A tunable optical parametric generator by using a quasi-phase-matched crystal with different wedge angles

Tieli Zhang; Baigang Zhang; Haifeng Li; Feng Ji; Yang Lu; Xin Zhao; Peng Wang; Jianquan Yao

Chinese Optics Letters, 2006, 4 (4): 04234, Published Online: Jun. 6, 2006

A tunable optical parametric generator by using a quasi-phase-matched crystal with different wedge angles Download： 777次

论文大纲

Tieli Zhang ^1,2,3,*Baigang Zhang ^1,2,3Haifeng Li ^1,2,3Feng Ji ^1,2,3Yang Lu ^1,2,3Xin Zhao ^1,2,3Peng Wang ^1,2,3Jianquan Yao ^1,2,3

Author Affiliations

¹ College of Precision Instrument and Opto-Electronics Engineering, Institute of Laser and Opto-Eletronics, Tianjin University, Tianjin 300072

² Cooperated Institute of Nankai University and Tianjin University, Tianjin 300072

³ Key Laboratory of Opto-Electric Information Science and Technology (Ministry of Education), Tianjin University, Tianjin 300072

190.2620 Frequency conversion 190.4410 Nonlinear optics, parametric processes 190.4970 Parametric oscillators and amplifiers

Abstract

We report a tunable quasi-phase-matched optical parametric generator (OPG) with different wedge angles, pumped by a commercially available Q-switched diode-pumped Nd:YVO4 laser with a repetition of 50 kHz. The nonlinear crystal is a periodically poled MgO-doped LiNbO3 (PPMgOLN) with a period of 30 um. A congruent bulk LiNbO3 (LN) with three different wedge angles of 0, 4, and 9 deg. is placed in front of PPMgOLN. Rapid tuning has been achieved by simply moving the LN crystal along its lateral direction and over 60-mW average signal output power was obtained in the whole wavelength tuning range of 1539-1570 nm.

References

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Tieli Zhang, Baigang Zhang, Haifeng Li, Feng Ji, Yang Lu, Xin Zhao, Peng Wang, Jianquan Yao. A tunable optical parametric generator by using a quasi-phase-matched crystal with different wedge angles[J]. Chinese Optics Letters, 2006, 4(4): 04234.

A tunable optical parametric generator by using a quasi-phase-matched crystal with different wedge angles Download： 777次

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