Abstract

We have demonstrated a reproducible and accurate way of tuning the coupling wavelength of a mismatched twin-core filter. This method allows high quality all-fiber filters to be implemented with low loss at any desired wavelength over a range of few hundred nanometers from the same fiber. An 500nm tuning range is demonstrated, limited only by the measurement setup and not by the technique itself. Highly accurate control of the filtering wavelength in combination with control of filtering strength by adjustment of the length of the twin-core fibers allows complex filter profiles to be implemented by cascading of several different filters. These filters are also very stable to a change in temperature (0.26 nm/100 °C at 1.55 µm) and strain (less than 0.3 nm/mstrain at 1.55 µm), permitting easy packaging.

© 1998 Optical Society of America

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References

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  1. A. M. Vengsakar, P. J. Lemaire, J. B. Judkins, V. Bhatia, T. Erdogan, and J. E. Sipe, J. Lightwave Technol. 4, 58 (1996).
    [CrossRef]
  2. J. B. Judkins, J. R. Pedrazzani, D. J. DiGiovanni, and A. M. Vensarkar, in Optical Fiber Communication Conference, Vol. 2 of 1996 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1996), paper PD1.
  3. K. Shima, K. Himeno, T. Sakai, S. Okude, A. Wada, and R. Yamauchi, in Fourier Transform Spectroscopy, Vol. 3 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), p. 347.
  4. D. Marcuse, Electron. Lett. 21, 726 (1985).
    [CrossRef]
  5. T. Tjugiarto, G. D. Peng, and P. L. Chu, Electron. Lett. 29, 1077 (1993).
    [CrossRef]
  6. G. Grasso, F. Fontana, A. Righetti, P. Scrivener, P. Turner, and P. Maton, in Optical Fiber Communication, Vol. 4 of 1991 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1991), p. 195.
  7. F. X. Gan, Calculation of Physical Properties and Composition Analysis of Inorganic Glass (Shanghai Science and Technology Press, Shanghai, 1981; in Chinese).

1996

A. M. Vengsakar, P. J. Lemaire, J. B. Judkins, V. Bhatia, T. Erdogan, and J. E. Sipe, J. Lightwave Technol. 4, 58 (1996).
[CrossRef]

1993

T. Tjugiarto, G. D. Peng, and P. L. Chu, Electron. Lett. 29, 1077 (1993).
[CrossRef]

1985

D. Marcuse, Electron. Lett. 21, 726 (1985).
[CrossRef]

Bhatia, V.

A. M. Vengsakar, P. J. Lemaire, J. B. Judkins, V. Bhatia, T. Erdogan, and J. E. Sipe, J. Lightwave Technol. 4, 58 (1996).
[CrossRef]

Chu, P. L.

T. Tjugiarto, G. D. Peng, and P. L. Chu, Electron. Lett. 29, 1077 (1993).
[CrossRef]

DiGiovanni, D. J.

J. B. Judkins, J. R. Pedrazzani, D. J. DiGiovanni, and A. M. Vensarkar, in Optical Fiber Communication Conference, Vol. 2 of 1996 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1996), paper PD1.

Erdogan, T.

A. M. Vengsakar, P. J. Lemaire, J. B. Judkins, V. Bhatia, T. Erdogan, and J. E. Sipe, J. Lightwave Technol. 4, 58 (1996).
[CrossRef]

Fontana, F.

G. Grasso, F. Fontana, A. Righetti, P. Scrivener, P. Turner, and P. Maton, in Optical Fiber Communication, Vol. 4 of 1991 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1991), p. 195.

Gan, F. X.

F. X. Gan, Calculation of Physical Properties and Composition Analysis of Inorganic Glass (Shanghai Science and Technology Press, Shanghai, 1981; in Chinese).

Grasso, G.

G. Grasso, F. Fontana, A. Righetti, P. Scrivener, P. Turner, and P. Maton, in Optical Fiber Communication, Vol. 4 of 1991 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1991), p. 195.

Himeno, K.

K. Shima, K. Himeno, T. Sakai, S. Okude, A. Wada, and R. Yamauchi, in Fourier Transform Spectroscopy, Vol. 3 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), p. 347.

Judkins, J. B.

A. M. Vengsakar, P. J. Lemaire, J. B. Judkins, V. Bhatia, T. Erdogan, and J. E. Sipe, J. Lightwave Technol. 4, 58 (1996).
[CrossRef]

J. B. Judkins, J. R. Pedrazzani, D. J. DiGiovanni, and A. M. Vensarkar, in Optical Fiber Communication Conference, Vol. 2 of 1996 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1996), paper PD1.

Lemaire, P. J.

A. M. Vengsakar, P. J. Lemaire, J. B. Judkins, V. Bhatia, T. Erdogan, and J. E. Sipe, J. Lightwave Technol. 4, 58 (1996).
[CrossRef]

Marcuse, D.

D. Marcuse, Electron. Lett. 21, 726 (1985).
[CrossRef]

Maton, P.

G. Grasso, F. Fontana, A. Righetti, P. Scrivener, P. Turner, and P. Maton, in Optical Fiber Communication, Vol. 4 of 1991 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1991), p. 195.

Okude, S.

K. Shima, K. Himeno, T. Sakai, S. Okude, A. Wada, and R. Yamauchi, in Fourier Transform Spectroscopy, Vol. 3 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), p. 347.

Pedrazzani, J. R.

J. B. Judkins, J. R. Pedrazzani, D. J. DiGiovanni, and A. M. Vensarkar, in Optical Fiber Communication Conference, Vol. 2 of 1996 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1996), paper PD1.

Peng, G. D.

T. Tjugiarto, G. D. Peng, and P. L. Chu, Electron. Lett. 29, 1077 (1993).
[CrossRef]

Righetti, A.

G. Grasso, F. Fontana, A. Righetti, P. Scrivener, P. Turner, and P. Maton, in Optical Fiber Communication, Vol. 4 of 1991 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1991), p. 195.

Sakai, T.

K. Shima, K. Himeno, T. Sakai, S. Okude, A. Wada, and R. Yamauchi, in Fourier Transform Spectroscopy, Vol. 3 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), p. 347.

Scrivener, P.

G. Grasso, F. Fontana, A. Righetti, P. Scrivener, P. Turner, and P. Maton, in Optical Fiber Communication, Vol. 4 of 1991 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1991), p. 195.

Shima, K.

K. Shima, K. Himeno, T. Sakai, S. Okude, A. Wada, and R. Yamauchi, in Fourier Transform Spectroscopy, Vol. 3 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), p. 347.

Sipe, J. E.

A. M. Vengsakar, P. J. Lemaire, J. B. Judkins, V. Bhatia, T. Erdogan, and J. E. Sipe, J. Lightwave Technol. 4, 58 (1996).
[CrossRef]

Tjugiarto, T.

T. Tjugiarto, G. D. Peng, and P. L. Chu, Electron. Lett. 29, 1077 (1993).
[CrossRef]

Turner, P.

G. Grasso, F. Fontana, A. Righetti, P. Scrivener, P. Turner, and P. Maton, in Optical Fiber Communication, Vol. 4 of 1991 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1991), p. 195.

Vengsakar, A. M.

A. M. Vengsakar, P. J. Lemaire, J. B. Judkins, V. Bhatia, T. Erdogan, and J. E. Sipe, J. Lightwave Technol. 4, 58 (1996).
[CrossRef]

Vensarkar, A. M.

J. B. Judkins, J. R. Pedrazzani, D. J. DiGiovanni, and A. M. Vensarkar, in Optical Fiber Communication Conference, Vol. 2 of 1996 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1996), paper PD1.

Wada, A.

K. Shima, K. Himeno, T. Sakai, S. Okude, A. Wada, and R. Yamauchi, in Fourier Transform Spectroscopy, Vol. 3 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), p. 347.

Yamauchi, R.

K. Shima, K. Himeno, T. Sakai, S. Okude, A. Wada, and R. Yamauchi, in Fourier Transform Spectroscopy, Vol. 3 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), p. 347.

Electron. Lett.

D. Marcuse, Electron. Lett. 21, 726 (1985).
[CrossRef]

T. Tjugiarto, G. D. Peng, and P. L. Chu, Electron. Lett. 29, 1077 (1993).
[CrossRef]

J. Lightwave Technol.

A. M. Vengsakar, P. J. Lemaire, J. B. Judkins, V. Bhatia, T. Erdogan, and J. E. Sipe, J. Lightwave Technol. 4, 58 (1996).
[CrossRef]

Other

J. B. Judkins, J. R. Pedrazzani, D. J. DiGiovanni, and A. M. Vensarkar, in Optical Fiber Communication Conference, Vol. 2 of 1996 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1996), paper PD1.

K. Shima, K. Himeno, T. Sakai, S. Okude, A. Wada, and R. Yamauchi, in Fourier Transform Spectroscopy, Vol. 3 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), p. 347.

G. Grasso, F. Fontana, A. Righetti, P. Scrivener, P. Turner, and P. Maton, in Optical Fiber Communication, Vol. 4 of 1991 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1991), p. 195.

F. X. Gan, Calculation of Physical Properties and Composition Analysis of Inorganic Glass (Shanghai Science and Technology Press, Shanghai, 1981; in Chinese).

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Figures (5)

Fig. 1
Fig. 1

Top, schematic diagram of the propagation constants of the two cores; bottom, a typical filter response from each of the two cores when one core is illuminated.

Fig. 2
Fig. 2

Filter characteristics at various tapering ratios.

Fig. 3
Fig. 3

Tuning curve of the TC filter.

Fig. 4
Fig. 4

Temperature sensitivity of the TC fiber filter.

Fig. 5
Fig. 5

Strain sensitivity of the TC fiber filter.

Equations (3)

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

β1λ0=1ρ1V122Δ1-U121/2=β0,β2λ0=1ρ2V222Δ2-U221/2=β0,
λ0=Rλ0.
λ0λ0=12nco2-nco11+Δ2k2-1+Δ1k1-1V2k2-kcl+1V1k1-kcl.

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