Carbon nanotubes (CNTs) possess remarkable nonlinear optical properties; a particular
application is to function as a mode locker used in ultrafast fiber lasers to produce ultrashort …

Single-cavity, dual-comb lasers are those specially designed mode-locked lasers that can
emit more than one, asynchronous ultrashort pulse trains with stable repetition frequency …

The bidirectional mode-locked oscillator is an emerging light source architecture suitable for
dual-comb applications. Therein, bidirectional mode-locked fiber lasers (MLFLs) are …

We numerically study a hybrid mode-locked holmium-doped fiber laser based on the
coupled nonlinear Schrödinger equations, by introducing nonlinear polarization rotation and …

Bidirectional ultrafast fiber lasers present an attractive solution, enabling the generation of
two mutually coherent ultrashort pulse trains in a simple and turnkey system. Still, the lack of …

The optical Sagnac effect sets fundamentals of the operating principle for ring laser and fiber
optic gyroscopes, which are preferred instruments for inertial guidance systems, seismology …

Bidirectional wavelength-tunable mode-locked fiber lasers have demands for many
applications. In our experiment, two frequency combs from a single bidirectional carbon …

Gyroscopes merit an undeniable role in inertial navigation systems, geodesy and
seismology. By employing the optical Sagnac effect, ring laser gyroscopes provide …

We proposed a bidirectional high-repetition-rate (HRR) ultrafast fiber ring laser based on the
dissipative four-wave-mixing (DFWM) mode-locked technique. By employing a segment of …

We demonstrate a bidirectional mode-locked erbium-doped fiber laser by incorporating gold
nanofilm as a saturable absorber (SA). The gold nanofilm SA has the advantages of high …