Abstract
Simultaneous asynchronous mode locking of two wavelengths in a Nd3+-doped fiber laser is reported. The laser operates simultaneously at wavelengths of 1.060 and 1.100 μm, where carrier-type passive mode locking is employed for the shorter wavelength and Kerr-type passive mode locking is used for the longer wavelength. The difference between the two repetition rates may be varied over a range from several megahertz to 500 Hz, limited by the onset of pulse interactions at small difference frequencies.
© 1995 Optical Society of America
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