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Evidence for cascaded third harmonic generation in non-centrosymmetric gold nanoantennas
Michele Celebrano, Andrea Locatelli, Lavinia Ghirardini +10
The optimization of nonlinear optical processes at the nanoscale is a crucial step for the development of nanoscale photon sources for quantum-optical networks. The development of…
Electromechanically Tunable Suspended Optical Nano-antenna
Kai Chen, Gary Razinskas, Thorsten Feichtner +3
Coupling mechanical degrees of freedom with plasmonic resonances has potential applications in optomechanics, sensing, and active plasmonics. Here we demonstrate a suspended two-wi…
Mode-matching in multiresonant plasmonic nanoantennas for enhanced second harmonic generation
Michele Celebrano, Xiaofei Wu, Milena Baselli +10
Boosting nonlinear frequency conversion in extremely confined volumes remains a key challenge in nano-optics, nanomedicine, photocatalysis, and background-free biosensing. To this…
Nanoscale confinement of all-optical switching in TbFeCo using plasmonic antennas
TianMin Liu, Tianhan Wang, Alexander H. Reid +17
All-optical switching (AOS) of magnetic domains by femtosecond laser pulses was first observed in the transition metal-rare earth (TM-RE) alloy GdFeCo1-5; this phenomenon demonstra…