Chirped distributed Bragg reflector for broad-band group velocity dispersion compensation in terahertz quantum cascade lasers

C. Xu; D. Ban

doi:10.1117/12.2245906

3 November 2016 Chirped distributed Bragg reflector for broad-band group velocity dispersion compensation in terahertz quantum cascade lasers

C. Xu, D. Ban

Author Affiliations +

Proceedings Volume 10030, Infrared, Millimeter-Wave, and Terahertz Technologies IV; 100301U (2016) https://doi.org/10.1117/12.2245906
Event: SPIE/COS Photonics Asia, 2016, Beijing, China

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.

Citation Download Citation

C. Xu and D. Ban "Chirped distributed Bragg reflector for broad-band group velocity dispersion compensation in terahertz quantum cascade lasers", Proc. SPIE 10030, Infrared, Millimeter-Wave, and Terahertz Technologies IV, 100301U (3 November 2016); https://doi.org/10.1117/12.2245906

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