Francesca Santi, Autore a Notizie.it

Notizie di Cronaca in tempo reale - Pag. 1Energia, FVG, Scoccimarro "Nuovo piano è chiave per cambiamento reale" - Tiscali NotizieIl 2023 sarà decisivo per misurare la resistenza degli oceani al riscaldamento globale

Simula un sequestro di persona per intascare il riscatto dal cognato: ecco com’è andata a finire - Tiscali NotizieI chip fotonici che insegnano alla luce ad evitare gli ostacoli di Askanews   07-12-2023 - 12:35 Link copiato Loading... To view this Campanellavideo please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Codice da incorporare: #iubenda-cs-banner .iub_ts_bc:not(.iubenda-custom-content) *,#iubenda-cs-banner [class*=" iub"],#iubenda-cs-banner [class^=iub],.iubenda-tp-btn:not([data-tp-nostyle]){ 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.iub_ts_bc:not(.iubenda-custom-content) *,#iubenda-cs-banner [class*=" iub"],#iubenda-cs-banner [class^=iub]{ -webkit-font-feature-settings:normal!important;font-feature-settings:normal!important;-webkit-appearance:none!important;-moz-appearance:none!important;appearance:none!important;background:0 0!important;border:none!important;border-radius:0!important;-webkit-box-shadow:none!important;box-shadow:none!important;-webkit-box-sizing:border-box!important;box-sizing:border-box!important;color:currentColor!important;-webkit-column-gap:normal!important;-moz-column-gap:normal!important;column-gap:normal!important;-webkit-column-rule:medium none #000!important;-moz-column-rule:medium none #000!important;column-rule:medium none 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background-color: #fff; border-radius: 0.5rem; box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12); font-family: sans-serif; content: 'Loading...'; display: flex !important; font-size: 13px; font-weight: bold; line-height: 1; justify-content: center; min-height: 50px; text-transform: uppercase;}#speakup-player:empty{ display: block;} Milano, 7 dic. (askanews) - Chip fotonici in grado di calcolare, e generare, la forma migliore dei fasci di luce per attraversare un ambiente ostile, variabile o non conosciuto. Sono stati realizzati dal Politecnico di Milano, grazie a uno studio condotto insieme con la Scuola Superiore Sant'Anna di Pisa, all'Università di Glasgow e all'Università di Stanford, e pubblicato dalla prestigiosa rivista Nature Photonics. Ma perché calcolare la forma della luce è così fondamentale e rende questi chip tanto innovativi? Francesco Morichetti, responsabile del Photonoic devices Lab del Polimi."Viviamo in un mondo wireless, tutti i dispositivi sono senza fili e vorremmo che scambiassero la maggior quantità di dati, il wireless ottico è in grado di supportare una quantità di dati 100, 1000 volte maggiore del wirelss ordinario, la luce è molto più sensibile a condizioni ambientali quindi se vogliamo avere collegamenti wireless ottici a banda larghissima dobbiamo essere in grado di modificare e adattare al meglio la forma e le caratteristiche della luce". Queste tecnologie permettono di manipolare in modo estremamente efficiente una enorme quantità di dati, fondamentale in moltissime applicazioni: telecomunicazioni, intelligenza artificiale e localizzazione, ad esempio per guida autonoma, droni, sistemi che richiedono grandi capacità di calcolo come i computer quantistici.Ma cosa aspettarsi in futuro dai dispositivi fotonici? Andrea Melloni, direttore di Polifab, centro di micro e nanotecnologie del Politecnico."Continueranno in questa direzione, ma stanno penetrando in tutte le altre applicazioni: oggi troviamo dispositivi fotonici per biomedicale, sensoristica, finanza, agricoltura e molti altri settori: si ha un vantaggio in termini di potenza di calcolo, capacità di trasmettere informazioni ad altissima banda, e la possibiltià di farlo consumando poca energia elettrica, che oggi è fondamentale".La progettazione di questi chip, possibile grazie a finanziamenti di aziende, Ue e Pnrr, è fatta internamente. I chip in tecnologia di silicio standard vengono fabbricati in una fonderia e poi tutta la parte di assemblaggio viene fatta su misura nella camera bianca del Politecnico di Milano. di Askanews   07-12-2023 - 12:35 Link copiato Commenti Leggi la Netiquette

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