Nonlinear Optical Properties of a Single Quantum Well Waveguide and a Nonlinear Asymmetric Interferometer,
GLASGOW UNIV (UNITED KINGDOM)
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The quantum well semiconductor laser has been shown to be the semiconductor laser of choice for efficiency and thereby high power applications. The key advantage of nonlinear devices fabricated in quantum well waveguides is that they can be easily integrated with quantum well lasers. Nonlinear optical effects in GaAsAlGaAs quantum wells have been of considerable interest for sometime. In guided-wave formats some nonlinear devices have been demonstrated a nonlinear directional coupler has been fabricated and characterised, and a saturable absorber for a mode-locking semiconductor laser has also been demonstrated.
- Lasers and Masers