This paper reviews the state of research in resonantly enhanced nonlinearities in fibers
doped with an absorber, of interest for low-power all-optical switching. A mathematical …

A theoretical analysis of the pump-induced temperature change and associated thermal
phase shift occurring in a pumped doped fiber is presented. Although the primary devices …

We propose a new optical bistable device (OBD), which is constructed by connecting two
symmetrical fiber Bragg gratings with a ytterbium-doped fiber to form a nonlinear Fabry …

Experimental measurements are described characterizing the nonlinear index change over
the range from 500 to 1550 nm induced in an ytterbium (Yb/sup 3+/)-doped twin-core fiber …

All-fiber lasers offer increased robustness and simplicity over other fiber laser systems.
Current active Q-switching techniques for all-fiber lasers rely on electro-mechanical …

For years, solid-state lasers have replaced traditional systems in numerous laser
applications. Now, fiber lasers bring the ultimate in solid-state reliability and operating …

A coherent array of fiber lasers in a self-Fourier cavity is described and analyzed. With
individual regenerative feedback added to each fiber laser, the integrated gain in each …

We report a new theoretical interpretation of the strong resonantly-enhanced third-order
nonlinearity observed in fibers doped with Nd/sup 3+/, Er/sup 3+/, or Yb/sup 3+/. For each …

A ytterbium-doped, glass, channel waveguide laser, fabricated by ion exchange, is reported.
The 2.2-cm long device, using broad-band 4% output couplers, lased in the vicinity from …

A 980-nm pump-induced nonlinear refractive-index (n_2) change in erbium-doped (20-m)
and ytterbium-doped (20-m) fibers has been measured at 1064? nm by time-delayed …