| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Mid-IR Dual-Wavelength Difference Frequency Generation Using Fiber Lasers as Pump and Signal Light Sources |
| JIANG Jian, CHANG Jian-Hua, FENG Su-Juan, MAO Qing-He, LIU Wen-Qing |
| Anhui Provincial Key Lab of Photonics Devices and Materials, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031 |
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| Cite this article: |
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JIANG Jian, CHANG Jian-Hua, FENG Su-Juan et al 2009 Chin. Phys. Lett. 26 124214 |
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Abstract A continuous-wave mid-IR difference frequency laser source, which respectively uses an ytterbium-doped fiber laser as the pump source and a multiwavelength erbium-doped fiber laser cascaded with an erbium-doped fiber amplifier as the signal source, is demonstrated. Our experimental results show that two stable mid-IR radiation lines with a spacing of about 5.4nm may be simultaneously emitted by a suitable setting the pump and signal polarization orientations. The number of the mid-IR radiation lines is limited by the quasi-phase-matching acceptance bandwidth. By changing the PPMgLN temperature the two mid-IR radiation lines may be synchronously tuned in the mid-IR range between 3295 and 3356.3nm.
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| Keywords:
42.55.Wd
42.60.-v
42.65.Ky
42.72.Ai
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Received: 28 July 2009
Published: 27 November 2009
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| PACS: |
42.55.Wd
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(Fiber lasers)
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42.60.-v
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(Laser optical systems: design and operation)
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42.65.Ky
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(Frequency conversion; harmonic generation, including higher-order harmonic generation)
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42.72.Ai
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(Infrared sources)
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