Abstract

A new microwave photonic filter structure that realizes both a multitap, flat-top radio-frequency bandpass filter and bipolar taps, while also exhibiting low-noise operation, is presented. It is based on using a phase-modulated laser signal propagating through a novel sinusoidal group delay grating, which induces tailored phase shifts to the carrier and sidebands. The filter integrates tap weighting and delays simultaneously in one unit, which enables multiple-tap low-noise signal processing together with negative coefficients. Experimental results demonstrate the realization of a flat-top bandpass filter response with 7.8-GHz free spectral range and more than 45-dB rejection ratio. Extensions to this concept by connecting additional sinusoidal group delay gratings in cascade, to provide enhanced signal processing functions, are also described.

© 2008 IEEE

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  2. B. Moslehi, J. W. Goodman, M. Tur, H. J. Shaw, "Fiber optic lattice signal processing," Proc. IEEE 72, 909-930 (1984).
  3. 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).
  4. S. Mansoori, L. A. Bui, A. Mitchell, "A novel RF photonics band-pass filter," IEEE Int. Topical Meeting Microwave Photonics (MWP2003) (2003) pp. 93-96.
  5. E. H. W. Chan, R. A. Minasian, "Novel all-optical RF notch filters with equivalent negative tap response," IEEE Photon. Technol. Lett. 16, 1370-1372 (2004).
  6. E. H. W. Chan, R. A. Minasian, "Sagnac-loop-based equivalent negative tap photonic notch filter," IEEE Photon. Technol. Lett. 17, 1740-1742 (2005).
  7. 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).
  8. Y. Yan, S. R. Blais, J. Yao, "Tunable photonic microwave bandpass filter with negative coefficients implemented using an optical phase modulator and chirped fiber Bragg gratings," J. Lightw. Technol. 25, 3283-3288 (2007).
  9. K. Ennser, M. Ibsen, D. Durkin, M. N. Zervas, R. I. Laming, "Influence of nonideal chirped fiber grating characteristics on dispersion cancellation," IEEE Photon. Technol. Lett. 10, 1476-1478 (1998).
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2007 (1)

Y. Yan, S. R. Blais, J. Yao, "Tunable photonic microwave bandpass filter with negative coefficients implemented using an optical phase modulator and chirped fiber Bragg gratings," J. Lightw. Technol. 25, 3283-3288 (2007).

2006 (1)

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

2005 (2)

E. H. W. Chan, R. A. Minasian, "Sagnac-loop-based equivalent negative tap photonic notch filter," IEEE Photon. Technol. Lett. 17, 1740-1742 (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).

2004 (2)

E. H. W. Chan, R. A. Minasian, "Novel all-optical RF notch filters with equivalent negative tap response," IEEE Photon. Technol. Lett. 16, 1370-1372 (2004).

X. Fang, J. F. Brennan, III"Performance effect in optical-communication systems caused by phase ripples of dispersive components," Appl. Opt. 43, 5033-5036 (2004).

2003 (4)

T. G. Ulmer, "Distortion in angle-modulated links induced by ripple in fiber-Bragg-grating reflectance and delay characteristics," J. Lightw. Technol. 21, 3226-3236 (2003).

M. Sumetsky, P. I. Reyes, P. S. Westbrook, N. M. Litchinitser, B. J. Eggleton, "Group delay ripple correction in chirped fiber Bragg gratings," Opt. Lett. 28, 777-779 (2003).

F. Ramos, J. Marti, "Influence of non-ideal chirped fiber grating characteristics on dispersion-compensated analogue optical links in presence of fiber-induced SPM," Electron. Lett. 39, 353-355 (2003).

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).

2002 (1)

2001 (2)

J. Skaar, L. Wang, T. Erdogan, "On the synthesis of fiber Bragg gratings by layer peeling," IEEE J. Quant. Electron. 37, 165-173 (2001).

T. Niemi, M. Uusimaa, H. Ludvigsen, "Limitations of phase-shift method in measuring dense group delay ripple of fiber Bragg gratings," IEEE Photon. Technol. Lett. 13, 1334-1336 (2001).

1998 (2)

D. Garthe, G. Milner, Y. Cai, "System performance of broadband dispersion compensating gratings," Electron. Lett. 34, 582-583 (1998).

K. Ennser, M. Ibsen, D. Durkin, M. N. Zervas, R. I. Laming, "Influence of nonideal chirped fiber grating characteristics on dispersion cancellation," IEEE Photon. Technol. Lett. 10, 1476-1478 (1998).

1986 (1)

A. R. Chraplyvy, R. X. Tkach, L. L. Buhl, R. C. Alpbrsess, "Phase modulation to amplitude modulation conversion of CW laser light in optical fibres," Electron. Lett. 22, 409-411 (1986).

1984 (2)

G. J. Meslener, "Chromatic dispersion induced distortion of modulated monochromatic light employing direct detection," IEEE J. Quant. Electron. 20, 1208-1216 (1984).

B. Moslehi, J. W. Goodman, M. Tur, H. J. Shaw, "Fiber optic lattice signal processing," Proc. IEEE 72, 909-930 (1984).

Appl. Opt. (1)

Electron. Lett. (1)

A. R. Chraplyvy, R. X. Tkach, L. L. Buhl, R. C. Alpbrsess, "Phase modulation to amplitude modulation conversion of CW laser light in optical fibres," Electron. Lett. 22, 409-411 (1986).

Electron. Lett. (2)

D. Garthe, G. Milner, Y. Cai, "System performance of broadband dispersion compensating gratings," Electron. Lett. 34, 582-583 (1998).

F. Ramos, J. Marti, "Influence of non-ideal chirped fiber grating characteristics on dispersion-compensated analogue optical links in presence of fiber-induced SPM," Electron. Lett. 39, 353-355 (2003).

IEEE Photon. Technol. Lett. (1)

T. Niemi, M. Uusimaa, H. Ludvigsen, "Limitations of phase-shift method in measuring dense group delay ripple of fiber Bragg gratings," IEEE Photon. Technol. Lett. 13, 1334-1336 (2001).

IEEE J. Quant. Electron. (2)

G. J. Meslener, "Chromatic dispersion induced distortion of modulated monochromatic light employing direct detection," IEEE J. Quant. Electron. 20, 1208-1216 (1984).

J. Skaar, L. Wang, T. Erdogan, "On the synthesis of fiber Bragg gratings by layer peeling," IEEE J. Quant. Electron. 37, 165-173 (2001).

IEEE Photon. Technol. Lett. (1)

E. H. W. Chan, R. A. Minasian, "Novel all-optical RF notch filters with equivalent negative tap response," IEEE Photon. Technol. Lett. 16, 1370-1372 (2004).

IEEE Photon. Technol. Lett. (2)

E. H. W. Chan, R. A. Minasian, "Sagnac-loop-based equivalent negative tap photonic notch filter," IEEE Photon. Technol. Lett. 17, 1740-1742 (2005).

K. Ennser, M. Ibsen, D. Durkin, M. N. Zervas, R. I. Laming, "Influence of nonideal chirped fiber grating characteristics on dispersion cancellation," IEEE Photon. Technol. Lett. 10, 1476-1478 (1998).

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. (2)

T. G. Ulmer, "Distortion in angle-modulated links induced by ripple in fiber-Bragg-grating reflectance and delay characteristics," J. Lightw. Technol. 21, 3226-3236 (2003).

Y. Yan, S. R. Blais, J. Yao, "Tunable photonic microwave bandpass filter with negative coefficients implemented using an optical phase modulator and chirped fiber Bragg gratings," J. Lightw. Technol. 25, 3283-3288 (2007).

Opt. Lett. (2)

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).

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).

Opt. Lett. (2)

Proc. IEEE (1)

B. Moslehi, J. W. Goodman, M. Tur, H. J. Shaw, "Fiber optic lattice signal processing," Proc. IEEE 72, 909-930 (1984).

Other (3)

S. Mansoori, L. A. Bui, A. Mitchell, "A novel RF photonics band-pass filter," IEEE Int. Topical Meeting Microwave Photonics (MWP2003) (2003) pp. 93-96.

C. K. Madsen, J. H. Zhao, Optical Filter Design and Analysis: A Signal Processing Approach (Wiley, 1999).

M. Abramowitz, I. A. Stegun, Handbook of Mathematical Functions With Formulas, Graphs, and Mathematical Tables (Dover, 1972).

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