Abstract

Optoelectronic oscillators (OEOs) are promising sources of low phase noise radio frequency (RF) signals. However, at X-band frequencies, the long optical fiber delay line required for a high oscillator Q also leads to spurious modes (spurs) spaced too narrowly to be filtered by RF filters. The dual injection-locked OEO (DIL-OEO) has been proposed as a solution to this problem. In this work, we describe in detail the construction of a DIL-OEO. We also present experimental data from our systematic study of injection-locking in DIL-OEOs. With this data, we optimize the DIL-OEO, achieving both low phase noise and low spurs. Finally, we present data demonstrating a 60 dB suppression of the nearest-neighbor spur without increasing the phase noise within 1 kHz of the 10 GHz central oscillating mode.

© 2011 Optical Society of America

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  1. X. S. Yao and L. Maleki, “Optoelectronic microwave oscillator,” J. Opt. Soc. Am. B 13, 1725–1735 (1996).
    [CrossRef]
  2. X. S. Yao and L. Maleki, “Optoelectronic oscillator for photonic systems,” IEEE J. Quantum Electron. 32, 1141–1149 (1996).
    [CrossRef]
  3. D. A. Howe and A. Hati, “Low-noise X-band oscillator and amplifier technologies: Comparison and status,” in “Proceedings of the Joint IEEE International Frequency Control Symposium and Precise Time and Time Interval (PTTI) Systems and Applications Meeting,” (Vancouver, Canada, 2005), pp. 481–487.
  4. D. Green, C. McNeilage, and J. H. Searls, “A low phase noise microwave sapphire loop oscillator,” in “Proceedings of the IEEE International Frequency Control Symposium,” (Miami, FL, 2006), pp. 852–860.
  5. X. S. Yao and L. Maleki, “Ultra-low phase noise dual-loop optoelectronic oscillator,” in “Technical Digest of the Optical Fiber Communication Conference and Exhibit (OFC ’98),” (San Jose, CA, 1998), pp. 353–354.
  6. X. S. Yao, L. Davis, and L. Maleki, “Coupled optoelectronic oscillators for generating both RF signal and optical pulses,” J. Lightwave Technol. 18, 73–78 (2000).
    [CrossRef]
  7. W. Zhou and G. Blasche, “Injection-locked dual opto-electronic oscillator with ultra-low phase noise and ultralow spurious level,” IEEE Trans. Microwave Theory Tech. 53, 929–933 (2005).
  8. O. Okusaga, W. Zhou, E. C. Levy, M. Horowitz, G. M. Carter, and C. R. Menyuk, “Experimental and simulation study of dual injection-locked OEOs,” in “Proceedings of Joint Meeting of the European Frequency and Time Forum and the IEEE International Frequency Control Symposium,” (Besancon, France, 2009), pp. 875–879.
  9. C. R. Menyuk, E. C. Levy, O. Okusaga, M. Horowitz, G. M. Carter, and W. Zhou, “An analytical model of the dual-injection-locked opto-electronic oscillator (DIL-OEO),” in “Proceedings of Joint Meeting of the European Frequency and Time Forum and the IEEE International Frequency Control Symposium,” (Besancon, France, 2009), pp. 870–874.
  10. E. C. Levy, M. Horowitz, and C. R. Menyuk, “Modeling optoelectronic oscillators,” J. Opt. Soc. Am. B 26, 148–159 (2009).
    [CrossRef]
  11. E. C. Levy, O. Okusaga, M. Horowitz, C. R. Menyuk, W. Zhou, and G. M. Carter, “Comprehensive computational model of single- and dual-loop optoelectronic oscillators with experimental verification,” Opt. Express 18, 21461–21476 (2010).
    [CrossRef]
  12. E. Rubiola, Phase Noise and Frequency Stability in Oscillators, The Cambridge RF and Microwave Engineering Series (Cambridge University Press, Cambridge, England, 2008).
  13. E. Rubiola, E. Salik, S. Huang, N. Yu, and L. Maleki, “Photonic-delay technique for phase-noise measurement of microwave oscillators,” J. Opt. Soc. Am. B 22, 987–997 (2005).
    [CrossRef]
  14. E. C. Levy, O. Okusaga, M. Horowitz, C. R. Menyuk, W. Zhou, and G. M. Carter, “Study of dual-loop optoelectronic oscillators,” in “Proceedings of Joint Meeting of the European Frequency and Time Forum and the IEEE International Frequency Control Symposium,” (Besancon, France, 2009), pp. 505–507.

2010

2009

2005

E. Rubiola, E. Salik, S. Huang, N. Yu, and L. Maleki, “Photonic-delay technique for phase-noise measurement of microwave oscillators,” J. Opt. Soc. Am. B 22, 987–997 (2005).
[CrossRef]

W. Zhou and G. Blasche, “Injection-locked dual opto-electronic oscillator with ultra-low phase noise and ultralow spurious level,” IEEE Trans. Microwave Theory Tech. 53, 929–933 (2005).

2000

1996

X. S. Yao and L. Maleki, “Optoelectronic oscillator for photonic systems,” IEEE J. Quantum Electron. 32, 1141–1149 (1996).
[CrossRef]

X. S. Yao and L. Maleki, “Optoelectronic microwave oscillator,” J. Opt. Soc. Am. B 13, 1725–1735 (1996).
[CrossRef]

Blasche, G.

W. Zhou and G. Blasche, “Injection-locked dual opto-electronic oscillator with ultra-low phase noise and ultralow spurious level,” IEEE Trans. Microwave Theory Tech. 53, 929–933 (2005).

Carter, G. M.

Davis, L.

Horowitz, M.

Huang, S.

Levy, E. C.

Maleki, L.

Menyuk, C. R.

Okusaga, O.

Rubiola, E.

Salik, E.

Yao, X. S.

Yu, N.

Zhou, W.

E. C. Levy, O. Okusaga, M. Horowitz, C. R. Menyuk, W. Zhou, and G. M. Carter, “Comprehensive computational model of single- and dual-loop optoelectronic oscillators with experimental verification,” Opt. Express 18, 21461–21476 (2010).
[CrossRef]

W. Zhou and G. Blasche, “Injection-locked dual opto-electronic oscillator with ultra-low phase noise and ultralow spurious level,” IEEE Trans. Microwave Theory Tech. 53, 929–933 (2005).

IEEE J. Quantum Electron.

X. S. Yao and L. Maleki, “Optoelectronic oscillator for photonic systems,” IEEE J. Quantum Electron. 32, 1141–1149 (1996).
[CrossRef]

IEEE Trans. Microwave Theory Tech.

W. Zhou and G. Blasche, “Injection-locked dual opto-electronic oscillator with ultra-low phase noise and ultralow spurious level,” IEEE Trans. Microwave Theory Tech. 53, 929–933 (2005).

J. Lightwave Technol.

J. Opt. Soc. Am. B

Opt. Express

Other

O. Okusaga, W. Zhou, E. C. Levy, M. Horowitz, G. M. Carter, and C. R. Menyuk, “Experimental and simulation study of dual injection-locked OEOs,” in “Proceedings of Joint Meeting of the European Frequency and Time Forum and the IEEE International Frequency Control Symposium,” (Besancon, France, 2009), pp. 875–879.

C. R. Menyuk, E. C. Levy, O. Okusaga, M. Horowitz, G. M. Carter, and W. Zhou, “An analytical model of the dual-injection-locked opto-electronic oscillator (DIL-OEO),” in “Proceedings of Joint Meeting of the European Frequency and Time Forum and the IEEE International Frequency Control Symposium,” (Besancon, France, 2009), pp. 870–874.

E. Rubiola, Phase Noise and Frequency Stability in Oscillators, The Cambridge RF and Microwave Engineering Series (Cambridge University Press, Cambridge, England, 2008).

E. C. Levy, O. Okusaga, M. Horowitz, C. R. Menyuk, W. Zhou, and G. M. Carter, “Study of dual-loop optoelectronic oscillators,” in “Proceedings of Joint Meeting of the European Frequency and Time Forum and the IEEE International Frequency Control Symposium,” (Besancon, France, 2009), pp. 505–507.

D. A. Howe and A. Hati, “Low-noise X-band oscillator and amplifier technologies: Comparison and status,” in “Proceedings of the Joint IEEE International Frequency Control Symposium and Precise Time and Time Interval (PTTI) Systems and Applications Meeting,” (Vancouver, Canada, 2005), pp. 481–487.

D. Green, C. McNeilage, and J. H. Searls, “A low phase noise microwave sapphire loop oscillator,” in “Proceedings of the IEEE International Frequency Control Symposium,” (Miami, FL, 2006), pp. 852–860.

X. S. Yao and L. Maleki, “Ultra-low phase noise dual-loop optoelectronic oscillator,” in “Technical Digest of the Optical Fiber Communication Conference and Exhibit (OFC ’98),” (San Jose, CA, 1998), pp. 353–354.

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