Abstract

A passive all-optical scheme for clock extraction from non return-to-zero (NRZ) data has been proposed based on narrow-band filtering. Two equally effective embodiments of the proposed scheme have been demonstrated experimentally. A carrier-to-noise ratio (CNR) of 30 dB has been achieved at 40 Gbit/s using fiber Bragg gratings (FBG).

© 2004 Optical Society of America

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References

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  1. H. J. Lee, H. G. Kim, J. Y. Choi, and H. K. Lee, “All-optical clock recovery from NRZ data with simple NRZ-to-PRZ converter based on self-phase modulation of semiconductor optical amplifier,” Electron. Lett. 35, 989–990 (1999).
    [Crossref]
  2. W. Mao, M. Al-Mumin, X. Wang, and G. Li, “All-optical enhancement of clock and clock-to-data suppression ratio of NRZ data,” IEEE Photon. Technol. Lett. 13, 239–241 (2001).
    [Crossref]
  3. A. Bilenca, D. Dahan, J. Lasri, G. Eisenstein, and D. Ritter, “High bit rate clock recovery of NRZ data by all-optical processing in a semiconductor optical amplifier and direct optical injection locking of a self-oscillating phototransistor,” IEEE Photon. Technol. Lett. 14, 399–401 (2002).
    [Crossref]
  4. H. K. Lee, C. H. Lee, S. B. Kang, M. -Y. Jeon, K. H. Kim, J. T. Ahn, and E. -H. Lee, “All-fibre-optic clock recovery from non-return-to-zero format data,” Electron. Lett. 34, 478–480 (1998).
    [Crossref]
  5. C. -H. Lee and H. K. Lee, “Passive all-optical clock signal extractor for non-return-to-zero signals,” Electron. Lett. 34, 295–297 (1998).
    [Crossref]
  6. S. B. Jun, K. J. Park, H. Kim, H. S. Chung, J. H. Lee, and Y. C. Chung, “Passive optical NRZ-to-RZ converter,” in Optical Fiber Communications Conference (Institute of Electrical and Electronics Engineers, Piscataway, N.J., 2004), Paper ThN1.
  7. B. Franz, “Optical signal processing for very high speed (>40 Gbit/s) ETDM binary NRZ clock recovery,” in Optical Fiber Communications Conference (Institute of Electrical and Electronics Engineers, Piscataway, N.J., 2001), Paper MG1.
  8. W. Hong, D. Huang, F. Cai, and Y. Wang, “Simultaneous clock component extraction and wavelength conversion of NRZ signal using an SOA loop mirror,” IEEE Photon. Technol. Lett. 16, 1116–1118 (2004).
    [Crossref]
  9. P. E. Barnsley and P. J. Fiddyment, “Clock extraction using saturable absorption in a semiconductor nonlinear optical amplifier,” IEEE Photon. Technol. Lett. 3, 832–834 (1991).
    [Crossref]

2004 (1)

W. Hong, D. Huang, F. Cai, and Y. Wang, “Simultaneous clock component extraction and wavelength conversion of NRZ signal using an SOA loop mirror,” IEEE Photon. Technol. Lett. 16, 1116–1118 (2004).
[Crossref]

2002 (1)

A. Bilenca, D. Dahan, J. Lasri, G. Eisenstein, and D. Ritter, “High bit rate clock recovery of NRZ data by all-optical processing in a semiconductor optical amplifier and direct optical injection locking of a self-oscillating phototransistor,” IEEE Photon. Technol. Lett. 14, 399–401 (2002).
[Crossref]

2001 (1)

W. Mao, M. Al-Mumin, X. Wang, and G. Li, “All-optical enhancement of clock and clock-to-data suppression ratio of NRZ data,” IEEE Photon. Technol. Lett. 13, 239–241 (2001).
[Crossref]

1999 (1)

H. J. Lee, H. G. Kim, J. Y. Choi, and H. K. Lee, “All-optical clock recovery from NRZ data with simple NRZ-to-PRZ converter based on self-phase modulation of semiconductor optical amplifier,” Electron. Lett. 35, 989–990 (1999).
[Crossref]

1998 (2)

H. K. Lee, C. H. Lee, S. B. Kang, M. -Y. Jeon, K. H. Kim, J. T. Ahn, and E. -H. Lee, “All-fibre-optic clock recovery from non-return-to-zero format data,” Electron. Lett. 34, 478–480 (1998).
[Crossref]

C. -H. Lee and H. K. Lee, “Passive all-optical clock signal extractor for non-return-to-zero signals,” Electron. Lett. 34, 295–297 (1998).
[Crossref]

1991 (1)

P. E. Barnsley and P. J. Fiddyment, “Clock extraction using saturable absorption in a semiconductor nonlinear optical amplifier,” IEEE Photon. Technol. Lett. 3, 832–834 (1991).
[Crossref]

Ahn, J. T.

H. K. Lee, C. H. Lee, S. B. Kang, M. -Y. Jeon, K. H. Kim, J. T. Ahn, and E. -H. Lee, “All-fibre-optic clock recovery from non-return-to-zero format data,” Electron. Lett. 34, 478–480 (1998).
[Crossref]

Al-Mumin, M.

W. Mao, M. Al-Mumin, X. Wang, and G. Li, “All-optical enhancement of clock and clock-to-data suppression ratio of NRZ data,” IEEE Photon. Technol. Lett. 13, 239–241 (2001).
[Crossref]

Barnsley, P. E.

P. E. Barnsley and P. J. Fiddyment, “Clock extraction using saturable absorption in a semiconductor nonlinear optical amplifier,” IEEE Photon. Technol. Lett. 3, 832–834 (1991).
[Crossref]

Bilenca, A.

A. Bilenca, D. Dahan, J. Lasri, G. Eisenstein, and D. Ritter, “High bit rate clock recovery of NRZ data by all-optical processing in a semiconductor optical amplifier and direct optical injection locking of a self-oscillating phototransistor,” IEEE Photon. Technol. Lett. 14, 399–401 (2002).
[Crossref]

Cai, F.

W. Hong, D. Huang, F. Cai, and Y. Wang, “Simultaneous clock component extraction and wavelength conversion of NRZ signal using an SOA loop mirror,” IEEE Photon. Technol. Lett. 16, 1116–1118 (2004).
[Crossref]

Choi, J. Y.

H. J. Lee, H. G. Kim, J. Y. Choi, and H. K. Lee, “All-optical clock recovery from NRZ data with simple NRZ-to-PRZ converter based on self-phase modulation of semiconductor optical amplifier,” Electron. Lett. 35, 989–990 (1999).
[Crossref]

Chung, H. S.

S. B. Jun, K. J. Park, H. Kim, H. S. Chung, J. H. Lee, and Y. C. Chung, “Passive optical NRZ-to-RZ converter,” in Optical Fiber Communications Conference (Institute of Electrical and Electronics Engineers, Piscataway, N.J., 2004), Paper ThN1.

Chung, Y. C.

S. B. Jun, K. J. Park, H. Kim, H. S. Chung, J. H. Lee, and Y. C. Chung, “Passive optical NRZ-to-RZ converter,” in Optical Fiber Communications Conference (Institute of Electrical and Electronics Engineers, Piscataway, N.J., 2004), Paper ThN1.

Dahan, D.

A. Bilenca, D. Dahan, J. Lasri, G. Eisenstein, and D. Ritter, “High bit rate clock recovery of NRZ data by all-optical processing in a semiconductor optical amplifier and direct optical injection locking of a self-oscillating phototransistor,” IEEE Photon. Technol. Lett. 14, 399–401 (2002).
[Crossref]

Eisenstein, G.

A. Bilenca, D. Dahan, J. Lasri, G. Eisenstein, and D. Ritter, “High bit rate clock recovery of NRZ data by all-optical processing in a semiconductor optical amplifier and direct optical injection locking of a self-oscillating phototransistor,” IEEE Photon. Technol. Lett. 14, 399–401 (2002).
[Crossref]

Fiddyment, P. J.

P. E. Barnsley and P. J. Fiddyment, “Clock extraction using saturable absorption in a semiconductor nonlinear optical amplifier,” IEEE Photon. Technol. Lett. 3, 832–834 (1991).
[Crossref]

Franz, B.

B. Franz, “Optical signal processing for very high speed (>40 Gbit/s) ETDM binary NRZ clock recovery,” in Optical Fiber Communications Conference (Institute of Electrical and Electronics Engineers, Piscataway, N.J., 2001), Paper MG1.

Hong, W.

W. Hong, D. Huang, F. Cai, and Y. Wang, “Simultaneous clock component extraction and wavelength conversion of NRZ signal using an SOA loop mirror,” IEEE Photon. Technol. Lett. 16, 1116–1118 (2004).
[Crossref]

Huang, D.

W. Hong, D. Huang, F. Cai, and Y. Wang, “Simultaneous clock component extraction and wavelength conversion of NRZ signal using an SOA loop mirror,” IEEE Photon. Technol. Lett. 16, 1116–1118 (2004).
[Crossref]

Jeon, M. -Y.

H. K. Lee, C. H. Lee, S. B. Kang, M. -Y. Jeon, K. H. Kim, J. T. Ahn, and E. -H. Lee, “All-fibre-optic clock recovery from non-return-to-zero format data,” Electron. Lett. 34, 478–480 (1998).
[Crossref]

Jun, S. B.

S. B. Jun, K. J. Park, H. Kim, H. S. Chung, J. H. Lee, and Y. C. Chung, “Passive optical NRZ-to-RZ converter,” in Optical Fiber Communications Conference (Institute of Electrical and Electronics Engineers, Piscataway, N.J., 2004), Paper ThN1.

Kang, S. B.

H. K. Lee, C. H. Lee, S. B. Kang, M. -Y. Jeon, K. H. Kim, J. T. Ahn, and E. -H. Lee, “All-fibre-optic clock recovery from non-return-to-zero format data,” Electron. Lett. 34, 478–480 (1998).
[Crossref]

Kim, H.

S. B. Jun, K. J. Park, H. Kim, H. S. Chung, J. H. Lee, and Y. C. Chung, “Passive optical NRZ-to-RZ converter,” in Optical Fiber Communications Conference (Institute of Electrical and Electronics Engineers, Piscataway, N.J., 2004), Paper ThN1.

Kim, H. G.

H. J. Lee, H. G. Kim, J. Y. Choi, and H. K. Lee, “All-optical clock recovery from NRZ data with simple NRZ-to-PRZ converter based on self-phase modulation of semiconductor optical amplifier,” Electron. Lett. 35, 989–990 (1999).
[Crossref]

Kim, K. H.

H. K. Lee, C. H. Lee, S. B. Kang, M. -Y. Jeon, K. H. Kim, J. T. Ahn, and E. -H. Lee, “All-fibre-optic clock recovery from non-return-to-zero format data,” Electron. Lett. 34, 478–480 (1998).
[Crossref]

Lasri, J.

A. Bilenca, D. Dahan, J. Lasri, G. Eisenstein, and D. Ritter, “High bit rate clock recovery of NRZ data by all-optical processing in a semiconductor optical amplifier and direct optical injection locking of a self-oscillating phototransistor,” IEEE Photon. Technol. Lett. 14, 399–401 (2002).
[Crossref]

Lee, C. H.

H. K. Lee, C. H. Lee, S. B. Kang, M. -Y. Jeon, K. H. Kim, J. T. Ahn, and E. -H. Lee, “All-fibre-optic clock recovery from non-return-to-zero format data,” Electron. Lett. 34, 478–480 (1998).
[Crossref]

Lee, C. -H.

C. -H. Lee and H. K. Lee, “Passive all-optical clock signal extractor for non-return-to-zero signals,” Electron. Lett. 34, 295–297 (1998).
[Crossref]

Lee, E. -H.

H. K. Lee, C. H. Lee, S. B. Kang, M. -Y. Jeon, K. H. Kim, J. T. Ahn, and E. -H. Lee, “All-fibre-optic clock recovery from non-return-to-zero format data,” Electron. Lett. 34, 478–480 (1998).
[Crossref]

Lee, H. J.

H. J. Lee, H. G. Kim, J. Y. Choi, and H. K. Lee, “All-optical clock recovery from NRZ data with simple NRZ-to-PRZ converter based on self-phase modulation of semiconductor optical amplifier,” Electron. Lett. 35, 989–990 (1999).
[Crossref]

Lee, H. K.

H. J. Lee, H. G. Kim, J. Y. Choi, and H. K. Lee, “All-optical clock recovery from NRZ data with simple NRZ-to-PRZ converter based on self-phase modulation of semiconductor optical amplifier,” Electron. Lett. 35, 989–990 (1999).
[Crossref]

H. K. Lee, C. H. Lee, S. B. Kang, M. -Y. Jeon, K. H. Kim, J. T. Ahn, and E. -H. Lee, “All-fibre-optic clock recovery from non-return-to-zero format data,” Electron. Lett. 34, 478–480 (1998).
[Crossref]

C. -H. Lee and H. K. Lee, “Passive all-optical clock signal extractor for non-return-to-zero signals,” Electron. Lett. 34, 295–297 (1998).
[Crossref]

Lee, J. H.

S. B. Jun, K. J. Park, H. Kim, H. S. Chung, J. H. Lee, and Y. C. Chung, “Passive optical NRZ-to-RZ converter,” in Optical Fiber Communications Conference (Institute of Electrical and Electronics Engineers, Piscataway, N.J., 2004), Paper ThN1.

Li, G.

W. Mao, M. Al-Mumin, X. Wang, and G. Li, “All-optical enhancement of clock and clock-to-data suppression ratio of NRZ data,” IEEE Photon. Technol. Lett. 13, 239–241 (2001).
[Crossref]

Mao, W.

W. Mao, M. Al-Mumin, X. Wang, and G. Li, “All-optical enhancement of clock and clock-to-data suppression ratio of NRZ data,” IEEE Photon. Technol. Lett. 13, 239–241 (2001).
[Crossref]

Park, K. J.

S. B. Jun, K. J. Park, H. Kim, H. S. Chung, J. H. Lee, and Y. C. Chung, “Passive optical NRZ-to-RZ converter,” in Optical Fiber Communications Conference (Institute of Electrical and Electronics Engineers, Piscataway, N.J., 2004), Paper ThN1.

Ritter, D.

A. Bilenca, D. Dahan, J. Lasri, G. Eisenstein, and D. Ritter, “High bit rate clock recovery of NRZ data by all-optical processing in a semiconductor optical amplifier and direct optical injection locking of a self-oscillating phototransistor,” IEEE Photon. Technol. Lett. 14, 399–401 (2002).
[Crossref]

Wang, X.

W. Mao, M. Al-Mumin, X. Wang, and G. Li, “All-optical enhancement of clock and clock-to-data suppression ratio of NRZ data,” IEEE Photon. Technol. Lett. 13, 239–241 (2001).
[Crossref]

Wang, Y.

W. Hong, D. Huang, F. Cai, and Y. Wang, “Simultaneous clock component extraction and wavelength conversion of NRZ signal using an SOA loop mirror,” IEEE Photon. Technol. Lett. 16, 1116–1118 (2004).
[Crossref]

Electron. Lett. (3)

H. K. Lee, C. H. Lee, S. B. Kang, M. -Y. Jeon, K. H. Kim, J. T. Ahn, and E. -H. Lee, “All-fibre-optic clock recovery from non-return-to-zero format data,” Electron. Lett. 34, 478–480 (1998).
[Crossref]

C. -H. Lee and H. K. Lee, “Passive all-optical clock signal extractor for non-return-to-zero signals,” Electron. Lett. 34, 295–297 (1998).
[Crossref]

H. J. Lee, H. G. Kim, J. Y. Choi, and H. K. Lee, “All-optical clock recovery from NRZ data with simple NRZ-to-PRZ converter based on self-phase modulation of semiconductor optical amplifier,” Electron. Lett. 35, 989–990 (1999).
[Crossref]

IEEE Photon. Technol. Lett. (4)

W. Mao, M. Al-Mumin, X. Wang, and G. Li, “All-optical enhancement of clock and clock-to-data suppression ratio of NRZ data,” IEEE Photon. Technol. Lett. 13, 239–241 (2001).
[Crossref]

A. Bilenca, D. Dahan, J. Lasri, G. Eisenstein, and D. Ritter, “High bit rate clock recovery of NRZ data by all-optical processing in a semiconductor optical amplifier and direct optical injection locking of a self-oscillating phototransistor,” IEEE Photon. Technol. Lett. 14, 399–401 (2002).
[Crossref]

W. Hong, D. Huang, F. Cai, and Y. Wang, “Simultaneous clock component extraction and wavelength conversion of NRZ signal using an SOA loop mirror,” IEEE Photon. Technol. Lett. 16, 1116–1118 (2004).
[Crossref]

P. E. Barnsley and P. J. Fiddyment, “Clock extraction using saturable absorption in a semiconductor nonlinear optical amplifier,” IEEE Photon. Technol. Lett. 3, 832–834 (1991).
[Crossref]

Other (2)

S. B. Jun, K. J. Park, H. Kim, H. S. Chung, J. H. Lee, and Y. C. Chung, “Passive optical NRZ-to-RZ converter,” in Optical Fiber Communications Conference (Institute of Electrical and Electronics Engineers, Piscataway, N.J., 2004), Paper ThN1.

B. Franz, “Optical signal processing for very high speed (>40 Gbit/s) ETDM binary NRZ clock recovery,” in Optical Fiber Communications Conference (Institute of Electrical and Electronics Engineers, Piscataway, N.J., 2001), Paper MG1.

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Figures (6)

Fig. 1.
Fig. 1.

Temporal pulse shape, decompositions and spectra of electrical (upper) and optical (lower) NRZ signal with finite rise and fall time.

Fig. 2.
Fig. 2.

(a) Experimental setup. PC: polarization controller; MOD: modulator. (b) Transmission spectrum of FBG.

Fig. 3.
Fig. 3.

(a) Measured optical spectrum and (b) Measured RF spectrum of the input 40 Gbit/s NRZ data.

Fig. 4.
Fig. 4.

(a) Measured optical spectrum, (b) Measured RF spectrum, (c) Simulated optical spectrum with resolution of 10 MHz (black) and 7.5 GHz (or 0.06 nm) (blue) and (d) Simulated RF spectrum of the optical carrier-removed signal.

Fig. 5.
Fig. 5.

(a) Measured optical spectrum, (b) Measured RF spectrum, (c) Simulated optical spectrum with resolution of 10 MHz (black) and 7.5 GHz (or 0.06 nm) (blue) and (d) Simulated RF spectrum of the optical clock-component-removed signal.

Fig. 6.
Fig. 6.

(a) Eye diagram of the input 40 Gbit/s NRZ data (20 ps/div) (b) Eye diagram of the optical clock-component-removed signal (20 ps/div).

Equations (5)

Equations on this page are rendered with MathJax. Learn more.

R ˜ ( f ) = R ( f ) e j 2 π f ( T 2 ) R ( f ) e j 2 π f ( T 2 )
S o ( t ) = A 0 d ( t ) · exp ( j ω c t ) = [ a 0 + n 0 a n exp ( jn ω 0 t ) ] · exp ( j ω c t )
S e ( t ) = a 0 + n 0 a n exp ( jn ω 0 t ) S o ( t ) 2
a N n = 0 , ± N , ± 2 N , a n a n + N + n 0 , ± N , ± 2 N , a n a n + N
a N a 0 ( a N + a N ) + n = 1 N 1 a n a n N

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