4.6 Article

Type-II quasi phase matching in periodically intermixed semiconductor superlattice waveguides

Journal

OPTICS LETTERS
Volume 35, Issue 8, Pages 1299-1301

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OL.35.001299

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Funding

  1. EPSRC [EP/E009972/1] Funding Source: UKRI
  2. Engineering and Physical Sciences Research Council [EP/E009972/1] Funding Source: researchfish

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Second-harmonic generation using the type-II polarization configuration is demonstrated in quasi-phase-matched GaAs/AlGaAs superlattice waveguides. Phase-matching wavelengths and conversion efficiencies were determined for several quasi-phase-matching periods using 1.9 ps pulses. Saturation effects at high input power were concluded to be the result of third-order nonlinear effects. (C) 2010 Optical Society of America

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