Abstract

A novel technique to perform microwave pulse phase encoding using an incoherent photonic microwave delay-line filter is proposed and experimentally demonstrated. Being different from a regular microwave delay-line filter, in which the time-delay differences are identical between any adjacent taps, the proposed filter has nonidentical time-delay differences. A phase-encoded microwave pulse with the required code pattern is generated by properly adjusting the time-delay differences. The chip number of a generated phase code is determined by the number of the filter taps, and the phase shift of each chip is determined by the corresponding time-delay difference. The proposed technique is verified by experiments. The generation of binary and quaternary phase-coded pulses is experimentally demonstrated.

© 2007 Optical Society of America

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References

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  1. J. A. Seeds, IEEE Trans. Microwave Theory Tech. 50, 877 (2002).
    [Crossref]
  2. M. I. Skolnik, Introduction to Radar (McGraw-Hill, 1962).
  3. J. D. McKinney, D. E. Leaird, and A. M. Weiner, Opt. Lett. 27, 1347 (2002).
    [Crossref]
  4. J. Chou, Y. Han, and B. Jalali, IEEE Photon. Technol. Lett. 15, 581 (2003).
    [Crossref]
  5. A. Zeitouny, S. Stepanov, O. Levinson, and M. Horowitz, IEEE Photon. Technol. Lett. 17, 660 (2005).
    [Crossref]
  6. H. Chi and J. P. Yao, IEEE Trans. Microwave Theory Tech. 55, 1958 (2007).
    [Crossref]
  7. H. Chi and J. P. Yao, IEEE Photon. Technol. Lett. 19, 768 (2007).
    [Crossref]
  8. J. Capmany, B. Ortega, and D. Pastor, J. Lightwave Technol. 24, 201 (2006).
    [Crossref]
  9. R. A. Minasian, IEEE Trans. Microwave Theory Tech. 54, 832 (2006).
    [Crossref]
  10. Y. Dai, X. Chen, J. Sun, Y. Yao, and S. Xie, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, 2006), paper JThC76.

2007 (2)

H. Chi and J. P. Yao, IEEE Trans. Microwave Theory Tech. 55, 1958 (2007).
[Crossref]

H. Chi and J. P. Yao, IEEE Photon. Technol. Lett. 19, 768 (2007).
[Crossref]

2006 (2)

J. Capmany, B. Ortega, and D. Pastor, J. Lightwave Technol. 24, 201 (2006).
[Crossref]

R. A. Minasian, IEEE Trans. Microwave Theory Tech. 54, 832 (2006).
[Crossref]

2005 (1)

A. Zeitouny, S. Stepanov, O. Levinson, and M. Horowitz, IEEE Photon. Technol. Lett. 17, 660 (2005).
[Crossref]

2003 (1)

J. Chou, Y. Han, and B. Jalali, IEEE Photon. Technol. Lett. 15, 581 (2003).
[Crossref]

2002 (2)

J. A. Seeds, IEEE Trans. Microwave Theory Tech. 50, 877 (2002).
[Crossref]

J. D. McKinney, D. E. Leaird, and A. M. Weiner, Opt. Lett. 27, 1347 (2002).
[Crossref]

Capmany, J.

Chen, X.

Y. Dai, X. Chen, J. Sun, Y. Yao, and S. Xie, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, 2006), paper JThC76.

Chi, H.

H. Chi and J. P. Yao, IEEE Trans. Microwave Theory Tech. 55, 1958 (2007).
[Crossref]

H. Chi and J. P. Yao, IEEE Photon. Technol. Lett. 19, 768 (2007).
[Crossref]

Chou, J.

J. Chou, Y. Han, and B. Jalali, IEEE Photon. Technol. Lett. 15, 581 (2003).
[Crossref]

Dai, Y.

Y. Dai, X. Chen, J. Sun, Y. Yao, and S. Xie, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, 2006), paper JThC76.

Han, Y.

J. Chou, Y. Han, and B. Jalali, IEEE Photon. Technol. Lett. 15, 581 (2003).
[Crossref]

Horowitz, M.

A. Zeitouny, S. Stepanov, O. Levinson, and M. Horowitz, IEEE Photon. Technol. Lett. 17, 660 (2005).
[Crossref]

Jalali, B.

J. Chou, Y. Han, and B. Jalali, IEEE Photon. Technol. Lett. 15, 581 (2003).
[Crossref]

Leaird, D. E.

J. D. McKinney, D. E. Leaird, and A. M. Weiner, Opt. Lett. 27, 1347 (2002).
[Crossref]

Levinson, O.

A. Zeitouny, S. Stepanov, O. Levinson, and M. Horowitz, IEEE Photon. Technol. Lett. 17, 660 (2005).
[Crossref]

McKinney, J. D.

J. D. McKinney, D. E. Leaird, and A. M. Weiner, Opt. Lett. 27, 1347 (2002).
[Crossref]

Minasian, R. A.

R. A. Minasian, IEEE Trans. Microwave Theory Tech. 54, 832 (2006).
[Crossref]

Ortega, B.

Pastor, D.

Seeds, J. A.

J. A. Seeds, IEEE Trans. Microwave Theory Tech. 50, 877 (2002).
[Crossref]

Skolnik, M. I.

M. I. Skolnik, Introduction to Radar (McGraw-Hill, 1962).

Stepanov, S.

A. Zeitouny, S. Stepanov, O. Levinson, and M. Horowitz, IEEE Photon. Technol. Lett. 17, 660 (2005).
[Crossref]

Sun, J.

Y. Dai, X. Chen, J. Sun, Y. Yao, and S. Xie, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, 2006), paper JThC76.

Weiner, A. M.

J. D. McKinney, D. E. Leaird, and A. M. Weiner, Opt. Lett. 27, 1347 (2002).
[Crossref]

Xie, S.

Y. Dai, X. Chen, J. Sun, Y. Yao, and S. Xie, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, 2006), paper JThC76.

Yao, J. P.

H. Chi and J. P. Yao, IEEE Photon. Technol. Lett. 19, 768 (2007).
[Crossref]

H. Chi and J. P. Yao, IEEE Trans. Microwave Theory Tech. 55, 1958 (2007).
[Crossref]

Yao, Y.

Y. Dai, X. Chen, J. Sun, Y. Yao, and S. Xie, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, 2006), paper JThC76.

Zeitouny, A.

A. Zeitouny, S. Stepanov, O. Levinson, and M. Horowitz, IEEE Photon. Technol. Lett. 17, 660 (2005).
[Crossref]

IEEE Photon. Technol. Lett. (3)

J. Chou, Y. Han, and B. Jalali, IEEE Photon. Technol. Lett. 15, 581 (2003).
[Crossref]

A. Zeitouny, S. Stepanov, O. Levinson, and M. Horowitz, IEEE Photon. Technol. Lett. 17, 660 (2005).
[Crossref]

H. Chi and J. P. Yao, IEEE Photon. Technol. Lett. 19, 768 (2007).
[Crossref]

IEEE Trans. Microwave Theory Tech. (3)

R. A. Minasian, IEEE Trans. Microwave Theory Tech. 54, 832 (2006).
[Crossref]

H. Chi and J. P. Yao, IEEE Trans. Microwave Theory Tech. 55, 1958 (2007).
[Crossref]

J. A. Seeds, IEEE Trans. Microwave Theory Tech. 50, 877 (2002).
[Crossref]

J. Lightwave Technol. (1)

Opt. Lett. (1)

J. D. McKinney, D. E. Leaird, and A. M. Weiner, Opt. Lett. 27, 1347 (2002).
[Crossref]

Other (2)

Y. Dai, X. Chen, J. Sun, Y. Yao, and S. Xie, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, 2006), paper JThC76.

M. I. Skolnik, Introduction to Radar (McGraw-Hill, 1962).

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Figures (5)

Fig. 1
Fig. 1

(a) Proposed PMDLF for phase coding. (b) Phase coding with the required phase shift by a time delay.

Fig. 2
Fig. 2

Phase-encoded microwave pulse with a code pattern of { 0 , π , π , 0 } . (a) Generated by the proposed PMDLF, (b) generated by a regular PMDLF with coefficients of { 1 , 1 , 1 , 1 } .

Fig. 3
Fig. 3

Solid curve: experimentally generated phase-coded rf pulses. Dotted curve: rf signals without phase coding.

Fig. 4
Fig. 4

Calculated autocorrelations of the experimentally generated phase-coded microwave signal (solid line), and the simulated signal corresponding to Fig. 2 (dotted line). Dashed line: the experimentally generated phase-coded rf signal.

Fig. 5
Fig. 5

Simulation results of frequency responses of the proposed filter (down) to generate a phase code of { 0 , π , π , 0 } , and a regular PMDLF (up) with coefficients of { 1 , 1 , 1 , 1 } .

Tables (1)

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Table 1 Four Sets of Wavelengths for Four Different Code Patterns

Equations (2)

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τ k = τ 0 + τ ( k φ k 2 π S ) , k = 0 , 1 , 2 , ,
λ k = λ 0 + Δ λ ( k φ k 2 π S ) ,

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