Highly linear W-band receiver front-end based on higher-order optical sideband processing

• 来源期刊: 中国光学快报（英文版）
• 年，卷（期）: 2017,（5）
• 页码范围: 26-29
• 页数: 4页
• 语种: 英文
• DOI: 10.3788/COL201715.050603

摘要

A highly linear W-band receiver front-end based on higher-order optical sideband (OSB) processing is proposed and experimentally demonstrated.Two-tone analysis shows that by manipulating higher-order OSBs,the thirdorder intermodulation distortion (IMD3) introduced by optoelectronic components (mainly modulators) in the receiver front-end can be further suppressed,and a 9 dB improvement of the ratio of the fundamental and IMD3 can be attained.In the experiment,the spurious-free dynamic range of the W-band receiver front-end is up to 122.1 dB · Hz2/3,with improvement by 9 dB compared with that of only processing the five OSBs.