A Self-Synchronized Optoelectronic Oscillator Based on an RTD Photodetector and a Laser Diode

作者：Romeira Bruno^*; Seunarine Kris; Ironside Charles N; Kelly Anthony E; Figueiredo Jose M L

来源：IEEE Photonics Technology Letters, 2011, 23(16): 1148-1150.

DOI：10.1109/LPT.2011.2154320

• Delay line
• laser diode
• optoelectronic oscillator (OEO)
• photodetector
• resonant tunneling diodes (RTDs)

We propose and demonstrate a simple and stable low-phase noise optoelectronic oscillator (OEO) that uses a laser diode, an optical fiber delay line, and a resonant tunneling diode (RTD) free-running oscillator that is monolithic integrated with a waveguide photodetector. The RTD-OEO exhibits single-side band phase noise power below -100 dBc/Hz with more than 30-dB noise suppression at 10 kHz from the center free-running frequency for fiber loop lengths around 1.2 km. The RTD-OEO can be controlled either by the injected optical power or the fiber delay line and its power consumption is below 0.55 W. The RTD-OEO stability is achieved without using other high-speed optical/optoelectronic components and amplification.

• 出版日期2011-8-15