Robust nonlinear and topological quantum photonics

Andrea Blanco-Redondo

doi:10.1117/12.2619015

9 March 2022 Robust nonlinear and topological quantum photonics

Andrea Blanco-Redondo

Proceedings Volume PC12017, Complex Light and Optical Forces XVI; PC1201701 (2022) https://doi.org/10.1117/12.2619015
Event: SPIE OPTO, 2022, San Francisco, California, United States

Abstract

In this talk we will discuss how to engineer the dispersion relation of photonic platforms to provide robust propagation of classical and quantum states of light. In the first part, we will unveil how to leverage the interaction of nonlinearity with higher orders of dispersion to create novel types of solitons, wave packets that propagate unperturbed for long distances. These objects have advantageous energy-width scaling laws with respect to conventional nonlinear Schrodinger solitons and show promise for applications in ultrafast lasers and integrated frequency combs. Subsequently, we will cover recent developments in topological quantum photonics. Topological photonics studies topological phases of light and leverages the appearance of robust topological edge states. We will emphasize our experimental demonstration of nonlinearly generated and topologically protected photon pairs and path-entangled biphoton states in silicon waveguide arrays. Further, we will detail our latest experiments demonstrating entanglement between topologically distinct modes, highlighting topology as an entanglement degree of freedom.

Conference Presentation

Citation Download Citation

Andrea Blanco-Redondo "Robust nonlinear and topological quantum photonics", Proc. SPIE PC12017, Complex Light and Optical Forces XVI, PC1201701 (9 March 2022); https://doi.org/10.1117/12.2619015

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