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Browsing Articole ştiinţifice by Author "FEIGINOV, M."

Browsing Articole ştiinţifice by Author "FEIGINOV, M."

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  • Broadband power detector using a circularly-toothed planar logarithmic-periodic antenna 
    SYDLO, C.; KÖGEL, B.; COJOCARI, O.; FEIGINOV, M.; HARTNAGEL, H. L.; MEISSNER, P. (IEEE, 2005)
    A broadband antenna has been coupled to a planar Schottky diode for the realisation of a sensitive power detector for mm-wave frequencies. The measured response curve is in agreement with calculations and shows values of ...
  • Operation of resonant-tunnelling oscillators beyond tunnel lifetime limit 
    FEIGINOV, M.; SYDLO, C.; COJOCARI, O.; MEISSNER, P. (IOP Publishing, 2011)
    The tunnel lifetime of the electrons in the quantum well of a resonant-tunnelling diode (RTD) is usually assumed to be imposing an inherent fundamental limitation on the operating frequencies of RTD oscillators. Here, we ...
  • Operation of resonant-tunnelling-diode oscillators beyond tunnel-lifetime limit at 564 GHz 
    FEIGINOV, M.; SYDLO, C.; COJOCARI, O.; MEISSNER, P. (IOP Publishing, 2012)
    We present resonant-tunnelling-diode (RTD) oscillators, which are operating at frequencies up to 564 GHz. Due to heavy doping of the collector side of our diodes, the oscillators are operating beyond the tunnel-lifetime ...
  • Optical mixing in THz Schottky diodes 
    SCHOENHERR, D.; COJOCARI, O.; SYDLO, C.; GOEBEL, T.; FEIGINOV, M.; HARTNAGEL, H. L.; MEISSNER, P. (IEEE, 2008)
    This paper presents the effect of optical mixing in zero-bias InGaAs Schottky detectors at THz frequencies. The excitation of ultrafast carriers by illumination with two 1.5 mum laser beams is verified. This proves the ...

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