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Continuous wave terahertz systems exploiting 1.5 µm telecom technologies

: Sartorius, B.; Schlak, M.; Stanze, D.; Roehle, H.; Künzel, H.; Schmidt, D.; Bach, H.-G.; Kunkel, R.; Schell, M.

Postprint (415 KByte; PDF; )

Optics Express 17 (2009), No.17, pp.15001-15007
ISSN: 1094-4087
Journal Article, Electronic Publication
Fraunhofer HHI ()

A fiber-assembled CW THz System operating at 1.5 mu m is presented. High speed telecom photodiodes integrated with planar THz antennas serve as THz emitters with power up to 10 mu W. Photoconductive antennas based on LT InGaAs/InAlAs multi-layer structures allow coherent detection. The system operates in a wide frequency range of 0.1-1.6 THz.