Optical Phase Shifting Fourier Transform Scanning for Bandwidth-Efficient Blind RF Spectrum Sensing
- Resource Type
- Conference
- Authors
- Mididoddi, Chaitanya K.; Feng, Dejun; Wang, Chao
- Source
- 2018 European Conference on Optical Communication (ECOC) Optical Communication (ECOC), 2018 European Conference on. :1-3 Sep, 2018
- Subject
- Communication, Networking and Broadcast Technologies
Components, Circuits, Devices and Systems
Fields, Waves and Electromagnetics
Photonics and Electrooptics
Signal Processing and Analysis
Optical pulses
Optical fibers
Optical interferometry
Radio frequency
Optical mixing
RF signals
- Language
Avoiding high-speed electronics, optical time-stretch Fourier transform scanning for RF spectrum sensing is presented. Broadband RF frequency scanning is achieved by using a phase shifting Mach-Zehnder interferometer. GHz RF signals have been detected with only 50 MS/s sampling rate.