412 citations · 1.2k across the 13 of their papers we have counts for
13 papers
High-speed Source-Device-Independent Quantum Random Number Generator on a Chip
Tommaso Bertapelle, Marco Avesani, Alberto Santamato +11
A wide range of applications require, by hypothesis, to have access to a high-speed, private, and genuine random source. Quantum Random Number Generators (QRNGs) are currently the…
Ultra-clean high-mobility graphene on technologically relevant substrates
Ayush Tyagi, Vaidotas Mišeikis, Leonardo Martini +10
Graphene grown via chemical vapour deposition (CVD) on copper foil has emerged as a high-quality, scalable material, that can be easily integrated on technologically relevant platf…
Wafer-scale integration of graphene-based photonic devices
Marco A. Giambra, Vaidotas Mišeikis, Sergio Pezzini +7
Graphene and related materials can lead to disruptive advances in next generation photonics and optoelectronics. The challenge is to devise growth, transfer and fabrication protoco…
Ultrafast, Zero-Bias, Graphene Photodetectors with Polymeric Gate Dielectric on Passive Photonic Waveguides
Vaidotas Mišeikis, Simone Marconi, Marco A. Giambra +15
We report compact, scalable, high-performance, waveguide integrated graphene-based photodetectors (GPDs) for telecom and datacom applications, not affected by dark current. To expl…
High-responsivity graphene photodetectors integrated on silicon microring resonators
Simone Schuler, Jakob E. Muench, Alfonso Ruocco +9
Graphene integrated photonics provides several advantages over conventional Si photonics. Single layer graphene (SLG) enables fast, broadband, and energy-efficient electro-optic mo…
A liquid nitrogen cooled superconducting transition edge sensor with ultra-high responsivity and GHz operation speeds
Paul Seifert, Jose Ramon Duran Retamal, Rafael Luque Merino +9
Photodetectors based on nano-structured superconducting thin films are currently some of the most sensitive quantum sensors and are key enabling technologies in such broad areas as…
Graphene on Silicon Modulators
V. Sorianello, G. Contestabile, M. Romagnoli
Graphene is a 2D material with appealing electronic and optoelectronic properties. It is a zero-bandgap material with valence and conduction bands meeting in a single point (Dirac…
High-speed double layer graphene electro-absorption modulator on SOI waveguide
Marco A. Giambra, Vito Sorianello, Vaidotas Miseikis +6
We report on a C-band double layer graphene electro-absorption modulator on a passive SOI platform showing 29GHz 3dB-bandwith and NRZ eye-diagrams extinction ratios ranging from 1.…
Full daylight quantum-key-distribution at 1550 nm enabled by integrated silicon photonics
M. Avesani, L. Calderaro, M. Schiavon +16
The future envisaged global-scale quantum communication network will comprise various nodes interconnected via optical fibers or free-space channels, depending on the link distance…
Graphene-Based Integrated Photonics For Next-Generation Datacom And Telecom
M. Romagnoli, V. Sorianello, M. Midrio +7
Graphene is an ideal material for optoelectronic applications. Its photonic properties give several advantages and complementarities over Si photonics. For example, graphene enable…
Waveguide-integrated, plasmonic enhanced graphene photodetectors
J. E. Muench, A. Ruocco, M. A. Giambra +13
We present a micrometer scale, on-chip integrated, plasmonic enhanced graphene photodetector (GPD) for telecom wavelengths operating at zero dark current. The GPD is designed and o…
Deterministic patterned growth of high-mobility large-crystal graphene: a path towards wafer scale integration
Vaidotas Miseikis, Federica Bianco, Vittorio Pellegrini +2
We demonstrate rapid deterministic (seeded) growth of large single-crystals of graphene by chemical vapour deposition (CVD) utilising pre-patterned copper substrates with chromium…
Graphene Based Optical Phase Modulation
Michele Midrio, Paola Galli, Marco Romagnoli +2
In this paper we report phase modulation obtained by inducing a capacitive charge on graphene layers embedded in the core of a waveguide. There is a biasing regime in which graphen…