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Optical Engineering

Reconfigurable optoelectronic oscillator incorporating a double-coupling recirculating delay line
Author(s): Cheng-Xin Li; Fu-Shen Chen; Jia-Hong Zhang
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Paper 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.

Paper Details

Date Published: 31 July 2014
PDF: 4 pages
Opt. Eng. 53(7) 075110 doi: 10.1117/1.OE.53.7.075110
Published in: Optical Engineering Volume 53, Issue 7
Show Author Affiliations
Cheng-Xin Li, Univ. of Electronic Science and Technology of China (China)
Fu-Shen Chen, Univ. of Electronic Science and Technology of China (China)
Jia-Hong Zhang, Univ. of Electronic Science and Technology of China (China)

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