Topologically protected parametric wavelength conversion in a valley hall insulator
Nonlinear phenomena are investigated in a topological photonic valley Hall insulator (VHI)
using a Kagome system designed to have localized topological boundary state (TBS) at …
using a Kagome system designed to have localized topological boundary state (TBS) at …
Optically reconfigurable higher-order valley photonic crystals based on enhanced Kerr effect
The reconfigurable higher-order topological states are realized in valley photonic crystals
with enhanced optical Kerr nonlinearity. The inversion symmetry of the designed valley …
with enhanced optical Kerr nonlinearity. The inversion symmetry of the designed valley …
Second harmonic generation by matching the phase distributions of topological corner and edge states
Second harmonic generation (SHG) in topological photonic crystals is chiefly concerned
with frequency conversion between the same topological states. However, little attention has …
with frequency conversion between the same topological states. However, little attention has …
Topological slow light enhanced second harmonic generation in double-resonant topological photonic crystal
W Hu, C Liu, J Guo, X Dai, S Wen… - Journal of Applied Physics, 2023 - pubs.aip.org
Generally, the second-harmonic generation and slow light of multi-band topological edge
states (TESs) have been studied separately. Therefore, the influence of simultaneous slow …
states (TESs) have been studied separately. Therefore, the influence of simultaneous slow …