Continuous wavelength tuning of DBR laser
AssigneeBAE Systems Information and Electronic Systems Integration Inc.
InventorsPatricia Bodan, Marcel Gagnon
Life of this patent
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Abstract
A continuous tunable laser system includes at least one DBR laser. The DBR laser includes a Phase section, a Braggs section, and a gain medium. The DBR laser is capable of generating a continuous-wave laser signal. A Phase current input is electrically connected to the Phase section. A Bragg current input is electrically connected to the Bragg section and synchronized with the Phase current input. A gain control input is electrically connected to the gain medium.
Claims17
A continuous tunable laser system, comprising:
- at least one DBR laser, including a Phase section, a Braggs section, and a gain medium, the DBR laser capable of generating a continuous-wave laser signal;
- a Phase current input electrically connected to the Phase section;
- a Bragg current input electrically connected to the Bragg section and synchronized with the Phase current input;
- a gain control input electrically connected to the gain medium.
A method for making a continuously tunable laser system, the method comprising the steps of:
- generating a continuous-wave laser signal using at least one DBR laser, the DBR laser including a Phase section, a Braggs section, and a gain medium;
- electrically connecting a Phase current input to the Phase section;
- electrically connecting a Bragg current input to the Bragg section;
- synchronizing the Bragg current input with the Phase current input;
- electrically connecting a gain control input to the gain medium.
A system for controlling a DBR laser, the DBR laser including a Phase section, a Braggs section, and a gain medium, the system comprising:
- means for generating a laser signal from the gain medium and through the Phase section and Bragg section;
- means for controlling a carrier density the Phase section;
- means for controlling a laser cavity Bragg Grating resonant wavelength;
- and
- means for synchronizing the means for controlling a carrier density of the Phase section with the means for controlling a laser cavity Bragg Grating resonant wavelength;
- means for receiving the laser signal with an optical distribution network;
- and means for distributing the laser signal to a plurality of Bragg gratings, wherein the optical distribution network is adapted to receive a plurality of response signals from the Bragg gratings.
Dependencies are inferred from the claim text.