Conference on Lasers and Electro-Optics · 2018 · 41 citations · 0 references
EngineeringElectrical EngineeringOpticsOptoelectronicsPhotonicsIntegrated PhotonicsLaser OpticsLaser PhysicsSemiconductor LasersSilicon PhotonicsTopological MaterialsCharge ConjugationCharge Symmetry BreakingCharge-parity SymmetryMicrolasersNonlinear Silicon PhotonicsSingle-mode LasersSingle-mode Semiconductor Lasers
We present an active topological hybrid silicon microlaser array respecting the charge-conjugation symmetry. The created symmetry favors the lasing of a protected zero-mode, where robust single-mode laser action prevails even with intentionally introduced perturbations.