Abstract

A novel phase-shifted optical quantization scheme for an all-optical analog-to-digital converter, which uses 4×4 multimode interference couplers, is demonstrated and theoretically analyzed. The whole scheme can be integrated on a chip.

© 2012 Optical Society of America

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References

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  1. H. Taylor, IEEE J. Quantum Electron. 15, 210 (1979).
    [CrossRef]
  2. J. Stigwall and S. Galt, IEEE Photon. Technol. Lett. 17, 468 (2005).
    [CrossRef]
  3. J. Stigwall and S. Galt, J. Lightwave Technol. 24, 1247 (2006).
    [CrossRef]
  4. C. H. Sarantos and N. Dagli, Opt. Express 18, 14598 (2010).
    [CrossRef]
  5. Q. Wu, H. Zhang, M. Yao, and W. Zhou, IEEE Photon. Technol. Lett. 19, 625 (2007).
    [CrossRef]
  6. S. Jeong and K. Morito, J. Lightwave Technol. 28, 1323 (2010).
    [CrossRef]
  7. M. Bachmann, P. A. Besse, and H. Melchior, Appl. Opt. 33, 3905 (1994).
    [CrossRef]
  8. M. Bachmann, P. A. Besse, and H. Melchior, Appl. Opt. 34, 6898 (1995).
    [CrossRef]
  9. R. H. Walden, IEEE J. Sel. Areas Commun. 17, 539 (1999).
    [CrossRef]
  10. R. van de Plassche, CMOS Integrated Analog-to-Digital and Digital-to-Analog Converters, 2nd ed. (Kluwer, 2003).
  11. K. H. Lundberg, “High-Speed Analog-to-Digital Converter Survey,” http://web.mit.edu/klund/www/papers/UNP_flash.pdf (2006).

2010 (2)

2007 (1)

Q. Wu, H. Zhang, M. Yao, and W. Zhou, IEEE Photon. Technol. Lett. 19, 625 (2007).
[CrossRef]

2006 (1)

2005 (1)

J. Stigwall and S. Galt, IEEE Photon. Technol. Lett. 17, 468 (2005).
[CrossRef]

1999 (1)

R. H. Walden, IEEE J. Sel. Areas Commun. 17, 539 (1999).
[CrossRef]

1995 (1)

1994 (1)

1979 (1)

H. Taylor, IEEE J. Quantum Electron. 15, 210 (1979).
[CrossRef]

Bachmann, M.

Besse, P. A.

Dagli, N.

Galt, S.

J. Stigwall and S. Galt, J. Lightwave Technol. 24, 1247 (2006).
[CrossRef]

J. Stigwall and S. Galt, IEEE Photon. Technol. Lett. 17, 468 (2005).
[CrossRef]

Jeong, S.

Melchior, H.

Morito, K.

Sarantos, C. H.

Stigwall, J.

J. Stigwall and S. Galt, J. Lightwave Technol. 24, 1247 (2006).
[CrossRef]

J. Stigwall and S. Galt, IEEE Photon. Technol. Lett. 17, 468 (2005).
[CrossRef]

Taylor, H.

H. Taylor, IEEE J. Quantum Electron. 15, 210 (1979).
[CrossRef]

van de Plassche, R.

R. van de Plassche, CMOS Integrated Analog-to-Digital and Digital-to-Analog Converters, 2nd ed. (Kluwer, 2003).

Walden, R. H.

R. H. Walden, IEEE J. Sel. Areas Commun. 17, 539 (1999).
[CrossRef]

Wu, Q.

Q. Wu, H. Zhang, M. Yao, and W. Zhou, IEEE Photon. Technol. Lett. 19, 625 (2007).
[CrossRef]

Yao, M.

Q. Wu, H. Zhang, M. Yao, and W. Zhou, IEEE Photon. Technol. Lett. 19, 625 (2007).
[CrossRef]

Zhang, H.

Q. Wu, H. Zhang, M. Yao, and W. Zhou, IEEE Photon. Technol. Lett. 19, 625 (2007).
[CrossRef]

Zhou, W.

Q. Wu, H. Zhang, M. Yao, and W. Zhou, IEEE Photon. Technol. Lett. 19, 625 (2007).
[CrossRef]

Appl. Opt. (2)

IEEE J. Quantum Electron. (1)

H. Taylor, IEEE J. Quantum Electron. 15, 210 (1979).
[CrossRef]

IEEE J. Sel. Areas Commun. (1)

R. H. Walden, IEEE J. Sel. Areas Commun. 17, 539 (1999).
[CrossRef]

IEEE Photon. Technol. Lett. (2)

J. Stigwall and S. Galt, IEEE Photon. Technol. Lett. 17, 468 (2005).
[CrossRef]

Q. Wu, H. Zhang, M. Yao, and W. Zhou, IEEE Photon. Technol. Lett. 19, 625 (2007).
[CrossRef]

J. Lightwave Technol. (2)

Opt. Express (1)

Other (2)

R. van de Plassche, CMOS Integrated Analog-to-Digital and Digital-to-Analog Converters, 2nd ed. (Kluwer, 2003).

K. H. Lundberg, “High-Speed Analog-to-Digital Converter Survey,” http://web.mit.edu/klund/www/papers/UNP_flash.pdf (2006).

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Figures (6)

Fig. 1.
Fig. 1.

Schematic setup of the proposed 2-bit ADC.

Fig. 2.
Fig. 2.

Transfer function profile of a 4×4 MMI coupler.

Fig. 3.
Fig. 3.

Transfer function of a two-channel 4×4 MMI (a) without an extra phase increment and (b) with an extra 45° phase increment.

Fig. 4.
Fig. 4.

Transmission characteristics of four output channels with the corresponding quantization codes and digitized value.

Fig. 5.
Fig. 5.

Schematic setup of the 3-bit phase-shifted optical quantization ADC with two 4×4 MMI couplers.

Fig. 6.
Fig. 6.

ENOB of the proposed ADC scheme as a function of the phase jitters of the outputs of signal channels for Nb=2,,10 resolution bits.

Equations (7)

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Es=Ps·ejwt·ejφs,Ep=Pp·ejwt·ejφp,
[E1E2E3E4]=κ44·[10ej(π4)0ej(3π4)010ej(π4)01010ej(3π4)0]·[Es0Ep0],
Δφ=φsφp=π·(Vs/Vλ/2),
Nb=log2(4N4×4),N4×4=2n,n=0,1,2,3.
ENOB=SNR1.76Nb=10log10{Vπ22Δ212+i=1N[1N(δθiπ/Vπ)2]}1.76Nb,Δ=VπN=Vπ2Nb1,
δθi<δθmax=π12N=π3×2Nb.
ai<amax=sin(π3×2Nb)2,

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