Abstract
We synchronize two passively Modelocked Er:doped fiber lasers (EDFL) of pulse width 4.5 ps by using a novel acousto-optic modulator (AOM) and grating scheme. By measuring the cross-correlation of the two lasers, the inter-laser jitter is extracted to be 1.3 times the pulse width. The temporal locking of lasers is important for telecommunication networks, measurement systems, and spectroscopy. Synchronization of passively mode-locked lasers, an important source of ultrashort pulses, requires locking of the repetition rate and the phase by tuning the cavity length. Although piezo-electric transducers (PZT) have been used to adjust the cavity length,1,2 their mechanical nature limits both the speed and dynamic range. Our AOM-grating scheme gives an effective tuning range of 375 μm (30 times that of PZTs) and bandwidth of 10 kHz (10 times that of PZTs).
© 1996 Optical Society of America
PDF ArticleMore Like This
X. D. Cao, M. Jiang, Y. Liang, K. H. Ahn, T. J. Xia, J. W. Lou, and M. N. Islam
CPD13 Conference on Lasers and Electro-Optics (CLEO:S&I) 1996
M. Margalit, M. Orenstein, and G. Eisenstein
CFI2 Conference on Lasers and Electro-Optics (CLEO:S&I) 1996
M. Hofer, G. Sucha, M. E. Fermanm, F. Haberl, and D. Harter
CFI3 Conference on Lasers and Electro-Optics (CLEO:S&I) 1996