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Frequency doubling of 1549 nm, 3 ns pulse using all-fiber system

Frequency doubling of 1549 nm, 3 ns pulse using all-fiber system

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Periodically poled D-shape standard singlemode fibres were used to generate second harmonics of 1549 nm, 3 ns pulses generated by an all-fibre system, where pump pulses, seeded by an external cavity tunable LD and amplified by a chain of EDFAs, were launched into the poled fibre by a butt-joint. The authors believe that the present nonlinear test of D-shape standard singlemode fibres using the all-fibre system exploits the prospect of fibre devices in a fibre network system.


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      • D. Wong , W. Xu , S. Fleming , M. Janos , K.M. Lo . Frozen-in electrical field in thermally poled fibres. Opt. Fibre Technol. , 235 - 241
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