Power Combination in 1 THz Resonant-Tunneling-Diode Oscillators Integrated with Patch Antennas

Kouhei KASAGI  Naoto OSHIMA  Safumi SUZUKI  Masahiro ASADA  

IEICE TRANSACTIONS on Electronics   Vol.E98-C    No.12    pp.1131-1133
Publication Date: 2015/12/01
Online ISSN: 1745-1353
DOI: 10.1587/transele.E98.C.1131
Type of Manuscript: BRIEF PAPER
terahertz,  resonant tunneling diode,  oscillator,  patch antenna,  array,  

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In this study, we propose and fabricate an oscillator array composed of three resonant-tunneling-diode terahertz oscillators integrated with slot-coupled patch antennas, and which does not require a Si lens. We measure the radiation pattern for single and arrayed oscillator, and calculate the output power using the integration of the pattern. The output power of a single oscillator was found to be ~15 µW. However, using an array configuration, almost combined output power of ~55 µW was obtained.