Abstract

As an extension of an existing electron-beam deflector, an optical analog-to-digital conversion scheme is presented. As a fast θ modulator, we used a wide-band acousto-optic deflector that performs a voltage-to-optical beam-deflection-angle mapping. Using a GaP acousto-optic deflector, we experimentally demonstrate a proof-of-principle 6-bit analog-to-digital converter.

© 1991 Optical Society of America

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References

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  1. E. E. Harris, C. A. Hamilton, F. L. Lloyd, “Multiple-quantum interference superconducting analog-to-digital converter,” Appl. Phys. Lett. 35, 720–721 (1979).
    [Crossref]
  2. H. F. Taylor, “An electrooptic analog-to-digital converter,” Proc. IEEE 63, 1524–1525 (1975).
    [Crossref]
  3. R. A. Becker, C. E. Woodward, F. J. Leonberger, R. C. Wiliamson, “Wide-band electrooptic guided-wave analog-to-digital converter,” Proc. IEEE 72, 802–819 (1984).
    [Crossref]
  4. C. L. Chang, C. S. Tsai, “Electro-optic analog-to-digital converter using channel waveguide Fabry–Perot modulator array,” Appl. Phys. Lett. 43, 22–24 (1983).
    [Crossref]
  5. A. D. McAulay, “Optical analog to digital converter using optical logic and table look-up,” Opt. Eng. 29, 114–120 (1990).
    [Crossref]
  6. R. W. Sears, “Beam deflection tube for coding in PCM,” Bell Lab. Rec. 26, 411–415 (1948).
  7. L. A. Meacham, E. Peterson, “An experimental multichannel pulse code modulation system of toll quality,” Bell. Syst. Tech. J. 27, 1–43 (1948).
  8. R. W. Sears, “Electron Beam Deflection Tube for Pulse Code Modulation,” Bell Syst. Tech. J. 27, 44–57 (1948).
  9. H. S. Black, Modulation Theory (Van Nostrand, Princeton, N.J., 1953), Chap. 19.
  10. T. M. Turpin, “Spectrum analysis using optical processing,” Proc. IEEE 69, 79–92 (1981).
    [Crossref]
  11. E. H. Young, S. K. Yao, “Design considerations for acousto-optic devices,” Proc. IEEE 69, 54–64 (1981).
    [Crossref]
  12. W. T. Rhodes, “Acousto-optic signal processing: convolution and correlation,” Proc. IEEE 69, 65–79 (1981).
    [Crossref]
  13. N. J. Berg, J. N. Lee, eds., Acousto-Optic Signal Processing—Theory and Implementation (Dekker, New York, 1982).

1990 (1)

A. D. McAulay, “Optical analog to digital converter using optical logic and table look-up,” Opt. Eng. 29, 114–120 (1990).
[Crossref]

1984 (1)

R. A. Becker, C. E. Woodward, F. J. Leonberger, R. C. Wiliamson, “Wide-band electrooptic guided-wave analog-to-digital converter,” Proc. IEEE 72, 802–819 (1984).
[Crossref]

1983 (1)

C. L. Chang, C. S. Tsai, “Electro-optic analog-to-digital converter using channel waveguide Fabry–Perot modulator array,” Appl. Phys. Lett. 43, 22–24 (1983).
[Crossref]

1981 (3)

T. M. Turpin, “Spectrum analysis using optical processing,” Proc. IEEE 69, 79–92 (1981).
[Crossref]

E. H. Young, S. K. Yao, “Design considerations for acousto-optic devices,” Proc. IEEE 69, 54–64 (1981).
[Crossref]

W. T. Rhodes, “Acousto-optic signal processing: convolution and correlation,” Proc. IEEE 69, 65–79 (1981).
[Crossref]

1979 (1)

E. E. Harris, C. A. Hamilton, F. L. Lloyd, “Multiple-quantum interference superconducting analog-to-digital converter,” Appl. Phys. Lett. 35, 720–721 (1979).
[Crossref]

1975 (1)

H. F. Taylor, “An electrooptic analog-to-digital converter,” Proc. IEEE 63, 1524–1525 (1975).
[Crossref]

1948 (3)

R. W. Sears, “Beam deflection tube for coding in PCM,” Bell Lab. Rec. 26, 411–415 (1948).

L. A. Meacham, E. Peterson, “An experimental multichannel pulse code modulation system of toll quality,” Bell. Syst. Tech. J. 27, 1–43 (1948).

R. W. Sears, “Electron Beam Deflection Tube for Pulse Code Modulation,” Bell Syst. Tech. J. 27, 44–57 (1948).

Becker, R. A.

R. A. Becker, C. E. Woodward, F. J. Leonberger, R. C. Wiliamson, “Wide-band electrooptic guided-wave analog-to-digital converter,” Proc. IEEE 72, 802–819 (1984).
[Crossref]

Black, H. S.

H. S. Black, Modulation Theory (Van Nostrand, Princeton, N.J., 1953), Chap. 19.

Chang, C. L.

C. L. Chang, C. S. Tsai, “Electro-optic analog-to-digital converter using channel waveguide Fabry–Perot modulator array,” Appl. Phys. Lett. 43, 22–24 (1983).
[Crossref]

Hamilton, C. A.

E. E. Harris, C. A. Hamilton, F. L. Lloyd, “Multiple-quantum interference superconducting analog-to-digital converter,” Appl. Phys. Lett. 35, 720–721 (1979).
[Crossref]

Harris, E. E.

E. E. Harris, C. A. Hamilton, F. L. Lloyd, “Multiple-quantum interference superconducting analog-to-digital converter,” Appl. Phys. Lett. 35, 720–721 (1979).
[Crossref]

Leonberger, F. J.

R. A. Becker, C. E. Woodward, F. J. Leonberger, R. C. Wiliamson, “Wide-band electrooptic guided-wave analog-to-digital converter,” Proc. IEEE 72, 802–819 (1984).
[Crossref]

Lloyd, F. L.

E. E. Harris, C. A. Hamilton, F. L. Lloyd, “Multiple-quantum interference superconducting analog-to-digital converter,” Appl. Phys. Lett. 35, 720–721 (1979).
[Crossref]

McAulay, A. D.

A. D. McAulay, “Optical analog to digital converter using optical logic and table look-up,” Opt. Eng. 29, 114–120 (1990).
[Crossref]

Meacham, L. A.

L. A. Meacham, E. Peterson, “An experimental multichannel pulse code modulation system of toll quality,” Bell. Syst. Tech. J. 27, 1–43 (1948).

Peterson, E.

L. A. Meacham, E. Peterson, “An experimental multichannel pulse code modulation system of toll quality,” Bell. Syst. Tech. J. 27, 1–43 (1948).

Rhodes, W. T.

W. T. Rhodes, “Acousto-optic signal processing: convolution and correlation,” Proc. IEEE 69, 65–79 (1981).
[Crossref]

Sears, R. W.

R. W. Sears, “Electron Beam Deflection Tube for Pulse Code Modulation,” Bell Syst. Tech. J. 27, 44–57 (1948).

R. W. Sears, “Beam deflection tube for coding in PCM,” Bell Lab. Rec. 26, 411–415 (1948).

Taylor, H. F.

H. F. Taylor, “An electrooptic analog-to-digital converter,” Proc. IEEE 63, 1524–1525 (1975).
[Crossref]

Tsai, C. S.

C. L. Chang, C. S. Tsai, “Electro-optic analog-to-digital converter using channel waveguide Fabry–Perot modulator array,” Appl. Phys. Lett. 43, 22–24 (1983).
[Crossref]

Turpin, T. M.

T. M. Turpin, “Spectrum analysis using optical processing,” Proc. IEEE 69, 79–92 (1981).
[Crossref]

Wiliamson, R. C.

R. A. Becker, C. E. Woodward, F. J. Leonberger, R. C. Wiliamson, “Wide-band electrooptic guided-wave analog-to-digital converter,” Proc. IEEE 72, 802–819 (1984).
[Crossref]

Woodward, C. E.

R. A. Becker, C. E. Woodward, F. J. Leonberger, R. C. Wiliamson, “Wide-band electrooptic guided-wave analog-to-digital converter,” Proc. IEEE 72, 802–819 (1984).
[Crossref]

Yao, S. K.

E. H. Young, S. K. Yao, “Design considerations for acousto-optic devices,” Proc. IEEE 69, 54–64 (1981).
[Crossref]

Young, E. H.

E. H. Young, S. K. Yao, “Design considerations for acousto-optic devices,” Proc. IEEE 69, 54–64 (1981).
[Crossref]

Appl. Phys. Lett. (2)

E. E. Harris, C. A. Hamilton, F. L. Lloyd, “Multiple-quantum interference superconducting analog-to-digital converter,” Appl. Phys. Lett. 35, 720–721 (1979).
[Crossref]

C. L. Chang, C. S. Tsai, “Electro-optic analog-to-digital converter using channel waveguide Fabry–Perot modulator array,” Appl. Phys. Lett. 43, 22–24 (1983).
[Crossref]

Bell Lab. Rec. (1)

R. W. Sears, “Beam deflection tube for coding in PCM,” Bell Lab. Rec. 26, 411–415 (1948).

Bell Syst. Tech. J. (1)

R. W. Sears, “Electron Beam Deflection Tube for Pulse Code Modulation,” Bell Syst. Tech. J. 27, 44–57 (1948).

Bell. Syst. Tech. J. (1)

L. A. Meacham, E. Peterson, “An experimental multichannel pulse code modulation system of toll quality,” Bell. Syst. Tech. J. 27, 1–43 (1948).

Opt. Eng. (1)

A. D. McAulay, “Optical analog to digital converter using optical logic and table look-up,” Opt. Eng. 29, 114–120 (1990).
[Crossref]

Proc. IEEE (5)

H. F. Taylor, “An electrooptic analog-to-digital converter,” Proc. IEEE 63, 1524–1525 (1975).
[Crossref]

R. A. Becker, C. E. Woodward, F. J. Leonberger, R. C. Wiliamson, “Wide-band electrooptic guided-wave analog-to-digital converter,” Proc. IEEE 72, 802–819 (1984).
[Crossref]

T. M. Turpin, “Spectrum analysis using optical processing,” Proc. IEEE 69, 79–92 (1981).
[Crossref]

E. H. Young, S. K. Yao, “Design considerations for acousto-optic devices,” Proc. IEEE 69, 54–64 (1981).
[Crossref]

W. T. Rhodes, “Acousto-optic signal processing: convolution and correlation,” Proc. IEEE 69, 65–79 (1981).
[Crossref]

Other (2)

N. J. Berg, J. N. Lee, eds., Acousto-Optic Signal Processing—Theory and Implementation (Dekker, New York, 1982).

H. S. Black, Modulation Theory (Van Nostrand, Princeton, N.J., 1953), Chap. 19.

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Figures (3)

Fig. 1
Fig. 1

Schematic A-O TMTL A/D converter.

Fig. 2
Fig. 2

Experimental results of a 6-bit A/D converter. The analog input is shown at the top, and oscilloscope traces of all six converted signals as functions of analog-input voltage are shown at the bottom. The least- to the most-significant bits are shown from top to bottom.

Fig. 3
Fig. 3

Experimental charge-coupled device camera recorded results for analog-input (binary-output) pairs: (a) 10 (001010), (b) 42 (101010), (c) 53 (110101), (d) 63 (111111).

Equations (5)

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θ ( V M ) = C λ ν A V M , 0 V M Δ F C ,
d y Δ y = 2 f λ L y ,
M f λ Δ F ν A d y = τ Δ F 2 ,
f s 2 N Δ F .
N log 2 [ Δ F L y | ( d θ / d V ) | min 2 λ C ( V 0 ) ] N ,

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