Tunable distributed Bragg reflector laser for wavelength dithering

A tunable distributed Bragg reflector laser for suppressing stimulated Brillouin scattering caused from its lasing output, the laser comprising:

• a distributed Bragg reflector laser device including a semiconductor composition for generating the lasing output;
• a dither source for providing a continuous dither signal;
• and
• a tuner, responsive to the dither signal, for continuously tuning the lasing output of the semiconductor composition to reduce stimulated Brillouin scattering of the lasing output therefrom.

A tunable distributed Bragg reflector laser for suppressing stimulated Brillouin scattering caused from its lasing output, the laser comprising:

• a distributed Bragg reflector device including a semiconductor composition for generating the lasing output;
• a dither source for providing a continuous dither signal;
• and
• a tuner, responsive to the dither signal, for continuously tuning the lasing output of the semiconductor composition to reduce stimulated Brillouin scattering of the lasing output therefrom, wherein the tuner responds to the dither signal to continuously bias a passive waveguide of the semiconductor composition to control the tuning of the semiconductor composition.

A tunable distributed Bragg reflector laser for suppressing stimulated Brillouin scattering caused from its lasing output, the laser comprising:

• a distributed Bragg reflector device including a semiconductor composition for generating the lasing output;
• a dither source for providing a continuous dither signal;
• and
• a tuner, responsive to the dither signal, for continuously tuning the lasing output of the semiconductor composition to reduce stimulated Brillouin scattering of the lasing output therefrom, wherein the tuner responds to the dither signal to continuously inject a biasing current into a passive waveguide of the semiconductor composition to continuously bias the passive waveguide.

A method for suppressing stimulated Brillouin scattering caused by an output of a laser, the method comprising the steps of:

• receiving a dither signal;
• and
• continuously tuning the laser in response to the dither signal to reduce stimulated Brillouin scattering therefrom, including the steps of:
• continuously biasing a passive waveguide of the laser in response to the dither signal;
• and
• controlling the tuning of the laser by the continuous bias.