Title :
Active plasmonics with surface acoustic waves: Dynamic electro-mechanical control over a surface plasmon polariton launcher
Author :
Ruppert, Claudia ; Forster, Frederike ; Zrenner, Artur ; Kinzel, Joerg B. ; Wixforth, Achim ; Krenner, Hubert J. ; Betz, Markus
Author_Institution :
Exp. Phys. 2, Tech. Univ. Dortmund, Dortmund, Germany
Abstract :
500 MHz surface acoustic waves travel across a commensurate plasmonic grating coupler. A stroboscopic optical technique shows that the dynamic surface deformation deliberately modulates the coupler´s efficiency by +/-2% during the ~ 2ns acoustic cycle.
Keywords :
acousto-optical modulation; deformation; diffraction gratings; electromechanical effects; optical couplers; plasmonics; polaritons; stroboscopes; surface acoustic wave couplers; surface plasmons; acoustic cycle; active plasmonics; commensurate plasmonic grating coupler; coupler efficiency; dynamic electromechanical control; dynamic surface deformation; frequency 500 MHz; stroboscopic optical technique; surface acoustic waves; surface plasmon polariton launcher; Gratings; Optical coupling; Optical modulation; Optical pulses; Optical surface waves; Plasmons; Surface acoustic waves;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
