Abstract

A microwave bandpass differentiator implemented based on a finite impulse response (FIR) photonic microwave delay-line filter with nonuniformly-spaced taps is proposed and experimentally demonstrated. To implement a microwave bandpass differentiator, the coefficients of the photonic microwave delay-line filter should have both positive and negative coefficients. In the proposed approach, the negative coefficients are equivalently achieved by introducing an additional time delay to each of the taps, leading to a π phase shift to the tap. Compared with a uniformly-spaced photonic microwave delay-line filter with true negative coefficients, the proposed differentiator features a greatly simplified implementation. A microwave bandpass differentiator based on a six-tap nonuniformly-spaced photonic microwave delay-line filter is designed, simulated, and experimentally demonstrated. The reconfigurability of the microwave bandpass differentiator is experimentally investigated. The employment of the differentiator to perform differentiation of a bandpass microwave signal is also experimentally demonstrated.

© 2011 IEEE

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  1. J. Capmany, B. Ortega, D. Pastor, S. Sales, "Discrete-time optical processing of microwave signals," J. Lightw. Technol. 23, 702-723 (2005).
  2. F. Coppinger, S. Yegnanarayanan, P. D. Trinh, B. Jalali, "All-optical RF filter using amplitude inversion in a semiconductor optical amplifier," IEEE Trans. Microw. Theory Tech. 45, 1473-1477 (1997).
  3. Y. Yan, F. Zeng, Q. Wang, J. P. Yao, "Photonic microwave filter with negative coefficients based on cross polarization modulation in a semiconductor optical amplifier," Proc. OFC 2007 Paper OWU6.
  4. J. Capmany, D. Pastor, A. Martinez, B. Ortega, S. Sales, "Microwave photonic filters with negative coefficients based on phase inversion in an electro-optic modulator," Opt. Lett. 28, 1415-1417 (2003).
  5. F. Zeng, J. Wang, J. P. Yao, "All-optical microwave bandpass filter with negative coefficients based on a phase modulator and linearly chirped fiber Bragg gratings," Opt. Lett. 30, 2203-2205 (2005).
  6. A. Loayssa, J. Capmany, M. Sagues, J. Mora, "Demonstration of incoherent microwave photonic filters with all-optical complex coefficients," IEEE Photon. Technol. Lett. 18, 1744-1746 (2006).
  7. Y. Yan, J. P. Yao, "A tunable photonic microwave filter with complex coefficient using an optical RF phase shifter," IEEE Photon. Technol. Lett. 19, 1472-1474 (2007).
  8. J. P. Yao, "Microwave photonics," J. Lightw. Technol. 27, 314-335 (2009).
  9. Y. Dai, J. P. Yao, "Nonuniformly-spaced photonic microwave delay-line filter," Opt. Exp. 16, 4713-4718 (2008).
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  12. M. Kulishov, J. Azaña, "Long-period fiber gratings as ultrafast optical differentiators," Opt. Lett. 30, 2700-2702 (2005).
  13. M. Li, D. Janner, J. P. Yao, V. Pruneri, "Arbitrary-order all-fiber temporal differentiator based on a fiber Bragg grating: Design and experimental demonstration," Opt. Exp. 17, 19798-19807 (2009).
  14. F. Zeng, J. P. Yao, "Ultrawideband impulse radio signal generation using a high-speed electrooptic phase modulator and a fiber-Bragg-grating-based frequency discriminator," IEEE Photon. Technol. Lett. 18, 2062-2064 (2006).
  15. J. Xu, X. Zhang, J. Dong, D. Liu, D. Huang, "High-speed all-optical differentiator based on a semiconductor optical amplifier and an optical filter," Opt. Lett. 32, 1872-1874 (2007).
  16. J. Xu, X. Zhang, J. Dong, D. Liu, D. Huang, "All-optical differentiator based on cross-gain modulation in semiconductor optical amplifier," Opt. Lett. 32, 3029-3031 (2007).
  17. Z. Li, C. Wu, "All-optical differentiator and high-speed pulse generation based on cross-polarization modulation in a semiconductor optical amplifier," Opt. Lett. 34, 830-832 (2009).
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  20. G. H. Smith, D. Novak, Z. Ahmed, "Overcoming chromatic-dispersion effects in fiber-wireless systems incorporating external modulators," IEEE Trans. Microw. Theory Tech. 45, 1410-1415 (1997).

2010 (1)

Y. Dai, J. P. Yao, "Nonuniformly spaced photonic microwave delay-line filters and applications," IEEE Trans. Microw. Theory Tech. 58, 3279-3289 (2010).

2009 (3)

J. P. Yao, "Microwave photonics," J. Lightw. Technol. 27, 314-335 (2009).

M. Li, D. Janner, J. P. Yao, V. Pruneri, "Arbitrary-order all-fiber temporal differentiator based on a fiber Bragg grating: Design and experimental demonstration," Opt. Exp. 17, 19798-19807 (2009).

Z. Li, C. Wu, "All-optical differentiator and high-speed pulse generation based on cross-polarization modulation in a semiconductor optical amplifier," Opt. Lett. 34, 830-832 (2009).

2008 (1)

Y. Dai, J. P. Yao, "Nonuniformly-spaced photonic microwave delay-line filter," Opt. Exp. 16, 4713-4718 (2008).

2007 (5)

Y. Yan, J. P. Yao, "A tunable photonic microwave filter with complex coefficient using an optical RF phase shifter," IEEE Photon. Technol. Lett. 19, 1472-1474 (2007).

N. K. Berger, B. Levit, B. Fischer, M. Kulishov, D. V. Plant, J. Azaña, "Temporal differentiation of optical signals using a phase-shifted fiber Bragg grating," Opt. Exp. 15, 371-381 (2007).

J. P. Yao, F. Zeng, Q. Wang, "Photonic generation of ultra-wideband signals," J. Lightw. Technol. 25, 3219-3235 (2007).

J. Xu, X. Zhang, J. Dong, D. Liu, D. Huang, "High-speed all-optical differentiator based on a semiconductor optical amplifier and an optical filter," Opt. Lett. 32, 1872-1874 (2007).

J. Xu, X. Zhang, J. Dong, D. Liu, D. Huang, "All-optical differentiator based on cross-gain modulation in semiconductor optical amplifier," Opt. Lett. 32, 3029-3031 (2007).

2006 (2)

A. Loayssa, J. Capmany, M. Sagues, J. Mora, "Demonstration of incoherent microwave photonic filters with all-optical complex coefficients," IEEE Photon. Technol. Lett. 18, 1744-1746 (2006).

F. Zeng, J. P. Yao, "Ultrawideband impulse radio signal generation using a high-speed electrooptic phase modulator and a fiber-Bragg-grating-based frequency discriminator," IEEE Photon. Technol. Lett. 18, 2062-2064 (2006).

2005 (3)

J. Capmany, B. Ortega, D. Pastor, S. Sales, "Discrete-time optical processing of microwave signals," J. Lightw. Technol. 23, 702-723 (2005).

F. Zeng, J. Wang, J. P. Yao, "All-optical microwave bandpass filter with negative coefficients based on a phase modulator and linearly chirped fiber Bragg gratings," Opt. Lett. 30, 2203-2205 (2005).

M. Kulishov, J. Azaña, "Long-period fiber gratings as ultrafast optical differentiators," Opt. Lett. 30, 2700-2702 (2005).

2003 (1)

1997 (2)

G. H. Smith, D. Novak, Z. Ahmed, "Overcoming chromatic-dispersion effects in fiber-wireless systems incorporating external modulators," IEEE Trans. Microw. Theory Tech. 45, 1410-1415 (1997).

F. Coppinger, S. Yegnanarayanan, P. D. Trinh, B. Jalali, "All-optical RF filter using amplitude inversion in a semiconductor optical amplifier," IEEE Trans. Microw. Theory Tech. 45, 1473-1477 (1997).

IEEE Photon. Technol. Lett. (1)

A. Loayssa, J. Capmany, M. Sagues, J. Mora, "Demonstration of incoherent microwave photonic filters with all-optical complex coefficients," IEEE Photon. Technol. Lett. 18, 1744-1746 (2006).

IEEE Trans. Microw. Theory Tech. (2)

Y. Dai, J. P. Yao, "Nonuniformly spaced photonic microwave delay-line filters and applications," IEEE Trans. Microw. Theory Tech. 58, 3279-3289 (2010).

G. H. Smith, D. Novak, Z. Ahmed, "Overcoming chromatic-dispersion effects in fiber-wireless systems incorporating external modulators," IEEE Trans. Microw. Theory Tech. 45, 1410-1415 (1997).

IEEE Photon. Technol. Lett. (1)

F. Zeng, J. P. Yao, "Ultrawideband impulse radio signal generation using a high-speed electrooptic phase modulator and a fiber-Bragg-grating-based frequency discriminator," IEEE Photon. Technol. Lett. 18, 2062-2064 (2006).

IEEE Photon. Technol. Lett. (1)

Y. Yan, J. P. Yao, "A tunable photonic microwave filter with complex coefficient using an optical RF phase shifter," IEEE Photon. Technol. Lett. 19, 1472-1474 (2007).

IEEE Trans. Microw. Theory Tech. (1)

F. Coppinger, S. Yegnanarayanan, P. D. Trinh, B. Jalali, "All-optical RF filter using amplitude inversion in a semiconductor optical amplifier," IEEE Trans. Microw. Theory Tech. 45, 1473-1477 (1997).

J. Lightw. Technol. (3)

J. P. Yao, "Microwave photonics," J. Lightw. Technol. 27, 314-335 (2009).

J. Capmany, B. Ortega, D. Pastor, S. Sales, "Discrete-time optical processing of microwave signals," J. Lightw. Technol. 23, 702-723 (2005).

J. P. Yao, F. Zeng, Q. Wang, "Photonic generation of ultra-wideband signals," J. Lightw. Technol. 25, 3219-3235 (2007).

Opt. Exp. (1)

N. K. Berger, B. Levit, B. Fischer, M. Kulishov, D. V. Plant, J. Azaña, "Temporal differentiation of optical signals using a phase-shifted fiber Bragg grating," Opt. Exp. 15, 371-381 (2007).

Opt. Lett. (1)

M. Kulishov, J. Azaña, "Long-period fiber gratings as ultrafast optical differentiators," Opt. Lett. 30, 2700-2702 (2005).

Opt. Exp. (2)

M. Li, D. Janner, J. P. Yao, V. Pruneri, "Arbitrary-order all-fiber temporal differentiator based on a fiber Bragg grating: Design and experimental demonstration," Opt. Exp. 17, 19798-19807 (2009).

Y. Dai, J. P. Yao, "Nonuniformly-spaced photonic microwave delay-line filter," Opt. Exp. 16, 4713-4718 (2008).

Opt. Lett. (5)

Other (2)

J. G. Proakis, D. G. Manolakis, Digital Signal Processing (Prentice Hall, 2009).

Y. Yan, F. Zeng, Q. Wang, J. P. Yao, "Photonic microwave filter with negative coefficients based on cross polarization modulation in a semiconductor optical amplifier," Proc. OFC 2007 Paper OWU6.

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