Non-Hermitian engineering of single mode two dimensional laser arrays

Abstract

A new scheme for building two dimensional laser arrays that operate in the single supermode regime is proposed. This is done by introducing an optical coupling between the laser array and a lossy pseudo-isospectral chain of photonic resonators. The spectrum of this discrete reservoir is tailored to suppress all the supermodes of the main array except the fundamental one. This spectral engineering is facilitated by employing the Householder transformation in conjunction with discrete supersymmetry. The proposed scheme is general and can in principle be used in different platforms such as VCSEL arrays and photonic crystal laser arrays.

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Cited by in corpus (19)

• Anomalous single-mode lasing induced by nonlinearity and the non-Hermitian skin effect
• Mitigation of dynamical instabilities in laser arrays via non-Hermitian coupling
• Symmetry in optics and photonics: a group theory approach
• Supersymmetry-guided method for mode selection and optimization in coupled systems
• Extreme defect sensitivity from large synthetic dimensionality
• Coherent virtual absorption of light in microring resonators
• Tunable two-dimensional laser arrays with zero-phase locking
• Topology of multiple cross-linked Su-Schrieffer-Heeger chains
• Topological protection in nonlinear optical dynamics with parity-time symmetry
• Parity anomaly laser
• Non-Hermitian matter wave mixing in Bose Einstein condensates: dissipation induced amplification
• Supersymmetric reshaping and higher-dimensional rearrangement of photonic lattices
• A new class of higher-order topological insulators that localize energy at arbitrary multiple sites
• Isospectral and square root Cholesky photonic lattices
• Mode visualisation and control of complex lasers using neural networks
• Continuous supersymmetric transformation for photonic design
• Winding around Non-Hermitian Singularities: General Theory and Topological Features
• Pursuing complex optical energy through Exceptional Points of Degeneracy (EPDs)
• Extra Loss-free Non-Hermitian Engineered Single Mode Laser Systems