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Träfflista för sökning "L4X0:0277 786X srt2:(2000-2004)"

Sökning: L4X0:0277 786X > (2000-2004)

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1.
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2.
  • Kamp, M., et al. (författare)
  • Technology and properties of photonic crystal based active and passive optoelectronic devices
  • 2004
  • Konferensbidrag (refereegranskat)abstract
    • We have investigated tunable photonic crystal waveguide lasers and their integration with a photonic crystal based combiner. The devices were fabricated on a layer structure with active and passive sections. The lasers are formed in the active part and consist of two longitudinally coupled photonic crystal waveguide segements. Photonic crystals based waveguides and a combiner, both defined in the passive sections, are used to direct the light of the two sources into a single output waveguide. Tuning over a 30 nm range is demonstrated. The two sources can be operated independently, allowing the simultaneous transmission of two freely selectable wavelengths.
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3.
  • Lysak, V. V., et al. (författare)
  • The influence of gain nonlevearities on distortion in semiconductor lasers
  • 2004
  • Konferensbidrag (refereegranskat)abstract
    • The modulation response and second harmonic distortion was analyzed for different gain models and compared with exact integral gain models. It was shown that if we modulate the laser around steady state with a signal, it would induce carrier and photon fluctuations. The second order distortion depended on the carrier and photon modulation response, the internal mixing process determined by the Hessian matrix creating a fictive injection signal and the carrier and photon modulation response at intermodulation frequency. It was found that the approximate model has a reasonable good agreement with an exact comprehensive gain model at all frequencies and pumping currents.
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  • Resultat 1-3 av 3

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