New features of 977-nm anti-Stokes stimulated four-photon mixing pulses emitted from an Er3+-doped silica fiber

Yi-Min Hua; Qu Li; Yingli Chen; Yi-Xin Chen

doi:10.1117/12.141120

23 March 1993 New features of 977-nm anti-Stokes stimulated four-photon mixing pulses emitted from an Er³⁺-doped silica fiber

Yi-Min Hua, Qu Li, Yingli Chen, Yi-Xin Chen

Author Affiliations +

Proceedings Volume 1789, Fiber Laser Sources and Amplifiers IV; (1993) https://doi.org/10.1117/12.141120
Event: Fibers '92, 1992, Boston, MA, United States

Abstract

Resonance-enhanced anti-stokes of stimulated four photon mixing is demonstrated for the first time in an Er³⁺ doped silica fiber under the excitation of a 1064 nm laser. The enhancement of 977 nm anti-stokes of stimulated four-photon mixing by the excited state ⁴I_11/2 of Er³⁺ has been observed. After the fiber being prepared for efficient SHG, the spectra of stokes and anti-stokes stimulated four-photon mixing were measured again and found to have shifted 2 nm, respectively. We attribute this phenomenon to photo induced refractive-index changes in the fiber: one is caused by the short wavelength light absorptions of GeO, and the other is by the change of intensity-dependent Er³⁺ population in excited states.

Citation Download Citation

Yi-Min Hua, Qu Li, Yingli Chen, and Yi-Xin Chen "New features of 977-nm anti-Stokes stimulated four-photon mixing pulses emitted from an Er³⁺-doped silica fiber", Proc. SPIE 1789, Fiber Laser Sources and Amplifiers IV, (23 March 1993); https://doi.org/10.1117/12.141120

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