Tunable telecom MEMS-VCSEL for wideband terahertz photomixing

M. T. Haidar,S. Paul,C. Gierl, J. Cesar,F. Küppers,S. Preu

semanticscholar（2015）

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Abstract

We report terahertz generation with photomixers that are driven by an ultra-broadband tunable micro electromechanical system (MEMS) vertical-cavity surface-emitting laser (VCSEL) and a fixed-wavelength VCSEL. Electro-thermal tuning of the MEMS-VCSEL enables wideband terahertz photomixing. A frequency span of 3.37 THz is covered which is solely limited by the dynamic range of the terahertz components.

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