• Chinese Optics Letters
  • Vol. 15, Issue 1, 010009 (2017)
T. Sun1, Li. Zhang2, A. K. Poddar2, U. L. Rohde2, and A. S. Daryoush1,*
Author Affiliations
  • 1Department of ECE, Drexel University, Philadelphia, PA 19104 USA
  • 2Synergy Microwave Corp., Paterson, NJ 07504 USA
  • show less
    DOI: 10.3788/COL201715.010009 Cite this Article Set citation alerts
    T. Sun, Li. Zhang, A. K. Poddar, U. L. Rohde, A. S. Daryoush, "Frequency synthesis of forced opto-electronic oscillators at the X-band," Chin. Opt. Lett. 15, 010009 (2017) Copy Citation Text show less
    Block diagram of a fixed frequency OEO using a narrowband metallic cavity filter and its forced oscillation using SIL and SPLL.
    Fig. 1. Block diagram of a fixed frequency OEO using a narrowband metallic cavity filter and its forced oscillation using SIL and SPLL.
    Comparison of measured phase noise of the free-running OEO at 10 GHz using fiber delay lengths of L=100, 500, and 1000 m.
    Fig. 2. Comparison of measured phase noise of the free-running OEO at 10 GHz using fiber delay lengths of L=100, 500, and 1000 m.
    Coarse tuned YIG filter using a DC bias current.
    Fig. 3. Coarse tuned YIG filter using a DC bias current.
    First-order optical transversal filter using a 3 dB optical coupler, balanced photodetectors, and an in-phase electrical combiner.
    Fig. 4. First-order optical transversal filter using a 3 dB optical coupler, balanced photodetectors, and an in-phase electrical combiner.
    Fine-tuned transversal filter using the fiber laser wavelength.
    Fig. 5. Fine-tuned transversal filter using the fiber laser wavelength.
    Frequency synthesis using current tuning of the YIG filter.
    Fig. 6. Frequency synthesis using current tuning of the YIG filter.
    Frequency Synthesis using wavelength tuning of the fiber laser.
    Fig. 7. Frequency Synthesis using wavelength tuning of the fiber laser.
    Block diagram of the SILDPLL frequency synthesized OEO at the X-band.
    Fig. 8. Block diagram of the SILDPLL frequency synthesized OEO at the X-band.
    Single SIL with a 7 km fiber for 9 to 11 GHz.
    Fig. 9. Single SIL with a 7 km fiber for 9 to 11 GHz.
    DSIL for 9 to 11 GHz.
    Fig. 10. DSIL for 9 to 11 GHz.
    SIL dual phase locking OEO-based synthesizer phase noise performance for a 9 to 11 GHz output.
    Fig. 11. SIL dual phase locking OEO-based synthesizer phase noise performance for a 9 to 11 GHz output.
    DSIL dual phase locking OEO-based synthesizer phase noise performance for a 9 to 11 GHz output.
    Fig. 12. DSIL dual phase locking OEO-based synthesizer phase noise performance for a 9 to 11 GHz output.
    Long term frequency stability (30 and 60 min) of an SIL OEO-based synthesizer.
    Fig. 13. Long term frequency stability (30 and 60 min) of an SIL OEO-based synthesizer.
    Dual self-injection phase-locking-based synthesizer stability testing for over 30 and 60 min.
    Fig. 14. Dual self-injection phase-locking-based synthesizer stability testing for over 30 and 60 min.
    T. Sun, Li. Zhang, A. K. Poddar, U. L. Rohde, A. S. Daryoush, "Frequency synthesis of forced opto-electronic oscillators at the X-band," Chin. Opt. Lett. 15, 010009 (2017)
    Download Citation