E. Itoga

TL;DR: In this article, the authors demonstrate passive mode locking of solid-state lasers by saturable absorbers based on carbon nanotubes (CNTs), which are fabricated by spin-coating a polymer doped with CNTs onto commercial dielectric laser-mirrors.

TL;DR: An all-polarization-maintaining Er-doped ultrashort-pulse fiber laser using a single-wall carbon nanotube polyimide nanocomposite saturable absorber is presented and it is confirmed that the noise figure is as low as that of a solid-state laser.

TL;DR: This work investigated a dispersion-managed, passively mode-locked, ultrashort-pulse, Er-doped fiber laser using a polyimide film containing dispersed single-wall carbon nanotubes (SWNTs) and examined the dependence on net cavity dispersion and output coupling ratio using normal-dispersion fibers and a variable output coupler.

TL;DR: A high-energy, wavelength-tunable, all-polarization-maintaining Er-doped ultrashort fiber laser was demonstrated using a polyimide film dispersed with single-wall carbon nanotubes, and high-power operation was demonstrated.

TL;DR: A 10 Gbit/s RZ-OOK data stream is utilized as a pump for degenerate four-wave mixing in a low-loss hydrogenated amorphous silicon waveguide to exploit ultra-fast carrier decay for pattern-effect-free all-optical signal processing based on optical Kerr nonlinearity.