Optical frequency comb generation by utilizing the three-branch waveguide interferometer-based single-sideband modulator with recirculating frequency shifting loop

Abstract. The property of a three-branch waveguide interferometer (TBWI) used to achieve the desired single-side-band (SSB) frequency shift has been theoretically analyzed in detail. Optical frequency comb generation (OFCG) based on TBWI with a recirculating loop has been also proposed and analyzed. The simulation has been implemented to show the properties of TSSBM and TSSBM-based OFCG (TOFCG). Simulation results show that the TOFCG has the ability to generate high-quality multiple optical frequency combs by applying optimized parameters.

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