Design007 Magazine

Design007-Mar2018

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26 DESIGN007 MAGAZINE I MARCH 2018 It was only natural that eventually these prod- ucts would need to communicate with other products, and they soon joined the ranks of connected devices. The entire arena of con- nected devices has become so huge now that it is mind-blowing in scope. Perhaps the key is to get people interested in creating and designing those technologies that are important to them. At this point in my life I can honestly say that if I had the opportunity to design some boards that went into medical detection equipment like my new blood pres - sure cuff, I would be extremely motivated to do that. Maybe what we should be focusing on is not just playing with the new toys, but show- ing the younger generation different ways to think about how they can improve upon these new toys. It's something to consider anyway. And with that, it is time for me to wrap up my arm once again and do another BP check. If one of you designed the electronics for this wonderful gizmo that is monitoring and help- ing me control my blood pressure, I want you to know how grateful I am to you, and I say that in all seriousness. Please keep up your great designing, and let's all work together at getting more people joining us in what we do. DESIGN007 Tim Haag is a consultant based in Portland, Oregon. An international team of researchers led by scientists from the Uni. of Bristol's Quantum Engineering Technol- ogy Labs has demonstrated the first ever large-scale integrated quantum photonic circuit, which can gener- ate, control and analyze high-dimensional entanglement with unprecedented high precision and generality. The quantum chip was realised using a scalable silicon pho- tonics technology. The work, in collaboration with Peking Uni., Technical Uni. of Denmark (DTU), ICFO – The Institute of Photonic Sciences, Max Planck Institute of Quantum Optics (MPQ), Polish Academy of Sciences (PAS) and Uni. of Copenhagen, has been published recently in the jour- nal Science. Significant progress towards large-scale quantum sys- tems has been recently reported in a variety of platforms including photons, superconductors, and ions, among others. In particular, photonics allows a system to natu- rally encode and process multidimensional qubit states within a photon's different degrees of freedom. In this work, a programmable bipartite path-encoded multidi- mensional entangled system with dimension up to 15×15 is demonstrated, where each photon exists over 15 optical paths at the same time and the two pho- tons are entangled with each other there. Professor Mark Thompson, leader of the Bristol team, has emphasized that "the photonic circuits on silicon, the same material used in our electronic circuits, allow the processing of information car- ried by a single particle of light. This sili- con quantum photonics technologies are allowing us to scale up quantum devices and systems in an incredibly rapid speed, and in the near future it will reach an inte- gration of tens of thousands of elements on a single chip that can promise numer- ous quantum applications." Scaling Silicon Quantum Photonics Technology

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