Optical communication with vertical-cavity surface-emitting laser operating in multiple transverse modes

CAFC
  • US 5,359,447 A
  • Filed: 06/25/1993
  • Issued: 10/25/1994
  • Est. Priority Date: 06/25/1993
  • Status: Expired due to Term
First Claim
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1. An optical communication network comprising:

  • a vertical-cavity, surface-emitting semiconductor laser structure having an aperture larger than eight micrometers through which an optical signal may be emitted;

    a power supply that provides a bias current to drive the laser into a multiple transverse mode of Operation in which the laser is responsive to a signal carrying data to provide an optical signal modulated with the data and to emit the optical signal through the aperture; and

    a multimode Optical medium optically coupled to the laser to carry the optical signal from the laser to a remotely-located receiver.

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