21 October 2016 Ultracompact plasmonic sensor with graphene-based silicon reflector
Author Affiliations +
In this paper, we investigate a monolayer graphene placed on a doped-silicon grating numerically and studied the dependence of its transmission spectra on the geometrical parameters of the grating. A stop-band with great tunability in the mid-infrared region of the transmission spectra are obtained in a much more compact structure size compared to a traditional fiber Bragg grating (FBG). In addition, by inserting a defect into the center of the structure, we introduce a phase shift of π phase shift into the field, leading to an open window in the stop-band transmission spectra. With the good tunability and compact size, our proposed structure can be utilized as graphene-based ultra-compact and highly sensitive plasmonic senors for potential applications.
Conference Presentation
© (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jicheng Wang, Jicheng Wang, Xiaosai Wang, Xiaosai Wang, Ci Song, Ci Song, Xiushan Xia, Xiushan Xia, "Ultracompact plasmonic sensor with graphene-based silicon reflector", Proc. SPIE 9987, Electro-Optical and Infrared Systems: Technology and Applications XIII, 99870X (21 October 2016); doi: 10.1117/12.2240883; https://doi.org/10.1117/12.2240883

Back to Top