Waveguide Tm:YAP Laser with a Pulse Repetition Rate of 8 GHz.

A compact waveguide Tm:YAP laser with a pulse repetition rate of 8 GHz is developed. A controllable change in the intracavity loss provides continuous tuning of the central emission wavelength of the laser operating in the Q-switched mode-locking in the range from 1925 to 1950 nm, as well as makes it possible dual-wavelength lasing. The main approach of this study is the use of waveguide structures inside the Tm:YAP crystal and the saturable absorber based on graphene. This approach is universal for producing compact lasers with the gigahertz pulse repetition rate, operating in a wide spectral range. [ABSTRACT FROM AUTHOR]