents an effective external stimulus with impact on light transmission manipulation. In th…
Photonic Band Gap in 1D Multilayers Made by Alternating SiO2 or PMMA with MoS2 or WS2 monolayers
Diana Gisell Figueroa del Valle, Eduardo Aluicio-Sarduy, Francesco Scotognella
Atomically thin molybdenum disulphide (MoS2) and tungsten disulphide (WS2) are very interesting two dimensional materials for optics and electronics. In this work we show the possi…
Average Transmission Decrease in One-Dimensional Photonic Structures by Widening the Random Layer Thickness Distribution
Francesco Scotognella
In this work we have studied the optical properties of disordered photonic structures, in which we have controlled the distribution of the random layer thickness. Such structures a…