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

Author

Ngo, N.Q.

Author_Institution

Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore

Volume

19

Issue

7

fYear

2007

fDate

4/1/2007 12:00:00 AM

Firstpage

471

Lastpage

473

Abstract

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

Keywords

dark states; micro-optics; microcavities; microsensors; optical resonators; optical sensors; optical solitons; optical transfer function; optical waveguides; Gaussian-like signal; dark-soliton signal; high-speed detector; interferometer-based scheme; microring resonator; optical dark-soliton detector; return-to-zero signal; waveguide-based resonator; z -transform transfer function; High speed optical techniques; Optical detectors; Optical interferometry; Optical resonators; Optical waveguide theory; Optical waveguides; Poles and zeros; Proposals; Resonance; Transfer functions; Dark soliton detector; microring resonator; optical waveguides; signal processing and pulse shaping;

fLanguage

English

Journal_Title

Photonics Technology Letters, IEEE

Publisher

ieee

ISSN

1041-1135

Type

jour

DOI

10.1109/LPT.2007.893035

Filename

4126565