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physics.optics2026
Two-step high-accuracy microwave frequency measurement and time-frequency analysis based on optical frequency combs
Wentao Ma, Taixia Shi, Chi Jiang +1
Broadband microwave frequency measurement and time-frequency analysis are crucial for applications such as electronic warfare. However, when it comes to ultra wideband signal analy…
physics.optics2026
Broadband microwave time-frequency analysis via stabilized period-one oscillation and recirculating frequency shifting with shared fiber loop
Xianxin Zhang, Chi Jiang, Taixia Shi +1
To address the need for time-frequency analysis (TFA) of broadband microwave signals and to overcome the reliance of existing schemes on large-bandwidth swept microwave sources, we…
physics.optics2026
Dynamic Dispersion Accumulation in Fiber Loops for Realizing Record-High Frequency Resolution or Ultra-Low Signal Sampling Rate in Dispersion-Based Photonics-Assisted Wideband Microwave Measurement Systems
Chi Jiang, Taixia Shi, Hang Yang +4
Dispersion-based photonics-assisted microwave measurement systems provide immense potential for real-time analysis of wideband and dynamic signals. However, they face two critical…