Browsing by Author "Chen, T. C."

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Generation of multiple spectral bands in a diode-pumped self-mode-locked Nd:YAP laser
(2016-02)
Huang, Y. J.
;
Tzeng, Y. S.
;
Cho, H. H.
;
Chen, Y. F.
;
Chen, W. D.
A single- and multispectral-band diode end-pumped self-mode-locked Nd:YAP laser is originally demonstrated with an intracavity etalon to properly control the gain-to-loss ratios among the intermanifold lines on the F-4(3/2) -> I-4(11/2) transition level. With a pulse repetition rate of 5.07 (3Hz, the shortest pulse durations under the single-spectral-hand operation are achieved to be 11.1 ps at 1073 nm, 10.9 ps at 1080 nm, and 15.1 ps at 1084 nm, respectively. Moreover, the temporal overlapping of the multispectral-band pulses is experimentally found to lead to the generation of an intensity fringe pattern in the autocorrelation trace with the optical-beat frequency reaching several terahertz. A simple mathematical model is developed to elucidate the formation of a train of optical-beat pulses.