Mid-IR multiwavelength difference frequency generation based on fiber lasers
Optics Express, Vol. 18, Issue 5, pp. 4740-4747 (2010)
http://dx.doi.org/10.1364/OE.18.004740
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Abstract
A mid-IR multiwavelength difference frequency generation (DFG) laser source with fiber laser fundamental lights is demonstrated by using the dispersion property of PPLN to broaden the quasi-phase-matching (QPM) acceptance bandwidth (BW). Our results show that the QPM BW for the pump YDFL is much larger than that for the signal EDFL. Using a multiwavelength YDFL and a single-wavelength EDFL as the pump and the signal lights, the DFG laser source can simultaneously emit 14 mid-IR wavelengths with the spacing of 14nm at a fixed PPLN temperature. Moreover, mid-IR multiwavelength lasing lines can be synchronously tuned between 3.28 and 3.47μm.
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OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3510) Lasers and laser optics : Lasers, fiber
(190.4360) Nonlinear optics : Nonlinear optics, devices
ToC Category:
Lasers and Laser Optics
History
Original Manuscript: January 8, 2010
Revised Manuscript: February 15, 2010
Manuscript Accepted: February 15, 2010
Published: February 22, 2010
Citation
Jian Jiang, Jianhua Chang, Sujuan Feng, Li Wei, and Qinghe Mao, "Mid-IR multiwavelength difference frequency generation based on fiber lasers," Opt. Express 18, 4740-4747 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-5-4740
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