Journal
APPLIED PHYSICS EXPRESS
Volume 3, Issue 1, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1143/APEX.3.014001
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Funding
- Ministry of Education, Culture, Sports, Science and Technology, Japan
- Mitsubishi Foundation
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We demonstrate the operation of resonant tunneling diode (RTD) oscillators with high output power (100-200 mu W) at frequencies of 430-460 GHz using an offset-fed slot antenna in which the RTD is placed at a certain distance from the center of the slot. The highest output power obtained in this study was 200 mu W at 443 GHz for a single RTD with a peak current density of 18 mA/mu m(2); the RTD was placed 45 mu m from the center of a 100-mu m-long antenna. Higher output is expected by optimizing the position and mesa area of the RTD and the antenna length. (C) 2010 The Japan Society of Applied Physics
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