Low-local-oscillator-power sub-harmonic mixing in 300-GHz band by Fermi-level managed barrier diode

H. Ito; T. Ishibashi

Low-local-oscillator-power sub-harmonic mixing in 300-GHz band by Fermi-level managed barrier diode

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Author(s): H. Ito¹ and T. Ishibashi²
- Affiliations: 1: Center for Natural Sciences, Kitasato University , 1-15-1 Kitasato, Minami-ku, Sagamihara, Kanagawa 252-0373 , Japan ;
  2: NTT Electronics Techno Corporation , 3-1 Morinosato Wakamiya, Atsugi, Kanagawa 243-0198 , Japan
Source: Volume 56, Issue 24, 26 November 2020, p. 1326 – 1328
DOI: 10.1049/el.2020.2307 , Print ISSN 0013-5194, Online ISSN 1350-911X

Received 06/08/2020, Published 29/10/2020

An anti-parallel (AP) diode pair based on a Fermi-level managed barrier (FMB) diode was developed for the sub-harmonic mixing of terahertz waves. A quasi-optical module integrating an AP–FMB diode pair and a trans-impedance amplifier exhibited a very low noise-equivalent-power of 9 × 10⁻¹⁹ W/Hz at an input signal frequency of 304 GHz with a very low local oscillator power of 30 μW.

References

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Low-local-oscillator-power sub-harmonic mixing in 300-GHz band by Fermi-level managed barrier diode

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