Resonator based optoelectronic oscillators, their stabilization and noise performances

Invited Seminar at the department of Optoelectronic Engineering, Jinan University, South China University of Technology, in Guangzhou, China.Optoelectronic oscillators based on intensity modulation and high quality factor disk resonators are experimentally discribed and discussed in this talk. These photonics systems are dedicated to the generation of ultrastable microwave signals with low phase noise performance. Crystalline whispering-gallery-mode resonators are both frequency filters for selecting microwave oscillating frequency and optical storage elements. Realized systems are relatively compact and can be temperature controlled. Laser is locked on the resonance by Pound Drever Hall technique or by alternative crystal–based acousto-optic cells. An instrument developed at the laboratory uses a double delay line optoelectronic system operating at 1.55 μm wavelength and is designed for OEO phase noise characterization. Phase noise is then determined and the global uncertainty of this system is calculated