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Electronic-photonic integrated quantum simulator platform

Project description

Moving quantum simulation from the realm of particle accelerators to desktop devices

Simulation, or the approximation of a real-life scenario, is critical to a myriad of areas, ranging from aviation and medicine to climate change and the stock market. Simulators create virtual 'experiments' that would be too costly, time-consuming, dangerous or even impossible to carry out in reality. In the world of quantum mechanics, classical physics cannot account for the nature and behaviour of matter and energy on the atomic and subatomic level. Currently, the only way to access quantum behaviours is with high-energy accelerators, often involving extreme temperatures. Creating a lab-accessible, silicon-based photonic-electronic compact quantum simulator that works at room temperature could revolutionise our understanding of the quantum world by fostering rapid and widespread innovation. That is exactly the focus of the research carried out within the scope of the EU-funded EPIQUS project.

Objective

EPIQUS aims to demonstrate a cheap, easy-to-use, performant Quantum Simulator (QS) based on full integration of silicon nitride photonics with silicon electronics. The core objective of EPIQUS is to set a cornerstone technology – demonstrate the first breakthrough device - which will simulate quantum mechanical problems in a compact device operating at ambient temperatures. Our vision is to develop a Quantum Simulator by bringing onto a unique semiconductor platform the mature silicon microelectronic (CMOS, digital) and the silicon nitride quantum micro-photonic functionalities. Within EPIQUS we will develop a 3D-integrated quantum simulator hardware, where (1) a photonic quantum interference circuit, hosting (1a) scalable entangled photon sources (pumped by a NIR pulsed diode laser to produce on-chip photon pairs via nonlinear four wave mixing), (1b) the state preparation stage and (1c) the 16 qubit reconfigurable quantum interference circuit, will be monolithically integrated on the same Si chip with (2) scalable arrays of single photon avalanche detectors (Silicon SPADs) operating at ~ 850nm and at room temperatures. Around this, our consortium will build an integrated system, in which on the “software level” a quantum algorithm will sustain the quantum simulation results from the hardware. In this last, a custom Analog chip will control the QS module by managing the pulsed pump laser, phase shifters (needed to reconfigure the QS) and the SPADs in order to control actively the quantum optical circuit. Finally, the output data will be handled by the digital chip to feed the software algorithm. EPIQUS will envision scalability up to 50 qubits using the proposed breakthrough technology. The EPIQUS consortium will be based on several groups from EU countries and one non-EU partner with diverse expertise, ranging from material, device, photonic and electronic circuit engineering, microfabrication technology, quantum optics and spectroscopy, information technologies.

Call for proposal

H2020-FETOPEN-2018-2020

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Sub call

H2020-FETOPEN-2018-2019-2020-01

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Coordinator

FONDAZIONE BRUNO KESSLER
Net EU contribution
€ 1 132 025,00
Address
Via santa croce 77
38122 Trento
Italy

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Region
Nord-Est Provincia Autonoma di Trento Trento
Activity type
Research Organisations
Links
Other funding
€ 0,00

Participants (8)