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Compact optoelectronic oscillator with ultra-low phase noise performance

Compact optoelectronic oscillator with ultra-low phase noise performance

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A compact optoelectronic oscillator (OEO) is presented which is using constructed using a DFB laser, a semiconductor Mach-Zehnder modulator, and a dielectric resonator based RF filter. The achieved phase noise is –50 dBc/Hz at 10 Hz and –130 dBc/Hz at 10 kHz from a 10 GHz oscillation frequency, a performance comparable to that of an OEO constructed with a diode-pumped YAG laser and an LiNbO3 modulator.

Inspec keywords: oscillators; phase noise; optoelectronic devices; optical noise

Other keywords: optoelectronic oscillator; 10 GHz; DFB laser; RF filter; phase noise; semiconductor Mach-Zehnder modulator; dielectric resonator

Subjects: Optoelectronic materials and devices

References

    1. 1)
      • D. Kajfez , P. Guillon . (1986) Dielectric resonator.
    2. 2)
      • X.S. Yao , L. Maleki . Optoelectronic microwave oscillator. J. Opt. Soc. Am. B , 1725 - 1735
    3. 3)
      • Yao, X.S., Maleki, L.: `Ultra-low phase noise dual-loop optoelectronicmicrowave oscillator', 1998 Optical Fiber Conf. Tech. Dig., February 1998, p. 353–354.
    4. 4)
      • J. Rutman , F.L. Walls . Characterization of frequency stability in precisionfrequency sources. Proc. IEEE , 6 , 952 - 960
http://iet.metastore.ingenta.com/content/journals/10.1049/el_19991027
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