Abstract

A center frequency-tunable multi-tap bandpass microwave photonic filter (MPF) is proposed and experimentally demonstrated. A specially designed multi-wavelength fiber ring laser, in which a windowed Fabry-Pérot (FP) filter is used as the wavelength selection and power control component, has been developed to serve as the optical source for the MPF. By adjusting the windowed FP filter, both the wavelength spacing and power profile of the multi-wavelength laser can be changed. The output of the optical source is phase modulated by a microwave signal. 25 km of single-mode fiber (SMF) is then used to act as a dispersive medium to introduce time delays between taps. Thus, a tunable bandpass response is obtained at the output of a high-speed photodetector (PD). In addition, the passband centered at DC is removed due to the use of phase modulation. The experimental results show that more than 45 wavelengths can be generated in the multi-wavelength ring laser. With the electronic tuning of the wavelength spacing, tuning of the passband center frequency of the MPF by 3 GHz is achieved.

© 2011 IEEE

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2009 (4)

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

J. Q. Zhou, S. Aditya, P. Shum, L. Xia, B. P. Parhusip, "Wide-range continuously tunable microwave photonic filter using high-birefringence linearly chirped fiber Bragg grating and polarization beamsplitters," Opt. Eng. 48, 010502 (2009).

X. Yi, R. A. Minasian, "New spectrum-sliced microwave photonic filter for high-frequency signal processing," IEEE Photon. Technol. Lett. 21, 230-232 (2009).

J. Q. Zhou, "Microwave photonic bandpass filter using a multi-wavelength laser with a bell-shaped power profile," Microw. Opt. Tech. Lett. 51, 1329-1332 (2009).

2008 (2)

G. Ning, "Multiple dual-wavelengths erbium-doped fiber ring laser using a polarization-maintaining Fabry–Perot filter," IEEE Photon. Technol. Lett. 20, 1606-1608 (2008).

M. A. F. Roelens, "Dispersion trimming in a reconfigurable wavelength selective switch," J. Lightw. Technol. 26, 73-78 (2008).

2007 (2)

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

X. H. Feng, C. Lu, H. Y. Tam, P. K. A. Wai, "Reconfigurable microwave photonic filter using multiwavelength erbium-doped fiber laser," IEEE Photon. Technol. Lett. 19, 1334-1336 (2007).

2006 (4)

J. Mora, "Continuous tuning of photonic transversal filter based on the modification of tapped weights," IEEE Photon. Technol. Lett. 18, 1594-1596 (2006).

X. K. Yi, R. A. Minasian, "Dispersion induced RF distortion of spectrum-sliced microwave-photonic filters," IEEE Trans. Microw. Theory Tech. 54, 880-886 (2006).

J. Mora, "Photonic microwave tunable single-bandpass filter based on a Mach–Zehnder interferometer," J. Lightw. Technol. 24, 2500-2509 (2006).

R. A. Minasian, "Photonic signal processing of microwave signals," IEEE Trans. Microw. Theory Tech. 54, 832-846 (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).

L. R. Chen, V. Page, "Tunable photonic microwave filter using semiconductor fibre laser," Electron. Lett. 41, 1183-1184 (2005).

X. Liu, C. Lu, "Self-stabilizing effect of four-wave mixing and its applications on multiwavelength erbium-doped fiber lasers," IEEE Photon. Technol. Lett. 17, 2541-2543 (2005).

2004 (1)

F. Zeng, J. P. Yao, "All-optical bandpass microwave filter based on an electro-optic phase modulator," Opt. Exp. 12, 3814-3819 (2004).

2003 (2)

X. K. Yi, "Continuously tunable microwave-photonic filter design using high-birefringence linear chirped grating," IEEE Photon. Technol. Lett. 15, 754-756 (2003).

V. Polo, B. Vidal, J. L. Corral, J. Marti, "Novel tunable photonic microwave filter based on laser arrays and N$\,\times\,$N AWG-based delay lines," IEEE Photon. Technol. Lett. 15, 584-586 (2003).

2001 (1)

W. Zhang, J. A. R. Williams, I. Bennion, "Polarization synthesized optical transversal filter employing high birefringence fiber gratings," IEEE Photon. Technol. Lett. 13, 523-525 (2001).

Electron. Lett. (1)

L. R. Chen, V. Page, "Tunable photonic microwave filter using semiconductor fibre laser," Electron. Lett. 41, 1183-1184 (2005).

IEEE Photon. Technol. Lett. (2)

X. H. Feng, C. Lu, H. Y. Tam, P. K. A. Wai, "Reconfigurable microwave photonic filter using multiwavelength erbium-doped fiber laser," IEEE Photon. Technol. Lett. 19, 1334-1336 (2007).

X. Yi, R. A. Minasian, "New spectrum-sliced microwave photonic filter for high-frequency signal processing," IEEE Photon. Technol. Lett. 21, 230-232 (2009).

IEEE Trans. Microw. Theory Tech. (1)

X. K. Yi, R. A. Minasian, "Dispersion induced RF distortion of spectrum-sliced microwave-photonic filters," IEEE Trans. Microw. Theory Tech. 54, 880-886 (2006).

IEEE Photon. Technol. Lett. (1)

V. Polo, B. Vidal, J. L. Corral, J. Marti, "Novel tunable photonic microwave filter based on laser arrays and N$\,\times\,$N AWG-based delay lines," IEEE Photon. Technol. Lett. 15, 584-586 (2003).

IEEE Photon. Technol. Lett. (5)

J. Mora, "Continuous tuning of photonic transversal filter based on the modification of tapped weights," IEEE Photon. Technol. Lett. 18, 1594-1596 (2006).

W. Zhang, J. A. R. Williams, I. Bennion, "Polarization synthesized optical transversal filter employing high birefringence fiber gratings," IEEE Photon. Technol. Lett. 13, 523-525 (2001).

X. K. Yi, "Continuously tunable microwave-photonic filter design using high-birefringence linear chirped grating," IEEE Photon. Technol. Lett. 15, 754-756 (2003).

X. Liu, C. Lu, "Self-stabilizing effect of four-wave mixing and its applications on multiwavelength erbium-doped fiber lasers," IEEE Photon. Technol. Lett. 17, 2541-2543 (2005).

G. Ning, "Multiple dual-wavelengths erbium-doped fiber ring laser using a polarization-maintaining Fabry–Perot filter," IEEE Photon. Technol. Lett. 20, 1606-1608 (2008).

IEEE Trans. Microw. Theory Tech. (1)

R. A. Minasian, "Photonic signal processing of microwave signals," IEEE Trans. Microw. Theory Tech. 54, 832-846 (2006).

J. Lightw. Technol. (5)

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

J. Mora, "Photonic microwave tunable single-bandpass filter based on a Mach–Zehnder interferometer," J. Lightw. Technol. 24, 2500-2509 (2006).

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

M. A. F. Roelens, "Dispersion trimming in a reconfigurable wavelength selective switch," J. Lightw. Technol. 26, 73-78 (2008).

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

Microw. Opt. Tech. Lett. (1)

J. Q. Zhou, "Microwave photonic bandpass filter using a multi-wavelength laser with a bell-shaped power profile," Microw. Opt. Tech. Lett. 51, 1329-1332 (2009).

Opt. Exp. (1)

F. Zeng, J. P. Yao, "All-optical bandpass microwave filter based on an electro-optic phase modulator," Opt. Exp. 12, 3814-3819 (2004).

Opt. Eng. (1)

J. Q. Zhou, S. Aditya, P. Shum, L. Xia, B. P. Parhusip, "Wide-range continuously tunable microwave photonic filter using high-birefringence linearly chirped fiber Bragg grating and polarization beamsplitters," Opt. Eng. 48, 010502 (2009).

Other (1)

A. V. Oppenheim, R. W. Schafer, Discrete-Time Signal Processing (Prentice-Hall, 1989).

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