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Bogoliubov theory of the laser linewidth and application to polariton condensates
Ivan Amelio, Iacopo Carusotto
For a generic semi-classical laser dynamics in the complex Ginzburg-Landau form, we develop a Bogoliubov approach for the computation of the laser emission linewidth. Our method pr…
Influence of the bus waveguide on the linear and nonlinear response of a taiji microresonator
Riccardo Franchi, Stefano Biasi, Alberto Muñoz de las Heras +3
We study the linear and nonlinear response of a unidirectional reflector where a nonlinear breaking of the Lorentz reciprocity is observed. The device under test consists of a race…
Unidirectional lasing in nonlinear Taiji micro-ring resonators
Alberto Muñoz de las Heras, Iacopo Carusotto
We develop a general formalism to study laser operation in active micro-ring resonators supporting two counterpropagating modes. Our formalism is based on the coupled-mode equation…
Linearized theory of the fluctuation dynamics in 2D topological lasers
Aurelian Loirette-Pelous, Ivan Amelio, Matteo Seclì +1
We theoretically study the collective excitation modes of a topological laser device operating in a single-mode steady-state with monochromatic emission. We consider a model device…
Nonlinearity-induced reciprocity breaking in a single non-magnetic Taiji resonator
A. Muñoz de las Heras, R. Franchi, S. Biasi +3
We report on the demonstration of an effective, nonlinearity-induced non-reciprocal behavior in a single non-magnetic multi-mode Taiji resonator. Non-reciprocity is achieved by a c…