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    National Tsing Hua University Institutional Repository > 理學院 > 物理系 > 期刊論文 >  Sub- THz Photonic- Transmitters Based on Separated- Transport- Recombination Photodiode and Micromachined Slots Antenna


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/82212


    Title: Sub- THz Photonic- Transmitters Based on Separated- Transport- Recombination Photodiode and Micromachined Slots Antenna
    Authors: Yu-Tai Li;J.-W. Shi;Ci-Ling Pan;C.-H. Chiu;W.- S. Liu;C. -K. Sun;J. -I. Chyi
    教師: 潘犀靈
    Date: 2007
    Publisher: Institute of Electrical and Electronics Engineers
    Relation: IEEE Photonics Technology Letters, v 19, n 11, p 840-842, June 1, 2007
    Keywords: TRAVELING-CARRIER PHOTODIODE
    WAVE
    PERFORMANCE
    GENERATION
    Abstract: We demonstrate a novel photonic transmitter, which is composed of a low-temperature-grown GaAs (LTG-GaAs)-based separated-transport-recombination photodiode and a micromachined slot antenna. Under femtosecond optical pulse illumination, this device radiates strong electrical pulses (4.5-mW peak power) without the use of a Si-lens. It can be observed in the Fourier transform infrared spectrometer spectrum of radiated pulses that a significant resonance, with a peak power of approximately 300 mu W, occurs at 500 GHz, which corresponds to the designed resonant frequency of the slot antenna. The saturation problem related to the output terahertz power that occurs with the traditional LTG-GaAs-based photonic-transmitters when operated under high external applied electrical fields (> 50 kV/cm) has been eliminated by the use of our device.
    URI: http://www.ieee.org/
    http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/82212
    Appears in Collections:[物理系] 期刊論文

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