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Title: Bandwidth analysis of waveguide grating coupler
Authors: Xiao, Zhe
Liow, Tsung-Yang
Zhang, Jing
Shum, Perry Ping
Luan, Feng
Keywords: DRNTU::Engineering::Electrical and electronic engineering::Antennas, wave guides, microwaves, radar, radio
Issue Date: 2013
Source: Xiao, Z., Liow, T. Y., Zhang, J., Shum, P., & Luan, F. (2013). Bandwidth analysis of waveguide grating coupler. Optics Express, 21(5), 5688-5700.
Series/Report no.: Optics express
Abstract: The bandwidth of planar waveguide grating couplers is theoretically investigated based on the rigorous grating theory. We observe that the bandwidth behavior is not only determined by the grating coupler intrinsic properties, but also affected by the fiber parameters such as position, beam waist and Numerical Aperture. The rigorous bandwidth formula is derived. By analyzing the formula, several practical guidelines are proposed for grating coupler design and fiber operation in order to achieve wideband performance.
ISSN: 1094-4087
DOI: 10.1364/OE.21.005688
Schools: School of Electrical and Electronic Engineering 
Rights: © 2013 Optical Society of America. This paper was published in Optics Express and is made available as an electronic reprint (preprint) with permission of Optical Society of America. The paper can be found at the following official DOI: One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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