31 July 2014 Reconfigurable optoelectronic oscillator incorporating a double-coupling recirculating delay line
Author Affiliations +
Optical Engineering, 53(7), 075110 (2014). doi:10.1117/1.OE.53.7.075110
Abstract
A reconfigurable optoelectronic oscillator (OEO) based on a double-coupling recirculating delay line (DC-RDL) is analyzed and experimentally demonstrated. In the proposed OEO, an incoherent two-tap microwave photonic filter is formed by an amplified spontaneous emission (ASE) source, a Mach–Zehnder modulator, a DC-RDL, and a polarization beam splitter (PBS) to realize selection of the oscillation mode. Specifically, the incoherence is implemented using an ASE broadband laser source and a DC-RDL, and the high sidemode suppression performance can be achieved by employing the dual-loops system between the dual output of the DC-RDL and the PBS. A detailed theoretical analysis is provided and is verified by the experiment. The single-sideband phase noise, the frequency tunability, and the long-term stability of the generated microwave signal are investigated. In addition, the frequency independent of the phase noise is also experimentally observed.
© 2014 Society of Photo-Optical Instrumentation Engineers (SPIE)
Cheng-Xin Li, Fu-Shen Chen, Jia-Hong Zhang, "Reconfigurable optoelectronic oscillator incorporating a double-coupling recirculating delay line," Optical Engineering 53(7), 075110 (31 July 2014). http://dx.doi.org/10.1117/1.OE.53.7.075110
JOURNAL ARTICLE
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KEYWORDS
Microwave radiation

Optoelectronics

Oscillators

Signal generators

Interference (communication)

Single sideband modulation

Modulation

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