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Monolithic integrated optical time delay network for antenna beam steering

  • US 5,222,162 A
  • Filed: 11/27/1991
  • Issued: 06/22/1993
  • Est. Priority Date: 11/27/1991
  • Status: Expired due to Term
First Claim
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1. A monolithically integrated time delay network, comprising:

  • a semiconductor substrate,an optical waveguide time delay network comprising a plurality of cascaded optical time delay stages on said substrate,switch means for adjusting the time delay of said optical waveguide time delay network,an input optical means for directing an input optical beam into said network,means for modulating said optical beam in accordance with a modulating signal, anda photodetector for detecting the delayed optical output from said waveguide delay network and transducing said output to an output electrical signal,said optical waveguide time delay network, switch means, optical means, modulating means and photodetector being monolithically integrated on said substrate.

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