An optical scrambler using a whispering-gallery-mode[WGM]micro-bottle cavity to scramble a complex optical signal to generate an uncorrelated output is proposed.We experimentally demonstrated this micro-cavity scrambl...An optical scrambler using a whispering-gallery-mode[WGM]micro-bottle cavity to scramble a complex optical signal to generate an uncorrelated output is proposed.We experimentally demonstrated this micro-cavity scrambler by using chaotic laser light as the incident signal and studied the influence of the coupling state.Experiments achieved full scrambling with a low cross correlation of 0.028 between the output and the input.Results indicate that the scrambling effect originates from the interference among numerous WGMs in the bottle cavity.It is believed that the micro-bottle cavity with an efficient scrambling function can become a promising candidate for encryption.展开更多
基金supported by the National Key Research and Development Program of China(No.2019YFB1803500)the National Natural Science Foundation of China(NSFC)(Nos.62105233,62035009,and 61731014)+4 种基金the Natural Science Foundation of Shanxi Province(Nos.20210302124536 and 20210302123183)the Major Key Project of PCL(No.PCL2021A14)the Shanxi“1331 Project”Key Innovative Teamthe Program for Guangdong Introducing Innovative and Entrepreneurial Teamsthe International Cooperation of Key R&D Program of Shanxi Province(No.201903D421012)。
文摘An optical scrambler using a whispering-gallery-mode[WGM]micro-bottle cavity to scramble a complex optical signal to generate an uncorrelated output is proposed.We experimentally demonstrated this micro-cavity scrambler by using chaotic laser light as the incident signal and studied the influence of the coupling state.Experiments achieved full scrambling with a low cross correlation of 0.028 between the output and the input.Results indicate that the scrambling effect originates from the interference among numerous WGMs in the bottle cavity.It is believed that the micro-bottle cavity with an efficient scrambling function can become a promising candidate for encryption.
