TOM 1 - Silicon Photonics and Guided-Wave Optics
TOM 2 - Computational, Adaptive and Freeform Optics
TOM 3 - Optical System Design, Tolerancing and Manufacturing
TOM 4 - Bio-Medical Optics
TOM 5 - Resonant Nanophotonics
TOM 6 - Optical Materials: crystals, thin films, organic molecules & polymers, syntheses, characterization and applications
TOM 7 - Thermal radiation and energy management
TOM 8 - Non-linear and Quantum Optics
TOM 9 - Opto-electronic Nanotechnologies and Complex Systems
TOM 10 - Frontiers in Optical Metrology
TOM 11 - Tapered optical fibers, from fundamental to applications
TOM 12 - Optofluidics
TOM 13 - Advances and Applications of Optics and Photonics
EU Project Session
Early Stage Researcher Session
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Please note that all times are shown in the time zone of the conference. The current conference time is: 30th Sept 2022, 07:35:34pm WEST
TOM9 S03: Opto-electronic Nanotechnologies and Complex Systems: Novel effects I
4:30pm - 6:00pm
Session Chair: Lucio Claudio Andreani, University of Pavia, Italy
2nd floor, 70 seats
4:30pm - 5:00pm Invited ID: 329 / TOM9 S03: 1 TOM 9 Opto-electronic Nanotechnologies and Complex Systems
Demonstration of Cognitive Bias on a Noisy Intermediate-Scale Quantum Processor
Fabio Antonio Bovino1, Alessandro Comi2
1Sapienza University of Rome, Italy; 2TIM S.p.A.
The decision-making process of the individual is analogous to the collapse of a quantum system at the moment of measurement, whereby quantum system we mean the decision-maker, his mental processes and the environmental context that influences him in his choices. Classical probability depends on the lack of information, quantum probability is instead intrinsic to the system to be studied, meaning that the system, consisting of the decision-maker and the context, is in a superposition of states, each with its own amplitude of probability. Only the measurement process (the decision) selects in the decision maker a specific state among those in which he was overlapping. We demonstrated on a Noisy Intermediate –Scale Quantum Processor the model of the “order effect”, one of the most important cognitive bias.
5:00pm - 5:15pm ID: 236 / TOM9 S03: 2 TOM 9 Opto-electronic Nanotechnologies and Complex Systems
THz frequency combs form dispersion-compensated antenna-coupled ring quantum cascade lasers
Paolo Micheletti1, Urban Senica1, Andres Forrer1, Sara Cibella2, Giudo Torrioli2, Mattias Beck1, Jerome Faist1, Giacomo Scalari1
1Institute of Quantum Electronics, Physics Department, ETH Zurich, Zurich, Switzerland; 2CNR-Istituto di Fotonica e Nanotecnologie, Rome, Italy
We report comb operation of RF injected ring Quantum Cascade Lasers. A coupled waveguide approach is implemented for dispersion compensation while passive bullseye antenna improves the device power extraction and far field. Phase sensitive measurements are presented which hints at the presence of soliton state.
5:15pm - 5:30pm ID: 204 / TOM9 S03: 3 TOM 9 Opto-electronic Nanotechnologies and Complex Systems
Nature engineered metasurfaces: spin-to-orbital angular momentum conversion in diatom frustules
Edoardo De Tommasi, Maria Antonietta Ferrara, Giuseppe Coppola, Gianluigi Zito
Evolution provided, through eras, several animal, vegetal, and protist species with sub-micrometric constituent structures able to manipulate light at the nanoscale in non trivial ways. In particular, diatoms are single-celled microalgae enclosed in a porous silica shell, the frustule, perforated by regular patterns of micro- and nano-pores and whose functionalities comprise mechanical stability, sorting of nutrients from harmful agents and optimization of sunlight harvesting. Photonic properties of frustules include focusing, photoluminescence, and optical activity, among others. In the present work we show preliminary results concerning the ability of single valves of Arachnoidiscus ehrenbergii diatom frustules to manipulate incoming, circularly polarized radiation in such a way to generate light beams provided with orbital angular momentum (optical vortices). The combination of cross-polarization imaging in different spectral ranges, polarization sensitive digital holographic imaging (PSDHI), and interferometry allowed characterizing the valves and detecting the presence of spin-orbit coupling induced by their ultrastructure.