6 February 2009 2.49 GHz low phase-noise optoelectronic oscillator using 1.55μm VCSEL for avionics and aerospace applications
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Abstract
We present here a 1.55 μm single mode Vertical-Cavity Surface-Emitting Laser (VCSEL) based low phasenoise ring optoelectronic (OEO) oscillator operating at 2.49 GHz for aerospace, avionics and embedded systems applications. Experiments using optical fibers of different lengths have been carried out to obtain optimal results. A phase-noise measurement of -107 dBc/Hz at an offset of 10 kHz from the carrier is obtained. A 3-dB linewidth of 16 Hz for this oscillator signal has been measured. An analysis of lateral mode spacing or Free Spectral Range (FSR) as a function of fiber length has been carried out. A parametric comparison with DFB Laser-based and multimode VCSEL-based opto-electronic oscillators is also presented.
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Ahmad Hayat, Ahmad Hayat, Alexandre Bacou, Alexandre Bacou, Angelique Rissons, Angelique Rissons, Jean-Claude Mollier, Jean-Claude Mollier, } "2.49 GHz low phase-noise optoelectronic oscillator using 1.55μm VCSEL for avionics and aerospace applications", Proc. SPIE 7229, Vertical-Cavity Surface-Emitting Lasers XIII, 72290O (6 February 2009); doi: 10.1117/12.808238; https://doi.org/10.1117/12.808238
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