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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 36, Iss. 14 — Jul. 15, 2011
  • pp: 2626–2628

High-power dual-wavelength external-cavity diode laser based on tapered amplifier with tunable terahertz frequency difference

Mingjun Chi, Ole Bjarlin Jensen, and Paul Michael Petersen  »View Author Affiliations

Optics Letters, Vol. 36, Issue 14, pp. 2626-2628 (2011)

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Tunable dual-wavelength operation of a diode laser system based on a tapered diode amplifier with double-Littrow external-cavity feedback is demonstrated around 800 nm . The two wavelengths can be tuned individually, and the frequency difference of the two wavelengths is tunable from 0.5 to 5.0 THz . An output power of 1.54 W is achieved with a frequency difference of 0.86 THz , the output power is higher than 1.3 W in the 5.0 THz range of frequency difference, and the amplified spontaneous emission intensity is more than 20 dB suppressed in the range of frequency difference. To our knowledge, this is the highest output power from a dual-wavelength diode laser system operating with tunable terahertz frequency difference.

© 2011 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3280) Lasers and laser optics : Laser amplifiers
(140.5960) Lasers and laser optics : Semiconductor lasers

ToC Category:
Lasers and Laser Optics

Original Manuscript: March 30, 2011
Revised Manuscript: June 8, 2011
Manuscript Accepted: June 11, 2011
Published: July 11, 2011

Mingjun Chi, Ole Bjarlin Jensen, and Paul Michael Petersen, "High-power dual-wavelength external-cavity diode laser based on tapered amplifier with tunable terahertz frequency difference," Opt. Lett. 36, 2626-2628 (2011)

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