1. Integrated optics technologies and applications
Several generations of photonic circuit integration technologies (Planar Lightwave Circuit, PLC, or Photonic Integrated Circuit, PIC) have succeeded one another since the early 1980s, using platforms (substrates) made of glass, silicon or other materials such as indium phosphide (InP).
1.1 Integration level
Depending on the materials used and the dimensions of the optical guide core, the level of integration of optical circuits varies from a few units to several hundred components per square centimeter. Depending on the materials and technologies used, functions can be limited to passive functions, or active functions can be added. Passive optical functions include components such as guides, couplers, dividers, multiplexers and spectral filters. Active optical...
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Integrated optics technologies and applications
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