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.

© 2005 Chinese Optics Letters

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Appl. Phys. Lett. (1)

Y. Lu, J. Zheng, Y. Lu, N. Ming, and Z. Xu, Appl. Phys. Lett. 74, 123 (1999).

Chin. Opt. Lett. (2)

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IEEE J. Quantum Electron. (1)

S. M. Russell, P. E. Powers, M. J. Missey, and K. L. Schepler, IEEE J. Quantum Electron. 37, 877 (2001).

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U. Bader, T. Mattern, T. Bauer, J. Bartschke, M. Rahm, A. Borsutzky, and R. Wallenstein, Opt. Commun. 217, 375 (2003).

Opt. Lett. (5)

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