Abstract

We present a novel design for quadrature phase detection utilizing two-mode optical waveguides for optical interferometric systems. A pair of interferometric signals having quadrature optical phase information can be obtained from the near-field and far-field patterns of a two-mode waveguide output. The operational principle is based on a π/2 differential phase shift between two modal beams occurring during their transition from near-field to far-field radiation patterns.

© 1989 Optical Society of America

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References

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  1. J. H. Cole, B. A. Danver, J. A. Bucaro, IEEE J. Quantum Electron. QE-18, 694 (1982).
    [CrossRef]
  2. B. Y. Kim, H. J. Shaw, Opt. Lett. 9, 378 (1984).
    [CrossRef] [PubMed]
  3. Th. Niemeier, R. Ulrich, Opt. Lett. 11, 677 (1986).
    [CrossRef] [PubMed]
  4. S. K. Sheem, Appl. Phys. Lett. 37, 869 (1980).
    [CrossRef]
  5. D. W. Stowe, T. Y. Hsu, IEEE J. Lightwave Technol. LT-1, 519 (1983).
    [CrossRef]
  6. B. Y. Kim, J. N. Blake, S. Y. Huang, H. J. Shaw, Opt. Lett. 12, 729 (1987).
    [CrossRef] [PubMed]
  7. J. N. Blake, S. Y. Huang, B. Y. Kim, H. J. Shaw, Opt. Lett. 12, 732 (1987).
    [CrossRef] [PubMed]
  8. A. E. Siegman, Lasers (University Science Books, Mill Valley, Calif., 1986), Chap. 17 and references therein.
  9. A. Yariv, Quantum Electronics, 2nd ed. (Wiley, New York, 1975), pp. 113–121.
  10. S. Y. Huang, J. N. Blake, B. Y. Kim, “Perturbation effects of mode propagation in highly elliptical core two-mode fibers,” IEEE J. Lightwave Technol. (to be published).
  11. W. V. Sorin, B. Y. Kim, H. J. Shaw, Opt. Lett. 11, 581 (1986).
    [CrossRef] [PubMed]

1987

1986

1984

1983

D. W. Stowe, T. Y. Hsu, IEEE J. Lightwave Technol. LT-1, 519 (1983).
[CrossRef]

1982

J. H. Cole, B. A. Danver, J. A. Bucaro, IEEE J. Quantum Electron. QE-18, 694 (1982).
[CrossRef]

1980

S. K. Sheem, Appl. Phys. Lett. 37, 869 (1980).
[CrossRef]

Blake, J. N.

B. Y. Kim, J. N. Blake, S. Y. Huang, H. J. Shaw, Opt. Lett. 12, 729 (1987).
[CrossRef] [PubMed]

J. N. Blake, S. Y. Huang, B. Y. Kim, H. J. Shaw, Opt. Lett. 12, 732 (1987).
[CrossRef] [PubMed]

S. Y. Huang, J. N. Blake, B. Y. Kim, “Perturbation effects of mode propagation in highly elliptical core two-mode fibers,” IEEE J. Lightwave Technol. (to be published).

Bucaro, J. A.

J. H. Cole, B. A. Danver, J. A. Bucaro, IEEE J. Quantum Electron. QE-18, 694 (1982).
[CrossRef]

Cole, J. H.

J. H. Cole, B. A. Danver, J. A. Bucaro, IEEE J. Quantum Electron. QE-18, 694 (1982).
[CrossRef]

Danver, B. A.

J. H. Cole, B. A. Danver, J. A. Bucaro, IEEE J. Quantum Electron. QE-18, 694 (1982).
[CrossRef]

Hsu, T. Y.

D. W. Stowe, T. Y. Hsu, IEEE J. Lightwave Technol. LT-1, 519 (1983).
[CrossRef]

Huang, S. Y.

B. Y. Kim, J. N. Blake, S. Y. Huang, H. J. Shaw, Opt. Lett. 12, 729 (1987).
[CrossRef] [PubMed]

J. N. Blake, S. Y. Huang, B. Y. Kim, H. J. Shaw, Opt. Lett. 12, 732 (1987).
[CrossRef] [PubMed]

S. Y. Huang, J. N. Blake, B. Y. Kim, “Perturbation effects of mode propagation in highly elliptical core two-mode fibers,” IEEE J. Lightwave Technol. (to be published).

Kim, B. Y.

Niemeier, Th.

Shaw, H. J.

Sheem, S. K.

S. K. Sheem, Appl. Phys. Lett. 37, 869 (1980).
[CrossRef]

Siegman, A. E.

A. E. Siegman, Lasers (University Science Books, Mill Valley, Calif., 1986), Chap. 17 and references therein.

Sorin, W. V.

Stowe, D. W.

D. W. Stowe, T. Y. Hsu, IEEE J. Lightwave Technol. LT-1, 519 (1983).
[CrossRef]

Ulrich, R.

Yariv, A.

A. Yariv, Quantum Electronics, 2nd ed. (Wiley, New York, 1975), pp. 113–121.

Appl. Phys. Lett.

S. K. Sheem, Appl. Phys. Lett. 37, 869 (1980).
[CrossRef]

IEEE J. Lightwave Technol.

D. W. Stowe, T. Y. Hsu, IEEE J. Lightwave Technol. LT-1, 519 (1983).
[CrossRef]

IEEE J. Quantum Electron.

J. H. Cole, B. A. Danver, J. A. Bucaro, IEEE J. Quantum Electron. QE-18, 694 (1982).
[CrossRef]

Opt. Lett.

Other

A. E. Siegman, Lasers (University Science Books, Mill Valley, Calif., 1986), Chap. 17 and references therein.

A. Yariv, Quantum Electronics, 2nd ed. (Wiley, New York, 1975), pp. 113–121.

S. Y. Huang, J. N. Blake, B. Y. Kim, “Perturbation effects of mode propagation in highly elliptical core two-mode fibers,” IEEE J. Lightwave Technol. (to be published).

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Figures (4)

Fig. 1
Fig. 1

Experimental configuration for passive quadrature phase detection.

Fig. 2
Fig. 2

Photographs of the projected patterns for different Δϕ0 values, (a) Screen 1, near field; (b) screen 2, far field.

Fig. 3
Fig. 3

Measured quadrature output signals as a function of the fiber extension.

Fig. 4
Fig. 4

Schematics of (a) a Mach–Zehnder interferometer and (b) a coherent communication receiver, both with passive quadrature phase detection. S, source; DC, directional coupler; L, lens; BS, beam splitter.

Equations (3)

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E l m ( x , y , z ) = A l m ( x , y , z ) × exp { i [ k z k ( x 2 + y 2 ) 2 R ( z ) + ( l + m + 1 ) η ( z ) ] } ,
R ( z ) = z ( 1 + z 0 2 z 2 )
η ( z ) = tan 1 ( z z 0 ) ,

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