Dual frequency Brillouin fiber laser and 1.55 &amp;#x03BC;m photomixer for highly coherent THz wave generation

G Ducournau,E Peytavit,P Szriftgiser,D Bacquet,J F Lampin,A Beck,T Akalin

doi:10.1109/irmmw-thz.2011.6105047

Dual frequency Brillouin fiber laser and 1.55 &#x03BC;m photomixer for highly coherent THz wave generation

G Ducournau, E Peytavit + Show 5 more

https://doi.org/10.1109/irmmw-thz.2011.6105047

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Publication Date: Oct 1, 2011

Affiliation: Institute of Electronics, Microelectronics and Nanotechnology, Laboratoire de Physique des Lasers, Atomes et Molécules

#THz Photomixer #Dual Fiber + Show 8 more

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Abstract

Using a dual frequency Brillouin fiber laser and a 1.55 μm photomixer, we report the generation of a highly coherent kilo-Hertz level sub-millimeter wave emission. This system does not require any electrical synthesizer, and low cost telecom components are used to achieve very simple source architecture. The THz photomixer is composed of a uni-travelling carrier photodiode integrated with an antenna. A ∼ 1 kHz linewidth emission at 316 GHz is observed, with a signal to noise ratio > 65 dB.

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