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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 19 — Oct. 1, 2013
  • pp: 3724–3726

Photonic-integrated circuit for continuous-wave THz generation

Michael Theurer, Thorsten Göbel, Dennis Stanze, Ute Troppenz, Francisco Soares, Norbert Grote, and Martin Schell  »View Author Affiliations

Optics Letters, Vol. 38, Issue 19, pp. 3724-3726 (2013)

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We demonstrate a photonic-integrated circuit for continuous-wave (cw) terahertz (THz) generation. By comprising two lasers and an optical phase modulator on a single chip, the full control of the THz signal is enabled via a unique bidirectional operation technique. Integrated heaters allow for continuous tuning of the THz frequency over 570 GHz. Applied to a coherent cw THz photomixing system operated at 1.5 μm optical wavelength, we reach a signal-to-noise ratio of 44 dB at 1.25 THz, which is identical to the performance of a standard system based on discrete components.

© 2013 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(040.2235) Detectors : Far infrared or terahertz
(300.6495) Spectroscopy : Spectroscopy, teraherz

ToC Category:

Original Manuscript: August 1, 2013
Manuscript Accepted: August 11, 2013
Published: September 17, 2013

Michael Theurer, Thorsten Göbel, Dennis Stanze, Ute Troppenz, Francisco Soares, Norbert Grote, and Martin Schell, "Photonic-integrated circuit for continuous-wave THz generation," Opt. Lett. 38, 3724-3726 (2013)

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