Light trap turns photons into massive quasiparticles: Page 2 of 2

November 20, 2019 //By Julien Happich
Light trap
Researchers from the University of Warsaw have created a light trap consisting of a thin optical cavity filled with liquid crystal, whose properties they could tune by applying an external voltage. The tunable light trap imparted novel properties to photons, turning them into massive quasiparticles with a spin.

Doing so, they were able to build a photonic system that perfectly imitates electronic properties and leads to many surprising physical effects such as topological states of light. The authors anticipate that such photons-engineered spin-orbit synthetic Hamiltonians could be used to simulate non-trivial condensed matter and quantum phenomena, eventually leading to the implementation of new optoelectronic devices such as optical neural networks able to perform neuromorphic calculations.

Their goal is to leverage this new light trap to creating a unique quantum state of matter, the Bose Einstein condensate, which could be used for quantum calculations and simulations.

University of Warsaw -

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