We demonstrate homodyne detection of microwaves using low-temperature-grown (LTG) GaAs with 1.55-μm optical local oscillator (LO). The sensitivity of the detection is almost proportional to the average power of the optical LO, which indicates that the photoresponse of the LTG-GaAs is linear process in our case. The dynamic range of the detection is more than 50 dB. About -22 dBm of 14.6 GHz emitted from a patch antenna is detected. The possibility for terahertz wave homodyne detection has been discussed.


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    Titel :

    Homodyne detection of microwaves using low-temperature-grown GaAs at 1.55 µm


    Beteiligte:
    Hisatake, S. (Autor:in) / Shimahashi, K. (Autor:in) / Kitahara, G. (Autor:in) / Morimoto, Y. (Autor:in) / Ho-Jin Song, (Autor:in) / Ajito, K. (Autor:in) / Nagatsuma, T. (Autor:in)


    Erscheinungsdatum :

    01.10.2011


    Format / Umfang :

    1334562 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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