12 October 2010 Towards a THz backward wave amplifier in European OPTHER project
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Proceedings Volume 7837, Millimetre Wave and Terahertz Sensors and Technology III; 783706 (2010); doi: 10.1117/12.864986
Event: SPIE Security + Defence, 2010, Toulouse, France
Abstract
Within the EC funded international project OPTHER (OPtically Driven TeraHertz AmplifiERs) a considerable technological effort is being undertaken, in terms of technological development, THz device design and integration. The ultimate goal is to develop a miniaturised THz amplifier based on vacuum-tube principles The main target specifications of the OPTHER amplifier are the following: - Operating frequency: in the band 0.3 to 2 THz - Output power: > 10 mW ( 10 dBm ) - Gain: 10 to 20 dB. The project is in the middle of its duration. Design and simulations have shown that these targets can be met with a proper device configuration and careful optimization of the different parts of the amplifier. Two parallel schemes will be employed for amplifier realisation: THz Drive Signal Amplifier and Optically Modulated Beam THz Amplifier.
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M. Dispenza, F. Brunetti, C.-S. Cojocaru, A. de Rossi, A. Di Carlo, D. Dolfi, A. Durand, A. M. Fiorello, A. Gohier, P. Guiset, M. Kotiranta, V. Krozer, P. Legagneux, R. Marchesin, S. Megtert, F. Bouamrane, M. Mineo, C. Paoloni, K. Pham, J. P. Schnell, A. Secchi, E. Tamburri, M. L. Terranova, G. Ulisse, V. Zhurbenko, "Towards a THz backward wave amplifier in European OPTHER project", Proc. SPIE 7837, Millimetre Wave and Terahertz Sensors and Technology III, 783706 (12 October 2010); doi: 10.1117/12.864986; https://doi.org/10.1117/12.864986
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KEYWORDS
Terahertz radiation

Optical amplifiers

Modulation

Laser optics

Waveguides

Amplifiers

Chemical vapor deposition

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