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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 8 — Apr. 14, 2008
  • pp: 5171–5180

Terahertz sideband-tuned quantum cascade laser radiation

Andriy A. Danylov, Jerry Waldman, Thomas M. Goyette, Andrew J. Gatesman, Robert H. Giles, Jin Li, William D. Goodhue, Kurt J. Linden, and William E. Nixon  »View Author Affiliations

Optics Express, Vol. 16, Issue 8, pp. 5171-5180 (2008)

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A compact, tunable, narrowband terahertz source was demonstrated by mixing a single longitudinal mode 2.408 THz, free running quantum cascade laser with a 2–20 GHz microwave sweeper in a conventional corner-cube-mounted Schottky diode. The sideband spectra were characterized with a Fourier transform spectrometer, and the radiation was tuned through several D2O rotational transitions to estimate the longer term (t≥several sec) bandwidth of the source. A spectral resolution of 2 MHz in CW regime was observed.

© 2008 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(300.1030) Spectroscopy : Absorption
(300.3700) Spectroscopy : Linewidth
(300.6270) Spectroscopy : Spectroscopy, far infrared
(140.5965) Lasers and laser optics : Semiconductor lasers, quantum cascade

ToC Category:
Lasers and Laser Optics

Original Manuscript: February 4, 2008
Revised Manuscript: March 27, 2008
Manuscript Accepted: March 27, 2008
Published: March 31, 2008

Virtual Issues
Vol. 3, Iss. 5 Virtual Journal for Biomedical Optics

Andriy A. Danylov, Jerry Waldman, Thomas M. Goyette, Andrew J. Gatesman, Robert H. Giles, Jin Li, William D. Goodhue, Kurt J. Linden, and William E. Nixon, "Terahertz sideband-tuned quantum cascade laser radiation," Opt. Express 16, 5171-5180 (2008)

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