High‐Order Nonlinearity of Surface Plasmon Resonance in Au Nanoparticles: Paradoxical Combination of Saturable and Reverse‐Saturable Absorption
Source abstract
Abstract
The remarkable nonlinear effects of surface plasmon resonance in Au nanoparticles, mainly the third-order and fifth-order nonlinearities, are responsible for saturable absorption and reverse-saturable absorption, respectively, with a switch in the nonlinear absorption behavior at 5 GW cm−2. By employing the saturable absorption effect of Au nanoparticles, a passively Q-switched solid-state pulsed laser is successfully demonstrated at the wavelength of 1.06 μm.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Nonlinear Optical Materials Studies · Advanced Fiber Laser Technologies · Laser-Matter Interactions and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
State Key Laboratory of Crystal Materials and Institute of Crystal Materials Shandong University Jinan 250100 P. R. China
Division of Physics and Applied Physics School of Physical and Mathematical Sciences Nanyang Technological University 637371 Singapore
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