Patents Examined by James Dave
  • Wavelength-tunable lasers
    Patent number: 6693946
    Abstract: A semiconductor laser includes first and second laser cavities. The first and second cavities share a common optical gain medium and lase at different wavelengths.
    Type: Grant
    Filed: August 14, 2001
    Date of Patent: February 17, 2004
    Assignee: Lucent Technologies Inc.
    Inventors: William Larry Wilson, Jin Z. Zhang