Patents Examined by Rodney Brovernick
  • Laser package having an impedance matching transformer
    Patent number: 5500867
    Abstract: A circuit housed in a semiconductor laser package for interfacing a semiconductor laser with an external laser drive source. The circuit having a transformer with primary and secondary windings for matching the impedance of the laser drive source and the semiconductor laser. The circuit further includes a tilt circuit for compensating the negative sloping effects of the transformer.
    Type: Grant
    Filed: September 13, 1994
    Date of Patent: March 19, 1996
    Assignee: AT&T Corp.
    Inventor: Stephen B. Krasulick