Abstract

A technique for high-speed, all-optical pattern recognition based on cross correlation in a segmented semiconductor optical amplifier (SSOA) is presented. A counterpropagating pump–probe setup is used to perform cross correlation of the spatial gain–loss pattern in the SSOA with the optical data pattern (pump), and the result is read out with a counterpropagating probe. Cross correlation of 4-bit patterns at 85  Gbits/s is experimentally demonstrated. Simulations show reasonable agreement with experimental measurements and are used to address scalability to higher bit rates and longer data patterns.

© 2001 Optical Society of America

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References

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    [CrossRef]
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2000 (1)

1999 (1)

1998 (1)

S. Kawanishi, IEEE J. Quantum Electron. 34, 2064 (1998).
[CrossRef]

1996 (2)

J.-D. Shin, M.-Y. Jeon, and C.-S. Kang, IEEE Photon. Technol. Lett. 8, 941 (1996).
[CrossRef]

J. Mork and A. Mecozzi, J. Opt. Soc. Am. B 13, 1803 (1996).
[CrossRef]

1995 (1)

1994 (1)

I. Glesk, J. P. Solokoff, and P. R. Prucnal, Electron. Lett. 30, 1322 (1994).
[CrossRef]

Babbitt, W. R.

Cho, P. S.

Cone, R. L.

Dagenais, M.

Glesk, I.

I. Glesk, J. P. Solokoff, and P. R. Prucnal, Electron. Lett. 30, 1322 (1994).
[CrossRef]

Goldhar, J.

Harris, T. L.

Haykin, S.

S. Haykin, Communication Systems (Wiley, New York, 1983).

Heim, P.

Jeon, M.-Y.

J.-D. Shin, M.-Y. Jeon, and C.-S. Kang, IEEE Photon. Technol. Lett. 8, 941 (1996).
[CrossRef]

Johnson, F. G.

Kachru, R.

Kang, C.-S.

J.-D. Shin, M.-Y. Jeon, and C.-S. Kang, IEEE Photon. Technol. Lett. 8, 941 (1996).
[CrossRef]

Kawanishi, S.

S. Kawanishi, IEEE J. Quantum Electron. 34, 2064 (1998).
[CrossRef]

Mandelberg, H.

Mecozzi, A.

Mork, J.

Prucnal, P. R.

I. Glesk, J. P. Solokoff, and P. R. Prucnal, Electron. Lett. 30, 1322 (1994).
[CrossRef]

Shen, X. A.

Shin, J.-D.

J.-D. Shin, M.-Y. Jeon, and C.-S. Kang, IEEE Photon. Technol. Lett. 8, 941 (1996).
[CrossRef]

Solokoff, J. P.

I. Glesk, J. P. Solokoff, and P. R. Prucnal, Electron. Lett. 30, 1322 (1994).
[CrossRef]

Stone, D. R.

Sun, Y.

Yu, H.-Y.

H.-Y. Yu, P. Heim, F. G. Johnson, P. S. Cho, H. Mandelberg, D. R. Stone, M. Dagenais, and J. Goldhar, Opt. Lett. 24, 324 (1999).
[CrossRef]

H.-Y. Yu, “High-bit-rate optical signal processing using nonlinear effects in semiconductor optical amplifiers,” Ph.D. dissertation (University of Maryland, College Park, Md., 1999).

Electron. Lett. (1)

I. Glesk, J. P. Solokoff, and P. R. Prucnal, Electron. Lett. 30, 1322 (1994).
[CrossRef]

IEEE J. Quantum Electron. (1)

S. Kawanishi, IEEE J. Quantum Electron. 34, 2064 (1998).
[CrossRef]

IEEE Photon. Technol. Lett. (1)

J.-D. Shin, M.-Y. Jeon, and C.-S. Kang, IEEE Photon. Technol. Lett. 8, 941 (1996).
[CrossRef]

J. Opt. Soc. Am. B (1)

Opt. Lett. (3)

Other (2)

S. Haykin, Communication Systems (Wiley, New York, 1983).

H.-Y. Yu, “High-bit-rate optical signal processing using nonlinear effects in semiconductor optical amplifiers,” Ph.D. dissertation (University of Maryland, College Park, Md., 1999).

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Figures (3)

Fig. 1
Fig. 1

(a) Illustration of the cross-correlation technique and (b) formation of a short-duration, positive pulse by use of a gain–loss segment pair.

Fig. 2
Fig. 2

(a) Experimental and (b) simulated signals resulting from the cross correlation of three data patterns with the polar-ended +1-1-1+1 reference pattern.

Fig. 3
Fig. 3

Average amplitude of the simulated and experimental signals in a 10-ps window centered around time 0 of the correlation trace.

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