Photonic-assisted approach for instantaneous microwave frequency measurement with tunable range by using Mach-Zehnder interferometers

• 来源期刊: 中国光学快报（英文版）
• 年，卷（期）: 2013,（2）
• 页码范围: 12-14
• 页数: 3页
• 语种: 英文
• DOI: 10.3788/COL201311.020604

摘要

A novel photonic-assisted approach to microwave frequency measurement is proposed and experimentallydemonstrated.The proposed scheme is based on the frequency-to-power mapping with different transmission responses.A polarizer is used in one output branch of a phase modulator to simultaneously implement phase modulation and intensity modulation.Owing to the complementary nature of the transmission responses and the Mach-Zehnder interferometers (MZIs),this scheme theoretically provides high resolution and tunable measurement range.The measurement errors in the experimental results can be kept within 0.2 GHz over a frequency range from 0.1 to 5.3 GHz.