Abstract

Using the coupling between a standard single-mode fiber and single higher-order modes in a high-index overlay waveguide, we demonstrate a wavelength-filtering device with a channel-dropping response. Two types of filter are described. One uses a thin overlay waveguide, giving a single tunable dropped band response in the 1.2–1.6-μm wavelength region with rejection greater than 20 dB and an insertion loss of about 0.5 dB. The other uses a thick overlay waveguide and gives a comb-filter response with a dropped channel spacing of 13 nm with 20-dB rejection and an insertion loss of between 1 and 4 dB.

© 1987 Optical Society of America

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References

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  1. J. R. Stern, Links for Future Science, Systems and Services for Communications (IEEE/Elsevier, New York, 1984), p. 884.
  2. C. A. Millar, S. R. Mallinson, in Digest of Workshop on Optical Fabrication and Testing (Optical Society of America, Washington, D. C., 1985), paper WAA3.1.
  3. W. A. Stallard, A. R. Beaumont, R. C. Booth, IEEE J. Lightwave Technol. LT-4, 852 (1986).
    [CrossRef]
  4. R. Bergh, G. Kotler, H. J. Shaw, Electron. Lett. 16, 929 (1980).
    [CrossRef]
  5. C. A. Millar, B. J. Ainslie, M. C. Brierley, S. P. Craig, Electron. Lett. 22, 322 (1986).
    [CrossRef]
  6. B. K. Nayar, D. R. Smith, Br. Telecommun. Tech. J. 2, 1 (1984).
  7. B. K. Nayar, in Integrated Optics, H. P. Nolting, R. Ulrich, eds., Vol. 84 of Springer Series in Optical Sciences (Springer-Verlag, Berlin, 1985).
  8. B. Lamouroux, A. Orszag, B. Prade, J. Y. Vinet, Opt. Lett. 8, 504 (1983).
    [CrossRef] [PubMed]
  9. D. Marcuse, Electron. Lett. 21, 727 (1985).
    [CrossRef]
  10. M. S. Whalen, K. L. Walker, Electron. Lett. 21, 725 (1985).
  11. P. K. Tien, Appl. Opt. 10, 2395 (1971).
    [CrossRef] [PubMed]
  12. J. Arnaud, Bell Syst. Tech. J. 4, 675 (1974).
  13. J. V. Wright, British Telecom Research Laboratories, Martlesham Heath, Ipswich, Suffolk, UK (personal communication).
  14. Cargille refractive-index liquids, Cargille, Inc., Cedar Grove, N. J. 07009.

1986

W. A. Stallard, A. R. Beaumont, R. C. Booth, IEEE J. Lightwave Technol. LT-4, 852 (1986).
[CrossRef]

C. A. Millar, B. J. Ainslie, M. C. Brierley, S. P. Craig, Electron. Lett. 22, 322 (1986).
[CrossRef]

1985

D. Marcuse, Electron. Lett. 21, 727 (1985).
[CrossRef]

M. S. Whalen, K. L. Walker, Electron. Lett. 21, 725 (1985).

1984

B. K. Nayar, D. R. Smith, Br. Telecommun. Tech. J. 2, 1 (1984).

1983

1980

R. Bergh, G. Kotler, H. J. Shaw, Electron. Lett. 16, 929 (1980).
[CrossRef]

1974

J. Arnaud, Bell Syst. Tech. J. 4, 675 (1974).

1971

Ainslie, B. J.

C. A. Millar, B. J. Ainslie, M. C. Brierley, S. P. Craig, Electron. Lett. 22, 322 (1986).
[CrossRef]

Arnaud, J.

J. Arnaud, Bell Syst. Tech. J. 4, 675 (1974).

Beaumont, A. R.

W. A. Stallard, A. R. Beaumont, R. C. Booth, IEEE J. Lightwave Technol. LT-4, 852 (1986).
[CrossRef]

Bergh, R.

R. Bergh, G. Kotler, H. J. Shaw, Electron. Lett. 16, 929 (1980).
[CrossRef]

Booth, R. C.

W. A. Stallard, A. R. Beaumont, R. C. Booth, IEEE J. Lightwave Technol. LT-4, 852 (1986).
[CrossRef]

Brierley, M. C.

C. A. Millar, B. J. Ainslie, M. C. Brierley, S. P. Craig, Electron. Lett. 22, 322 (1986).
[CrossRef]

Craig, S. P.

C. A. Millar, B. J. Ainslie, M. C. Brierley, S. P. Craig, Electron. Lett. 22, 322 (1986).
[CrossRef]

Kotler, G.

R. Bergh, G. Kotler, H. J. Shaw, Electron. Lett. 16, 929 (1980).
[CrossRef]

Lamouroux, B.

Mallinson, S. R.

C. A. Millar, S. R. Mallinson, in Digest of Workshop on Optical Fabrication and Testing (Optical Society of America, Washington, D. C., 1985), paper WAA3.1.

Marcuse, D.

D. Marcuse, Electron. Lett. 21, 727 (1985).
[CrossRef]

Millar, C. A.

C. A. Millar, B. J. Ainslie, M. C. Brierley, S. P. Craig, Electron. Lett. 22, 322 (1986).
[CrossRef]

C. A. Millar, S. R. Mallinson, in Digest of Workshop on Optical Fabrication and Testing (Optical Society of America, Washington, D. C., 1985), paper WAA3.1.

Nayar, B. K.

B. K. Nayar, D. R. Smith, Br. Telecommun. Tech. J. 2, 1 (1984).

B. K. Nayar, in Integrated Optics, H. P. Nolting, R. Ulrich, eds., Vol. 84 of Springer Series in Optical Sciences (Springer-Verlag, Berlin, 1985).

Orszag, A.

Prade, B.

Shaw, H. J.

R. Bergh, G. Kotler, H. J. Shaw, Electron. Lett. 16, 929 (1980).
[CrossRef]

Smith, D. R.

B. K. Nayar, D. R. Smith, Br. Telecommun. Tech. J. 2, 1 (1984).

Stallard, W. A.

W. A. Stallard, A. R. Beaumont, R. C. Booth, IEEE J. Lightwave Technol. LT-4, 852 (1986).
[CrossRef]

Stern, J. R.

J. R. Stern, Links for Future Science, Systems and Services for Communications (IEEE/Elsevier, New York, 1984), p. 884.

Tien, P. K.

Vinet, J. Y.

Walker, K. L.

M. S. Whalen, K. L. Walker, Electron. Lett. 21, 725 (1985).

Whalen, M. S.

M. S. Whalen, K. L. Walker, Electron. Lett. 21, 725 (1985).

Wright, J. V.

J. V. Wright, British Telecom Research Laboratories, Martlesham Heath, Ipswich, Suffolk, UK (personal communication).

Appl. Opt.

Bell Syst. Tech. J.

J. Arnaud, Bell Syst. Tech. J. 4, 675 (1974).

Br. Telecommun. Tech. J.

B. K. Nayar, D. R. Smith, Br. Telecommun. Tech. J. 2, 1 (1984).

Electron. Lett.

R. Bergh, G. Kotler, H. J. Shaw, Electron. Lett. 16, 929 (1980).
[CrossRef]

C. A. Millar, B. J. Ainslie, M. C. Brierley, S. P. Craig, Electron. Lett. 22, 322 (1986).
[CrossRef]

D. Marcuse, Electron. Lett. 21, 727 (1985).
[CrossRef]

M. S. Whalen, K. L. Walker, Electron. Lett. 21, 725 (1985).

IEEE J. Lightwave Technol.

W. A. Stallard, A. R. Beaumont, R. C. Booth, IEEE J. Lightwave Technol. LT-4, 852 (1986).
[CrossRef]

Opt. Lett.

Other

B. K. Nayar, in Integrated Optics, H. P. Nolting, R. Ulrich, eds., Vol. 84 of Springer Series in Optical Sciences (Springer-Verlag, Berlin, 1985).

J. R. Stern, Links for Future Science, Systems and Services for Communications (IEEE/Elsevier, New York, 1984), p. 884.

C. A. Millar, S. R. Mallinson, in Digest of Workshop on Optical Fabrication and Testing (Optical Society of America, Washington, D. C., 1985), paper WAA3.1.

J. V. Wright, British Telecom Research Laboratories, Martlesham Heath, Ipswich, Suffolk, UK (personal communication).

Cargille refractive-index liquids, Cargille, Inc., Cedar Grove, N. J. 07009.

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Figures (3)

Fig. 1
Fig. 1

Experimental construction of channel-dropping filter.

Fig. 2
Fig. 2

Channel-dropping response for a thin oil overlay waveguide; resolution 2 nm, nD = 1.62. a, Estimated film thickness 1.08 μm. b, Estimated film thickness 0.91 μm.

Fig. 3
Fig. 3

Channel-dropping response for a thick overlay waveguide; resolution 2 nm, nD = 1.69. Estimated thickness 81 μm.

Equations (3)

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

n g > n e g > n s .
2 π ( n g 2 - n e g 2 ) 1 / 2 t λ m = m π + 2 tan - 1 ξ ( n e g 2 - n s 2 ) 1 / 2 ( n g 2 - n e g 2 ) 1 / 2 .
λ m 2 t m ( n g 2 - n e f 2 ) 1 / 2 .

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