?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Nonlinear+optical+interactions+of+topological+modes+of+photonic+nanostructures&rft.creator=Lan%2C+Z&rft.creator=You%2C+J&rft.creator=Panoiu%2C+N-C&rft.description=Topological+photonics+aims+to+utilize+topological+photonic+bands+and+corresponding+edge+modes+to+implement+robust+light+manipulation.+Importantly%2C+topological+photonics+provide+an+ideal+platform+to+study+nonlinear+interactions.+In+this+talk%2C+I+will+review+some+recent+results+regarding+nonlinear+interactions+of+one-way+edge-modes+in+frequency+mixing+processes+in+topological+photonic+nanostructures.+More+specifically%2C+I+will+discuss+the+band+topology+of+2D+photonic+crystals+with+hexagonal+symmetry+and+demonstrate+that+SHG+and+THG+can+be+implemented+via+one-way+edge+modes.+Moreover%2C+I+will+demonstrate+that+more+exotic+phenomena%2C+such+as+slow-light+enhancement+of+nonlinear+interactions+and+harmonic+generation+upon+interaction+of+backward-propagating+edge+modes+can+also+be+realized.+Finally%2C+FWM+of+topological+plasmon+modes+of+graphene+plasmonic+crystals+and+SHG+upon+interaction+of+valley-Hall+topological+modes+of+all-dielectric+photonic+crystals+will+be+discussed.&rft.publisher=SPIE&rft.date=2020-10-06&rft.type=Proceedings+paper&rft.publisher=SPIE+Optics+%2B+Photonics&rft.language=eng&rft.source=+++++In%3A++Proceedings+of+Active+Photonic+Platforms+XII.++(pp.+114610X).++SPIE+(2020)+++++&rft.format=text&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10125328%2F7%2FPanoiu_114610X.pdf&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10125328%2F&rft.rights=open