Institution:University of Ottawa

Title of Paper:Time-delay signature concealed broadband gain-coupled chaotic laser with fiber random grating induced distributed feedback

Journal:Optics & Laser Technology

Summary:A broadband chaotic laser with a flat power spectrum extending up to ∼7.53 GHz is achieved by injecting continuous wave laser light into a chaotic diode laser perturbed by fiber random grating induced distributed feedback, which forms a gain-coupled chaotic laser system. More than triple bandwidth enhancement is realized with appropriate frequency detuning between the master and slave lasers. Unlike normal chaotic lasers, the output from such a broadband chaotic laser is free from time-delay signature, which can be potentially applied for practical random number generations and will find useful applications in the fields of information security and computation systems.

First Author:Yanping Xu

Correspondence Author:Xiaoyi Bao

All the Authors:Liang Zhang,Ping Lu,Steven Mihailov,Liang Chen

Discipline:Engineering

First-Level Discipline:Optical Engineering

Document Type:J

Volume:109

Translation or Not:No

Date of Publication:2019-01

Included Journals:SCI

Release Time:2020-04-07