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This research investigates methods to achieve high output power in terahertz oscillators using resonant tunneling diodes.

High-Power Operation of Terahertz Oscillators With Resonant Tunneling Diodes Using Impedance-Matched Antennas and Array Configuration

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Randomized trial examines output power in terahertz oscillators, indicating effective design strategies for improved performance.

This research investigates methods to achieve high output power in terahertz oscillators using resonant tunneling diodes.
Theoretical and experimental analysis of oscillator design, including offset-fed slot antennas and antenna width adjustments.
Measurement of output power in single oscillator configurations and two-element arrays.
Use of impedance matching to optimize performance and output power.
Achieved output power of ~400 μW at 530-590 GHz with RTDs and offset-fed slot antennas.
Theoretical expectation of >1 mW output power with optimized designs combining RTDs and antennas.
Combined output powers in two-element array: 610 μW at 620 GHz, 270 μW at 770 GHz, and 180 μW at 810 GHz.

Suzuki et al. (2012) studied this question.

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