Laterally-coupled dual-grating distributed feedback lasers for generating\ud mode-beat Terahertz signals

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Hou, Lianping; Haji, Mohsin; Eddie, Iain; Zhu, Hongliang; Marsh, John H.;
  • Publisher: Optical Society of America

We present a laterally coupled dual wavelength 1.56/1.57-μm AlGaInAs/InP DFB laser, which, by introducing two different grating periods on each sidewall, emits two longitudinal modes simultaneously within the same cavity at a frequency separation of 0.82 THz. The beatin... View more
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