Controllable Asymmetric Phase-Locked States of the Fundamental Active Photonic Dimer

Abstract

Coupled semiconductor lasers are systems possessing complex dynamics that are interesting for numerous applications in photonics. In this work, we investigate the existence and the stability of asymmetric phase-locked states of the fundamental active photonic dimer consisting of two coupled lasers. We show that stable phase-locked states of arbitrary asymmetry exist for extended regions of the parameter space of the system and that their field amplitude ratio and phase difference can be dynamically controlled by appropriate current injection. The model includes the important role of carrier density dynamics and shows that the phase-locked state asymmetry is related to operation conditions providing, respectively, gain and loss in the two lasers.

arXiv comment19 pages, 9 figures

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• Mitigation of dynamical instabilities in laser arrays via non-Hermitian coupling
• Exceptional Points in Two Dissimilar Coupled Diode Lasers
• Photonic Flatband Laser
• Rate equation analysis and non-Hermiticity in coupled semiconductor laser arrays
• Spectral Signatures of Exceptional Points and Bifurcations in the Fundamental Active Photonic Dimer
• Bistability in Two Simple Symmetrically Coupled Oscillators with Symmetry-broken Amplitude- and Phase-Locking
• Radically Tunable Ultrafast Photonic Oscillators via Differential Pumping
• Parametric control of self-sustained and self-modulated optomechanical oscillations
• Tweaking Spectral Topology and Exceptional Points by Nonlinearity in Non-Hermitian Polariton Systems
• Parity anomaly laser
• Non-Hermitian gauged laser arrays with localized excitations: Anomalous threshold and generalized principle of selective pumping
• Spatial Control of Localized Oscillations in Arrays of Coupled Laser Dimers
• Modeling active optical networks
• Lasing in para-Fermi class-B microring resonator arrays
• Routes to chaos in a class-B laser coupled to a neutral resonator
• Antiresonances and Ultrafast Resonances in a Twin Photonic Oscillator