@inproceedings{5685e6c36eb948cc93ab073474724a8e,
title = "All-optical image rejection mixer based on optical hilbert transform using a phase-shifted fiber bragg grating",
abstract = "An all-optical image rejection mixer based on optical Hilbert transform using a phase-shifted fiber Bragg grating (PS-FBG) is proposed. A PS-FBG and a 90° optical phase shifter are employed to introduce a 180° phase shift at the image frequency while maintaining the phase of the desired RF signal. Then the processed optical signal is combined with the original optical signal to achieve image rejection directly in the optical domain. Therefore, the desired RF signal can be down-converted to an intermediate frequency signal with image rejection after the image-free optical signal is combined with a local oscillator signal and detected in a photodetector. The proposed system can reach an image rejection ratio of about 68.5 or 62 dB when the bandwidth of the image signal is 20 or 40 MHz.",
keywords = "Image rejection, Microwave photonics, Mixer, Phase-shifted fiber bragg grating (PS-FBG)",
author = "Yu Chen and Yang Chen",
note = "Publisher Copyright: {\textcopyright} 2019 IEEE.; 2019 IEEE Asia-Pacific Microwave Conference, APMC 2019 ; Conference date: 10-12-2019 Through 13-12-2019",
year = "2019",
month = dec,
doi = "10.1109/APMC46564.2019.9038779",
language = "英语",
series = "Asia-Pacific Microwave Conference Proceedings, APMC",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
pages = "1229--1231",
booktitle = "Proceedings of the 2019 IEEE Asia-Pacific Microwave Conference, APMC 2019",
address = "美国",
}