Title :
Giant modulation depth in the photoexcited topological surface plasmons exceeding 2,400 %
Author :
Sangwan Sim;Houk Jang;Nikesh Koirala;Matthew Brahlek;Ji Ho Sung;Jun Park;Soonyoung Cha;Seongshik Oh;Moon-Ho Jo;Jong-Hyun Ahn;Hyunyong Choi
Author_Institution :
School of Electrical and Electronic Engineering, Yonsei University, Seoul 120-749, Korea
Abstract :
We present ultrafast optical modulation of plasmons in a topological insulator Bi2Se3 micrio-ribbon array. Unprecedented giant modulation depth up to 2,400 % is obtained with very low fluence of optical control pulse.
Keywords :
"Plasmons","Optical modulation","Optical pumping","Ultrafast optics","Optical pulses","Optical amplifiers"
Conference_Titel :
Lasers and Electro-Optics Pacific Rim (CLEO-PR), 2015 11th Conference on
DOI :
10.1109/CLEOPR.2015.7376001
