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Search: L773:0819462411 OR L773:9780819462411

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1.
  • Pougeoise, E., et al. (author)
  • Experimental characteristics and analysis of transverse modes in 1.3 μm strained InGaAs quantum well VCSELs
  • 2006
  • In: Proc SPIE Int Soc Opt Eng. - : SPIE. - 0819462411 - 9780819462411
  • Conference paper (peer-reviewed)abstract
    • In the context of optical interconnection applications, we report on results obtained on strained InGaAs quantum well Vertical Cavity Surface Emitting Lasers (VCSELs). Our devices are top p-type DBR oxide-confined VCSEL, grown by metalorganic vapour-phase epitaxy (MOVPE). These lasers exhibit low threshold currents and deliver up to 1.77 mW in continuous wave operation at room temperature. Fundamental mode continuous-wave lasing at wavelengths beyond 1300 nm at room temperature is reached for a 4 μm oxide diameter VCSEL. The particular design of the active layer based on a large detuning between the gain maximum and the cavity resonance gives our devices a very specific thermal and modal behaviour. Therefore, we study the spectral and spatial distributions of the transverse modes by near field scanning optical microscopy using a micropolymer tip at the end of an optical fibre.
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2.
  • Karlsson, Stefan E., et al. (author)
  • Low cost packaging of a reflective electroabsorption Modulator/Detector with optimized spurious free dynamic range - art. no. 61850M
  • 2006
  • In: Micro-Optics, VCSELs, and Photonic Interconnects II: Fabrication, Packaging, and Integration. - BELLINGHAM, WA : SPIE-INT SOC OPTICAL ENGINEERING. - 9780819462411 ; , s. M1850-M1850
  • Conference paper (peer-reviewed)abstract
    • A packaged high speed reflective electroabsorption transceivers for radio-over-fiber applications is demonstrated. The transceiver, an AFPMD (Asymmetric vertically addressed Fabry-Perot Modulator/Detector), is successfully packaged into a standard module, originally intended for 10 Gbit/s Ethernet detectors. The packaging process and the electrical, optical and thermal performance of the packaged component are presented. A bandwidth of 6 GHz, a total reflective optical coupling loss of 7.1 dB and a responsitivity of 0.14 mA/mW are accomplished. By optimizing the operation optical wavelength and bias voltage, fifth-order nonlinearity dominates the intermodulation distortion and a spurious free dynamic range (SFDR) of 101dB center dot Hz(4/5) at 5.554GHz can be achieved experimentally.
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