Study of high power generation in UTC-PD at 110-210 GHz

Toshimasa Umezawa, Atsushi Kanno, Kouichi Akahane, Atsushi Matsumoto, Naokatsu Yamamoto, Tetsuya Kawanishi

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    2 Citations (Scopus)

    Abstract

    We designed and fabricated a low-bias operational uni-travelling carrier photodiode (UTC-PD) structure, which can be operated at over 100 GHz. The main structure of the device consisted of p-doped InGaAs for the photo-absorption layer and non-doped InP for the carrier collector layer, to obtain both a high electron drift velocity at a low bias and a small CR time constant based on the pn-junction capacitance. Through an on-wafer probing test, the frequency response was measured up to 210 GHz using a 1 mm coaxial connecter type (DC-110GHz), W-band (75-110 GHz) and G-band (140-220 GHz) waveguide probe with a spectrum analyzer. In the measurement results, a large bandwidth of 10 MHz-110 GHz could be obtained with good flatness within ±1 dB. When the W-band and G-band performance were characterized, the high-power characteristic of -3.8 dBm could be achieved at 106 GHz. and the output power level of - 19.8 dBm could be confirmed at 210 GHz as well.

    Original languageEnglish
    Title of host publicationTerahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XI
    PublisherSPIE
    Volume10531
    ISBN (Electronic)9781510615472
    DOIs
    Publication statusPublished - 2018 Jan 1
    Event2017 Conference on Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XI - San Francisco, United States
    Duration: 2018 Jan 292018 Feb 1

    Other

    Other2017 Conference on Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XI
    CountryUnited States
    CitySan Francisco
    Period18/1/2918/2/1

    Keywords

    • bias-free
    • frequency response
    • high output
    • THz
    • uni-travelling carrier photodetector

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Condensed Matter Physics
    • Computer Science Applications
    • Applied Mathematics
    • Electrical and Electronic Engineering

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  • Cite this

    Umezawa, T., Kanno, A., Akahane, K., Matsumoto, A., Yamamoto, N., & Kawanishi, T. (2018). Study of high power generation in UTC-PD at 110-210 GHz. In Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XI (Vol. 10531). [1053115] SPIE. https://doi.org/10.1117/12.2287589