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Proceedings Paper

Chirped distributed Bragg reflector for broad-band group velocity dispersion compensation in terahertz quantum cascade lasers
Author(s): C. Xu; D. Ban
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Paper Abstract

Behaviors of chirped DBR for group velocity dispersion (GVD) compensation in THz QCLs with metal-metal waveguides have been investigated theoretically in both 1D and 3D models with COMSOL Multiphysics. The strategy of designing chirped DBR for GVD compensation in terahertz frequency range has been presented. In order to achieve broad-band GVD compensation with less distortion, a two-section chirped DBR structure is proposed.

Paper Details

Date Published: 3 November 2016
PDF: 6 pages
Proc. SPIE 10030, Infrared, Millimeter-Wave, and Terahertz Technologies IV, 100301U (3 November 2016); doi: 10.1117/12.2245906
Show Author Affiliations
C. Xu, Univ. of Waterloo (Canada)
D. Ban, Univ. of Waterloo (Canada)


Published in SPIE Proceedings Vol. 10030:
Infrared, Millimeter-Wave, and Terahertz Technologies IV
Cunlin Zhang; Xi-Cheng Zhang; Masahiko Tani, Editor(s)

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