Abstract
We have proposed a bidirectional erbium-doped fiber laser delivering dispersion-managed soliton (DMS)
or dissipative soliton (DS) based on a single-wall carbon nanotube mode-locker. In the proposed scheme, the net cavity
dispersion approaches to zero in the counter-clockwise (CCW) direction while is normal in the clockwise (CW)
direction. By properly adjusting the intracavity attenuators, DMS in the CCW direction and DS in the CW direction can
be obtained, respectively. However, attributing to the cavity asymmetry between CCW and CW directions, simultaneous
generation of DMS and DS is not achieved. Although the output DMS and DS almost have the same central wavelength, they
exhibit distinct optical spectra, pulse durations, and repetition rates. The switchable all-fiber laser delivers two
different types of ultra-short pulses, which significantly facilitates the practical applications.
© 2014 IEEE
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