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CATEGORY:
Special Seminar - Solid State Institute, Technion
TITLE:
Nonlinear photonics in metal and graphene-based nanostructures
Speaker:
Dr.Andrea Marini
Affiliation:
ICFO – The Institute of Photonic Sciences, Barcelona, Spain
WHEN:
Sunday
22/01/2017, 11:30 - 12:30
WHERE:
Lidow, Asher Peres (502)
Organizer:
-
Site:
-
Remarks:
Host: Professor Noam Soker

Abstract

We discuss the nonlinear response of gold-based plasmonic waveguides excited with
ultrafast optical pulses, showing that interband absorption can be suppressed via selfinduced-transparency plasmon solitons, thus opening novel routes for optical processing of
information at the subwavelength scale. In addition, we discuss slow light in epsilon-nearzero materials, enabling optical data storage and the enhancement of nonlinear processes
for harmonic generation and optical control. Finally, we discuss the potential of graphene
for plasmon-based spectrometry-free sensing, high harmonic generation, and for the
development of cavity-free lasers. We show that saturable absorption of graphene occurs at
remarkably low intensities and can be exploited to achieve self-organization of light into
dissipative optical solitons in graphene-based random lasers, thus enabling single-mode
operation in such disordered structures.

FaLang translation system by Faboba