Widely Tunable High-Power Two-Color VECSELs for New Wavelength Generation

  title={Widely Tunable High-Power Two-Color VECSELs for New Wavelength Generation},
  author={Michal L Lukowski and Chris Hessenius and Mahmoud Fallahi},
  journal={IEEE Journal of Selected Topics in Quantum Electronics},
We report a collinear two-color vertical external cavity surface emitting laser (VECSEL), which with minimal changes is suitable for intracavity type I second harmonic generation (SHG), type II sum frequency generation (SFG), and type II difference frequency generation (DFG). The demonstrated two-chip cavity provides high-brightness, independently tunable two color, orthogonally polarized intracavity lasing modes. VECSEL chips with emission around 970 and 1185 nm allow the generation of a wide… CONTINUE READING


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