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Low threshold singly resonant optical parametric oscillator in bulk periodically poled lithium niobate

By V. Pruneri, J. Webjörn, C. Bollig, P.St.J. Russell and D.C. Hanna


The development of periodically poled lithium niobate (PPLN) for quasi-phase-matched second order nonlinear applications has attracted much interest over the last few years. Compared to birefringence phase-matching, quasi-phase-matching (QPM) allows access to new wavelengths and to higher nonlinear coefficients. The periodic domain inversion in lithium niobate can be achieved using high voltage pulses. Recently the first optical parametric oscillator (OPO) was demonstrated in bulk PPLN, pumped by a Q-switched Nd:YAG laser at 1.064µm. When the aim is the parametric generation of tunable radiation at shorter wavelengths (around 1µm) in PPLN, it is necessary to achieve shorter periods (6-7µm) and it becomes more difficult to maintain the regularity of the domain reversal pattern because the growth of the inverted domains is less controllable

Topics: QC, TK
Year: 1995
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Provided by: e-Prints Soton
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