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Mesa-Structured InGaAs/InAlAs Photoconductive Antennas for THz Time Domain Systems Operated at 1.5 micrometer

: Dietz, R.J.B.; Röhle, H.; Hensel, H.J.; Böttcher, J.; Künzel, H.; Stanze, D.; Schell, M.; Sartorius, B.

Optical Society of America -OSA-, Washington/D.C.:
Conference on Lasers and Electro-Optics and the Quantum Electronics and Laser Science Conference, CLEO/QELS 2010. CD-ROM : Laser Science to Photonic Applications, May 16-21, 2010, San Jose, California
Washington, DC: OSA, 2010
ISBN: 978-1-55752-889-6
ISBN: 978-1-55752-890-2
2 S.
Conference on Lasers and Electro-Optics Europe (CLEO) <2010, San Jose/Calif.>
Quantum Electronics and Laser Science Conference (QELS) <2010, San Jose/Calif.>
Fraunhofer HHI ()

Mesa-structuring of InGaAs/InAlAs photoconductive layers has been employed for improving THz antennas. The developed devices are evaluated in a time domain spectrometer operating at 1.5 ? m wavelengths. Order-of-magnitude improvements versus planar antennas are demonstrated.