Silicon thermo-optic phase shifters: a review of configurations and optimization strategies

HIGHLIGHTS

• What: The authors compare TOPSs with other electro-optic mechanisms and technologies poised to revolutionize phase shifter development on the SiPh platform. In this review, the authors explore the configuration and optimization strategies that have been proposed for TOPSs in SiPh. Initially, the authors examine the use of metallic heaters to decrease power consumption by reducing the thermal conductance of the surrounding waveguide environment. Subsequently, the authors explore the application of transparent heaters, which aim to diminish the gap between the heater and the waveguide, i.e., the area A traversed by the heat flow , without penalizing . . .
  

   

  

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