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http://www.nature.com/ncomms/2016/160204/ncomms10469/full/ncomms10469.html

Quantum computers promise a revolutionary leap of computational power with respect to classical ones. This rises a validation problem of the proper functioning of such quantum machines, which cannot be benchmarked by a parallel computation on classical devices. In a recent Nature Communication paper the Femtosecond Laser Micromachining group at IFN-CNR, in collaboration with the Università La Sapienza di Roma, demonstrated that a 3D integrated photonic circuit, implementing the Fast Fourier Transform operation, provides an easily predictable suppression of specific output states. This condition can be exploited as a signature of proper full quantum behavior of the device, even in a regime that is beyond the computational power of a classical computers.


Editorial on Journal of Optics about the International Year of Light and Light-based technologies by IFN Director Roberta Ramponi and IFN Researcher Caterina Vozzi

https://sites.google.com/site/ifncnr2012/photonics4all


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The Istituto di Fotonica e Nanotecnologie (CNR-IFN) carries out innovative research in the fields of photonics and of nanotechnologies considering both the fundamental aspects and those applied involving the development of novel photonic devices and systems, optoelectronic equipment, and electronics devices. CNR-IFN is tightly integrated with the national scientific community and collaborates with the major international Universities and research centres through targeted projects funded by main national and international agencies and foundations.

CNR-IFN belongs to the National Research Council (CNR), a public organization who is in charge to carry out, promote, spread, transfer and improve research activities in the main sectors of knowledge growth and of its applications for the scientific, technological, economic and social development of the Country