Abstract

We propose the use of tuned electro-optic or electroabsorption external modulators to implement high-quality (high-Q) factor, single-bandpass photonic filters for microwave signals. Using this approach, we experimentally demonstrate a transversal finite impulse response with a Q factor of 237. This is to our knowledge the highest value ever reported for a passive finite impulse-response microwave photonic filter.

© 2005 Optical Society of America

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References

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  1. J. Capmany, B. Ortega, D. Pastor, and S. Sales, J. Lightwave Technol. 23, 702 (2005).
    [CrossRef]
  2. B. Moslehi, J. Goodman, M. Tur, and H. J. Shaw, Proc. IEEE 72, 909 (1984).
    [CrossRef]
  3. D. B. Hunter and R. A. Minasian, Electron. Lett. 31, 2205 (1995).
    [CrossRef]
  4. N. You and R. A. Minasian, IEEE Trans. Microwave Theory Tech. 47, 1304 (1999).
    [CrossRef]
  5. N. You and R. A. Minasian, Electron. Lett. 35, 2125 (1999).
    [CrossRef]
  6. J. H. Schaffner, W. B. Bridges, and E. Popa, “Electro-optic modulator,” U.S. patent 5,005,932 (April 9, 1991).
  7. J. H. Schaffner, “Periodic domain reversal electro-optic modulator,” U.S. patent 5,278,924 (January 11, 1994).
  8. R. Heinzelmann, R. T. Kuri, K.-I. Kitayama, A. Stohr, and D. Jager, in Optical Fiber Communication Conference, Vol. 37 of OSA Trends in Optics and Photonics Series (Optical Society of America, 2000), p. 137.
  9. D. Pastor, B. Ortega, J. Capmany, P.-Y. Fonjallaz, and M. Popov, Electron. Lett. 40, 997 (2004).
    [CrossRef]

2005 (1)

2004 (1)

D. Pastor, B. Ortega, J. Capmany, P.-Y. Fonjallaz, and M. Popov, Electron. Lett. 40, 997 (2004).
[CrossRef]

1999 (2)

N. You and R. A. Minasian, IEEE Trans. Microwave Theory Tech. 47, 1304 (1999).
[CrossRef]

N. You and R. A. Minasian, Electron. Lett. 35, 2125 (1999).
[CrossRef]

1995 (1)

D. B. Hunter and R. A. Minasian, Electron. Lett. 31, 2205 (1995).
[CrossRef]

1984 (1)

B. Moslehi, J. Goodman, M. Tur, and H. J. Shaw, Proc. IEEE 72, 909 (1984).
[CrossRef]

Bridges, W. B.

J. H. Schaffner, W. B. Bridges, and E. Popa, “Electro-optic modulator,” U.S. patent 5,005,932 (April 9, 1991).

Capmany, J.

J. Capmany, B. Ortega, D. Pastor, and S. Sales, J. Lightwave Technol. 23, 702 (2005).
[CrossRef]

D. Pastor, B. Ortega, J. Capmany, P.-Y. Fonjallaz, and M. Popov, Electron. Lett. 40, 997 (2004).
[CrossRef]

Fonjallaz, P.-Y.

D. Pastor, B. Ortega, J. Capmany, P.-Y. Fonjallaz, and M. Popov, Electron. Lett. 40, 997 (2004).
[CrossRef]

Goodman, J.

B. Moslehi, J. Goodman, M. Tur, and H. J. Shaw, Proc. IEEE 72, 909 (1984).
[CrossRef]

Heinzelmann, R.

R. Heinzelmann, R. T. Kuri, K.-I. Kitayama, A. Stohr, and D. Jager, in Optical Fiber Communication Conference, Vol. 37 of OSA Trends in Optics and Photonics Series (Optical Society of America, 2000), p. 137.

Hunter, D. B.

D. B. Hunter and R. A. Minasian, Electron. Lett. 31, 2205 (1995).
[CrossRef]

Jager, D.

R. Heinzelmann, R. T. Kuri, K.-I. Kitayama, A. Stohr, and D. Jager, in Optical Fiber Communication Conference, Vol. 37 of OSA Trends in Optics and Photonics Series (Optical Society of America, 2000), p. 137.

Kitayama, K.-I.

R. Heinzelmann, R. T. Kuri, K.-I. Kitayama, A. Stohr, and D. Jager, in Optical Fiber Communication Conference, Vol. 37 of OSA Trends in Optics and Photonics Series (Optical Society of America, 2000), p. 137.

Kuri, R. T.

R. Heinzelmann, R. T. Kuri, K.-I. Kitayama, A. Stohr, and D. Jager, in Optical Fiber Communication Conference, Vol. 37 of OSA Trends in Optics and Photonics Series (Optical Society of America, 2000), p. 137.

Minasian, R. A.

N. You and R. A. Minasian, Electron. Lett. 35, 2125 (1999).
[CrossRef]

N. You and R. A. Minasian, IEEE Trans. Microwave Theory Tech. 47, 1304 (1999).
[CrossRef]

D. B. Hunter and R. A. Minasian, Electron. Lett. 31, 2205 (1995).
[CrossRef]

Moslehi, B.

B. Moslehi, J. Goodman, M. Tur, and H. J. Shaw, Proc. IEEE 72, 909 (1984).
[CrossRef]

Ortega, B.

J. Capmany, B. Ortega, D. Pastor, and S. Sales, J. Lightwave Technol. 23, 702 (2005).
[CrossRef]

D. Pastor, B. Ortega, J. Capmany, P.-Y. Fonjallaz, and M. Popov, Electron. Lett. 40, 997 (2004).
[CrossRef]

Pastor, D.

J. Capmany, B. Ortega, D. Pastor, and S. Sales, J. Lightwave Technol. 23, 702 (2005).
[CrossRef]

D. Pastor, B. Ortega, J. Capmany, P.-Y. Fonjallaz, and M. Popov, Electron. Lett. 40, 997 (2004).
[CrossRef]

Popa, E.

J. H. Schaffner, W. B. Bridges, and E. Popa, “Electro-optic modulator,” U.S. patent 5,005,932 (April 9, 1991).

Popov, M.

D. Pastor, B. Ortega, J. Capmany, P.-Y. Fonjallaz, and M. Popov, Electron. Lett. 40, 997 (2004).
[CrossRef]

Sales, S.

Schaffner, J. H.

J. H. Schaffner, “Periodic domain reversal electro-optic modulator,” U.S. patent 5,278,924 (January 11, 1994).

J. H. Schaffner, W. B. Bridges, and E. Popa, “Electro-optic modulator,” U.S. patent 5,005,932 (April 9, 1991).

Shaw, H. J.

B. Moslehi, J. Goodman, M. Tur, and H. J. Shaw, Proc. IEEE 72, 909 (1984).
[CrossRef]

Stohr, A.

R. Heinzelmann, R. T. Kuri, K.-I. Kitayama, A. Stohr, and D. Jager, in Optical Fiber Communication Conference, Vol. 37 of OSA Trends in Optics and Photonics Series (Optical Society of America, 2000), p. 137.

Tur, M.

B. Moslehi, J. Goodman, M. Tur, and H. J. Shaw, Proc. IEEE 72, 909 (1984).
[CrossRef]

You, N.

N. You and R. A. Minasian, IEEE Trans. Microwave Theory Tech. 47, 1304 (1999).
[CrossRef]

N. You and R. A. Minasian, Electron. Lett. 35, 2125 (1999).
[CrossRef]

Electron. Lett. (3)

N. You and R. A. Minasian, Electron. Lett. 35, 2125 (1999).
[CrossRef]

D. B. Hunter and R. A. Minasian, Electron. Lett. 31, 2205 (1995).
[CrossRef]

D. Pastor, B. Ortega, J. Capmany, P.-Y. Fonjallaz, and M. Popov, Electron. Lett. 40, 997 (2004).
[CrossRef]

IEEE Trans. Microwave Theory Tech. (1)

N. You and R. A. Minasian, IEEE Trans. Microwave Theory Tech. 47, 1304 (1999).
[CrossRef]

J. Lightwave Technol. (1)

Proc. IEEE (1)

B. Moslehi, J. Goodman, M. Tur, and H. J. Shaw, Proc. IEEE 72, 909 (1984).
[CrossRef]

Other (3)

J. H. Schaffner, W. B. Bridges, and E. Popa, “Electro-optic modulator,” U.S. patent 5,005,932 (April 9, 1991).

J. H. Schaffner, “Periodic domain reversal electro-optic modulator,” U.S. patent 5,278,924 (January 11, 1994).

R. Heinzelmann, R. T. Kuri, K.-I. Kitayama, A. Stohr, and D. Jager, in Optical Fiber Communication Conference, Vol. 37 of OSA Trends in Optics and Photonics Series (Optical Society of America, 2000), p. 137.

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Figures (4)

Fig. 1
Fig. 1

Layout of an N-tap transversal incoherent filter with a tuned modulator.

Fig. 2
Fig. 2

Experimental setup of the transversal incoherent filter. ASE, amplified spontaneous emission.

Fig. 3
Fig. 3

(a) Transfer function of the photonic filter when a broadband (i.e., not tuned) modulator is employed. Also shown (dotted–dashed curve) is the bandpass characteristic of the tuned Mach–Zehnder modulator centered at 1.5 GHz. (b) Transfer function of the overall filter from which the periodic characteristic of the initial incoherent photonic filter has been eliminated.

Fig. 4
Fig. 4

Tuning of the single resonance resulting from the overall filter of Fig. 2 with switched delay lines.

Equations (6)

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E 0 ( t ) = r = 0 N [ a r s in ( t r T ] 1 2 exp { j [ w 0 ( t r T ) + ϕ ( t r T ) ] } .
I 0 ( t ) = R E 0 ( t ) 2 = R r = 0 N [ a r s in ( t r T ) ] ,
H ( Ω ) = H mod ( Ω ) H f ( Ω ) .
Δ Ω 2 π < FSR ,
f 0 1 1 + ( f 0 D L Δ λ N ) f 0 [ 1 ( f 0 D L Δ λ N ) ] ,
f L f 0  2 D L Δ λ N ,

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