Tunable laser source with integrated optical amplifier

  • US 6,658,035 B1
  • Filed: 07/12/2000
  • Issued: 12/02/2003
  • Est. Priority Date: 09/02/1999
  • Status: Expired due to Term
First Claim
Patent Images

1. A diode laser assembly, comprising:

  • substrate;

    an epitaxal structure formed on the substrate;

    a laser formed in the epitaxial structure, the laser including first and second reflectors, a gain section and a phase section, the gain section and the phase section each being positioned between the first and second reflectors to produce a tunable laser output therefrom; and

    an amplifier formed in the epitaxial structure, at least a portion of the laser and amplifier sharing a common waveguide, the tunable laser output being coupled to the amplifier along the common waveguide, and the amplifier generating an optical signal in response to the coupled tunable laser output, wherein at least a portion of the waveguide is curved to reduce reflection from an output facet.

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