Coupled Mode Theory and Application

  • Clifford R. Pollock
  • Michal Lipson


Mutual coupling between optical modes is essential in the design of in­tegrated optic devices. In this chapter we will describe how optical energy couples between modes within and between optical waveguides. Up to now, we have treated the waveguide as an ideal optical wire, which conveys light from one point to another in the form of a “mode”. We have implicitly assumed that these modes, once formed, are unchanging except perhaps through atten­uation due to absorption. In reality, simple mechanisms can lead to significant energy exchange among the various modes of a structure. Coupled mode theory describes this energy exchange, and serves as the primary tool for designing optical couplers, switches, and filters.


Fiber Bragg Grating Coupling Coefficient Optical Waveguide Waveguide Structure Couple Mode Theory 
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Copyright information

© Springer Science+Business Media New York 2003

Authors and Affiliations

  • Clifford R. Pollock
    • 1
  • Michal Lipson
    • 1
  1. 1.School of Electrical and Computer EngineeringCornell UniversityIthacaUSA

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