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Waveguide arrays for linear and nonlinear quantum walks
Lithium niobate on insulator is a new photonics platform with excellent linear and nonlinear optical properties for quantum information applications. Quantum walks, based on arrays of coupled waveguides, enable the study of multi-modal quantum systems and are a platform for quantum simulation. Nonlinear optics, such as three-wave and four-wave mixing could add a new dimension to quantum walks enabling the study of richer physics. This project will focus on the simulation and design of waveguide array for linear optical applications, such as implementation of quantum gates, and then with nonlinear capabilities. A software package will be developed in Python to simulate linear and nonlinear quantum walks, and chip designs will be generated for fabrication. This project will take place in the Optical Nanomaterial Group at ETH Zurich.
Keywords: Quantum walks
Quantum information
Lithium niobate
Integrated photonics
Python
Methods:
• Simulation of evanescently coupled quantum walks including quantum interference
• Design of waveguide array to implement quantum walk for two qubit gates
• Simulation of three- and four-wave-mixing in waveguide arrays
Knowledge of Python including data management, optimization and user interfaces will be beneficial.
Methods:
• Simulation of evanescently coupled quantum walks including quantum interference
• Design of waveguide array to implement quantum walk for two qubit gates
• Simulation of three- and four-wave-mixing in waveguide arrays
Knowledge of Python including data management, optimization and user interfaces will be beneficial.
Not specified
Robert Chapman, HPT H4.1 ETH Zurich, rchapman@phys.ethz.ch
Robert Chapman, HPT H4.1 ETH Zurich, rchapman@phys.ethz.ch