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Tuning Optical Conductivity of Large-Scale CVD Graphene by Strain Engineering
Guang-Xin Ni, Hong-Zhi Yang, Wei Ji +5
Strain engineering has been recently recognized as an effective way to tailor the electrical properties of graphene. In the optical domain, effects such as strain-induced anisotrop…
Conductance modulation in topological insulator Bi2Se3 thin films with ionic liquid gating
Jaesung Son, Karan Banerjee, Matthew Brahlek +5
A Bi2Se3 topological insulator field effect transistor is investigated by using ionic liquid as an electric double layer gating material, leading to a conductance modulation of 365…
Ultrafast and widely tuneable vertical-external-cavity surface-emitting laser, mode-locked by a graphene-integrated distributed Bragg reflector
C. A. Zaugg, Z. Sun, V. J. Wittwer +11
We report a versatile and cost-effective way of controlling the unsaturated loss, modulation depth and saturation fluence of graphene-based saturable absorbers (GSAs), by changing…
Graphene/liquid crystal based terahertz phase shifters
Yang Wu, Xuezhong Ruan, Chih-Hsin Chen +9
Due to its high electrical conductivity and excellent transmittance at terahertz frequencies, graphene is a promising candidate as transparent electrodes for terahertz devices. We…
Quasi-Periodic Nanoripples in Graphene Grown by Chemical Vapor Deposition and Its Impact on Charge Transport
Guang-Xin Ni, Yi Zheng, Sukang Bae +8
The technical breakthrough in synthesizing graphene by chemical vapor deposition methods (CVD) has opened up enormous opportunities for large-scale device applications. In order to…