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所属单位：电子信息工程学院

发表刊物：Opt. Lett.

摘要：A microwave channelizer based on a photonic dual-output image-reject mixer (IRM) is proposed and demonstrated. By introducing the dual-output IRM based on the balanced Hartley structure, 2N channels can be produced by using the optical frequency combs (OFCs) with N comb lines. The required electrical hybrids and the optical filters are also reduced by half. In addition, the channelization efficiency is doubled, and the in-band interferences, including the image and the nonlinear mixing spurs, are greatly suppressed. A proof-of-concept experiment is performed. By applying a pair of OFCs with three comb lines, an RF signal with a 6 GHz instantaneous bandwidth is successfully divided into six channels with 1 GHz bandwidth. The in-band interference is suppressed by more than 25 dB for all channels. © 2019 Optical Society of America

ISSN号：0146-9592

是否译文：否

发表时间：2019-08-15

合写作者：Chen, Wenjuan,Xie, Chenxu,Liu, Jiang,潘时龙

通讯作者：朱丹