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Parallel optical switching apparatus

  • US 5,386,310 A
  • Filed: 12/03/1992
  • Issued: 01/31/1995
  • Est. Priority Date: 12/06/1991
  • Status: Expired due to Fees
First Claim
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1. A parallel optical switching apparatus wherein in a system where at least one m-channel light emission element array and one n-channel light receiving element array are optically connected via an m×

  • n optical conversion element array, the optical conversion element array has an optical amplification function and a modulation function by inductive discharge of input light for each element of the optical conversion element array and performs optical arithmetic or optical conversion in parallel for input light from the light emission element array by the amplification and modulation function, wherein said optical conversion element array has a substrate and a reflection mirror on the substrate, and the light emission element array and light receiving element array are interconnected into an optical free space coupling system on one side of the optical conversion element array, and a layer with an optical amplification function or an active layer with an MQW structure and light input and output wave guides are mounted on one side or both sides of the substrate in parallel with a surface of the substrate.

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