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Proposal for a High-Speed Optical Dark-Soliton Detector Using a Microring Resonator

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1 Author(s)
N. Q. Ngo ; Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore

This letter presents a theoretical study of a novel application of a simple waveguide-based microring resonator as a high-speed optical dark-soliton detector. The microring resonator is described by a z-transform transfer function that consists of one zero and one pole. When the resonator has a zero equal to unity (or is at resonance) and a pole equal to 0.81, it can convert a dark-soliton signal into a Gaussian-like return-to-zero signal with a power level that is ~20 dB greater than that of the existing interferometer-based scheme. The proposed scheme also has a simpler structure than the integrator-based method

Published in:

IEEE Photonics Technology Letters  (Volume:19 ,  Issue: 7 )