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A third-order-mode emitting laser diode, which is also intended for use with a phase-matched waveguide, is demonstrated and analysed. The AlGaAs/GaAs heterostructure is engineered to down-convert the laser photons into photon pairs through a parametric process. Device design is hampered by competing requirements arising from the laser diode and nonlinear waveguide parts. The optimization strategy is discussed.
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Rossi et al. (2004) studied this question.
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