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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Editor: Zhizhan Xu
  • Vol. 11, Iss. 4 — Apr. 1, 2013
  • pp: 041903–

Coherent control of two-photon absorption of Pr3+ ion by shaped ultrashort laser pulses

Wenjing Cheng, Shian Zhang, Tianqing Jia, Jing Ma, Donghai Feng, and Zhenrong Sun  »View Author Affiliations


Chinese Optics Letters, Vol. 11, Issue 4, pp. 041903- (2013)


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Abstract

Enhancing the photoluminescence and depressing the background emission are important problems in rare earth ion-doped materials. In this letter, the two-photon absorption (TPA) probability in a Pr3+ ion system is enhanced by a factor of 12.3 by a π-phase step scanning of ultrashort laser pulses. This level is significantly higher than that achieved by a transform-limit pulse. However, the laser intensity of shaped pulse is reduced to 37% of the initial transform-limited pulse. In this method, the TPA probability can also be reduced to 58%. Furthermore, the effect of the shift of the intermediate energy level and the bandwidth of final states on TPA probability is discussed.

© 2013 Chinese Optics Letters

OCIS Codes
(190.4180) Nonlinear optics : Multiphoton processes
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(190.7220) Nonlinear optics : Upconversion
(320.5540) Ultrafast optics : Pulse shaping

ToC Category:
Nonlinear Optics

Citation
Wenjing Cheng, Shian Zhang, Tianqing Jia, Jing Ma, Donghai Feng, and Zhenrong Sun, "Coherent control of two-photon absorption of Pr3+ ion by shaped ultrashort laser pulses," Chin. Opt. Lett. 11, 041903- (2013)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-11-4-041903

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