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Applied Physics Letters / Volume 99 / Issue 23 / DEVICE PHYSICS

Appl. Phys. Lett. 99, 233506 (2011); http://dx.doi.org/10.1063/1.3667191 (3 pages)

Resonant-tunnelling-diode oscillators operating at frequencies above 1.1 THz

Michael Feiginov1, Cezary Sydlo1, Oleg Cojocari1,2, and Peter Meissner1

1Technische Universität Darmstadt, 64283 Darmstadt, Germany
2ACST GmbH, 64283 Darmstadt, Germany

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(Received 26 October 2011; accepted 18 November 2011; published online 8 December 2011)

We present resonant-tunnelling-diode (RTD) oscillators operating at the fundamental frequency of 1111 GHz. We show that our RTDs and RTD oscillators have much room for further improvement of their parameters and for further increase of their operating frequencies. The operating frequencies of several THz should be achievable with RTD oscillators. Our study also shows that operation of RTDs beyond the relaxation-time limit at THz frequencies should be possible. RTD oscillators under study are extremely compact (less than a square millimeter) room-temperature sources of coherent cw THz radiation. Such sources should enable plenty of real-world THz applications.

© 2011 American Institute of Physics

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KEYWORDS and PACS

Keywords

oscillators, resonant tunnelling diodes, terahertz waves

PACS

  • 85.30.Mn

    Junction breakdown and tunneling devices (including resonance tunneling devices)

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3667191

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

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