Abstract

We propose and experimentally demonstrate a voltage-controllable add–drop multiplexer with a tunable coupler based on long-period fiber gratings (LPFGs). The tunable coupler is based on cladding mode coupling between two parallel LPFGs with divided coil heaters, which controls the resonant wavelength positions of the two LPFGs. The wavelength tunability of the tunable coupler is measured to be 0.45nm°C in the temperature range from 20to120°C. The large tuning range of optical signals (50.54nm) from 1502.32to1552.86nm, which covers both the short (S) and the conventional (C) bands, is achieved. The channel isolation is as high as 40dB. It has several advantages, including a broad tuning range of wavelength in both the S- and C-bands, high channel isolation, no backreflection, and so on.

© 2006 Optical Society of America

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    [CrossRef] [PubMed]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef] [PubMed]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]

2005 (1)

2004 (1)

2003 (3)

Y. G. Han, S. B. Lee, C. S. Kim, J. U. Kang, U. C. Paek, and Y. Chung, Opt. Express 11, 476 (2003).
[CrossRef] [PubMed]

Y. G. Han, C. S. Kim, J. U. Kang, U. C. Paek, and Y. Chung, IEEE Photon. Technol. Lett. 15, 383 (2003).
[CrossRef]

Y. G. Han, S. H. Kim, S. B. Lee, U. C. Paek, and Y. Chung, Electron. Lett. 39, 1107 (2003).
[CrossRef]

2000 (2)

K. S. Chiang, Y. Liu, M. N. Ng, and S. Li, Electron. Lett. 36, 1408 (2000).
[CrossRef]

P. K. Lam, A. J. Stevenson, and J. D. Love, Electron. Lett. 36, 967 (2000).
[CrossRef]

1998 (1)

1996 (1)

A. M. Vengsarkar, P. J. Lemaire, J. B. Judkins, V. Bhatia, T. Erdogan, and J. E. Sipe, J. Low Temp. Phys. 14, 58 (1996).

Bhatia, V.

A. M. Vengsarkar, P. J. Lemaire, J. B. Judkins, V. Bhatia, T. Erdogan, and J. E. Sipe, J. Low Temp. Phys. 14, 58 (1996).

V. Bhatia, K. A. Murphy, R. O. Claus, and A. M. Vengsarkar, in OFS-11: Eleventh International Conference on Optical Fiber Sensors. Advanced Sensing Photonics (1996), 702 [in SPIE CDO01 (1999)].

Chiang, K. S.

K. S. Chiang, Y. Liu, M. N. Ng, and S. Li, Electron. Lett. 36, 1408 (2000).
[CrossRef]

Chung, Y.

Y. G. Han, S. H. Kim, S. B. Lee, U. C. Paek, and Y. Chung, Electron. Lett. 39, 1107 (2003).
[CrossRef]

Y. G. Han, C. S. Kim, J. U. Kang, U. C. Paek, and Y. Chung, IEEE Photon. Technol. Lett. 15, 383 (2003).
[CrossRef]

Y. G. Han, S. B. Lee, C. S. Kim, J. U. Kang, U. C. Paek, and Y. Chung, Opt. Express 11, 476 (2003).
[CrossRef] [PubMed]

Claus, R. O.

V. Bhatia, K. A. Murphy, R. O. Claus, and A. M. Vengsarkar, in OFS-11: Eleventh International Conference on Optical Fiber Sensors. Advanced Sensing Photonics (1996), 702 [in SPIE CDO01 (1999)].

Erdogan, T.

A. M. Vengsarkar, P. J. Lemaire, J. B. Judkins, V. Bhatia, T. Erdogan, and J. E. Sipe, J. Low Temp. Phys. 14, 58 (1996).

Feinberg, J.

V. Grubsky, D. S. Starodubov, and J. Feinberg, in Optical Fiber Communication Conference, Vol. 37 of OSA Trends in Optics and Photonics Series (Optical Society of America, 2000), p. 28.

Grubsky, V.

V. Grubsky, D. S. Starodubov, and J. Feinberg, in Optical Fiber Communication Conference, Vol. 37 of OSA Trends in Optics and Photonics Series (Optical Society of America, 2000), p. 28.

Gu, X. J.

Han, Y. G.

Y. G. Han, S. H. Kim, and S. B. Lee, Opt. Express 12, 1902 (2004).
[CrossRef] [PubMed]

Y. G. Han, S. H. Kim, S. B. Lee, U. C. Paek, and Y. Chung, Electron. Lett. 39, 1107 (2003).
[CrossRef]

Y. G. Han, C. S. Kim, J. U. Kang, U. C. Paek, and Y. Chung, IEEE Photon. Technol. Lett. 15, 383 (2003).
[CrossRef]

Y. G. Han, S. B. Lee, C. S. Kim, J. U. Kang, U. C. Paek, and Y. Chung, Opt. Express 11, 476 (2003).
[CrossRef] [PubMed]

Judkins, J. B.

A. M. Vengsarkar, P. J. Lemaire, J. B. Judkins, V. Bhatia, T. Erdogan, and J. E. Sipe, J. Low Temp. Phys. 14, 58 (1996).

Kang, J. U.

Y. G. Han, S. B. Lee, C. S. Kim, J. U. Kang, U. C. Paek, and Y. Chung, Opt. Express 11, 476 (2003).
[CrossRef] [PubMed]

Y. G. Han, C. S. Kim, J. U. Kang, U. C. Paek, and Y. Chung, IEEE Photon. Technol. Lett. 15, 383 (2003).
[CrossRef]

Kim, C. S.

Y. G. Han, S. B. Lee, C. S. Kim, J. U. Kang, U. C. Paek, and Y. Chung, Opt. Express 11, 476 (2003).
[CrossRef] [PubMed]

Y. G. Han, C. S. Kim, J. U. Kang, U. C. Paek, and Y. Chung, IEEE Photon. Technol. Lett. 15, 383 (2003).
[CrossRef]

Kim, S. H.

Y. G. Han, S. H. Kim, and S. B. Lee, Opt. Express 12, 1902 (2004).
[CrossRef] [PubMed]

Y. G. Han, S. H. Kim, S. B. Lee, U. C. Paek, and Y. Chung, Electron. Lett. 39, 1107 (2003).
[CrossRef]

Lacquet, B. M.

Lam, P. K.

P. K. Lam, A. J. Stevenson, and J. D. Love, Electron. Lett. 36, 967 (2000).
[CrossRef]

Lee, S. B.

Lemaire, P. J.

A. M. Vengsarkar, P. J. Lemaire, J. B. Judkins, V. Bhatia, T. Erdogan, and J. E. Sipe, J. Low Temp. Phys. 14, 58 (1996).

Li, S.

K. S. Chiang, Y. Liu, M. N. Ng, and S. Li, Electron. Lett. 36, 1408 (2000).
[CrossRef]

Liu, Y.

K. S. Chiang, Y. Liu, M. N. Ng, and S. Li, Electron. Lett. 36, 1408 (2000).
[CrossRef]

Love, J. D.

P. K. Lam, A. J. Stevenson, and J. D. Love, Electron. Lett. 36, 967 (2000).
[CrossRef]

Lu, C.

Murphy, K. A.

V. Bhatia, K. A. Murphy, R. O. Claus, and A. M. Vengsarkar, in OFS-11: Eleventh International Conference on Optical Fiber Sensors. Advanced Sensing Photonics (1996), 702 [in SPIE CDO01 (1999)].

Ng, M. N.

K. S. Chiang, Y. Liu, M. N. Ng, and S. Li, Electron. Lett. 36, 1408 (2000).
[CrossRef]

Paek, U. C.

Y. G. Han, S. H. Kim, S. B. Lee, U. C. Paek, and Y. Chung, Electron. Lett. 39, 1107 (2003).
[CrossRef]

Y. G. Han, C. S. Kim, J. U. Kang, U. C. Paek, and Y. Chung, IEEE Photon. Technol. Lett. 15, 383 (2003).
[CrossRef]

Y. G. Han, S. B. Lee, C. S. Kim, J. U. Kang, U. C. Paek, and Y. Chung, Opt. Express 11, 476 (2003).
[CrossRef] [PubMed]

Shum, P.

Sipe, J. E.

A. M. Vengsarkar, P. J. Lemaire, J. B. Judkins, V. Bhatia, T. Erdogan, and J. E. Sipe, J. Low Temp. Phys. 14, 58 (1996).

Spammer, S. J.

Starodubov, D. S.

V. Grubsky, D. S. Starodubov, and J. Feinberg, in Optical Fiber Communication Conference, Vol. 37 of OSA Trends in Optics and Photonics Series (Optical Society of America, 2000), p. 28.

Stevenson, A. J.

P. K. Lam, A. J. Stevenson, and J. D. Love, Electron. Lett. 36, 967 (2000).
[CrossRef]

Swart, P. L.

Vengsarkar, A. M.

A. M. Vengsarkar, P. J. Lemaire, J. B. Judkins, V. Bhatia, T. Erdogan, and J. E. Sipe, J. Low Temp. Phys. 14, 58 (1996).

V. Bhatia, K. A. Murphy, R. O. Claus, and A. M. Vengsarkar, in OFS-11: Eleventh International Conference on Optical Fiber Sensors. Advanced Sensing Photonics (1996), 702 [in SPIE CDO01 (1999)].

Zhu, Y.

Electron. Lett. (3)

Y. G. Han, S. H. Kim, S. B. Lee, U. C. Paek, and Y. Chung, Electron. Lett. 39, 1107 (2003).
[CrossRef]

K. S. Chiang, Y. Liu, M. N. Ng, and S. Li, Electron. Lett. 36, 1408 (2000).
[CrossRef]

P. K. Lam, A. J. Stevenson, and J. D. Love, Electron. Lett. 36, 967 (2000).
[CrossRef]

IEEE Photon. Technol. Lett. (1)

Y. G. Han, C. S. Kim, J. U. Kang, U. C. Paek, and Y. Chung, IEEE Photon. Technol. Lett. 15, 383 (2003).
[CrossRef]

J. Low Temp. Phys. (1)

A. M. Vengsarkar, P. J. Lemaire, J. B. Judkins, V. Bhatia, T. Erdogan, and J. E. Sipe, J. Low Temp. Phys. 14, 58 (1996).

Opt. Express (2)

Opt. Lett. (2)

Other (2)

V. Bhatia, K. A. Murphy, R. O. Claus, and A. M. Vengsarkar, in OFS-11: Eleventh International Conference on Optical Fiber Sensors. Advanced Sensing Photonics (1996), 702 [in SPIE CDO01 (1999)].

V. Grubsky, D. S. Starodubov, and J. Feinberg, in Optical Fiber Communication Conference, Vol. 37 of OSA Trends in Optics and Photonics Series (Optical Society of America, 2000), p. 28.

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Figures (4)

Fig. 1
Fig. 1

Schematics of (a) a voltage-controllable coupler based on two LPFGs with divided coil heaters and (b) a tunable ADM based on the proposed tunable coupler.

Fig. 2
Fig. 2

Transmission characteristics of tunable coupler corresponding to the cladding mode order. The gray and black curves show the output signals at ports 1 and 2, respectively.

Fig. 3
Fig. 3

Transmission characteristics of the tunable ADM at port 2 (the drop port) with temperature change as the applied voltage is increased. Multiple passbands occur in the spectrum because the core mode is generally coupled to several cladding modes in the LPFGs.

Fig. 4
Fig. 4

Measured results of the wavelength shift corresponding to the cladding mode order at port 2 (the drop port) when the applied voltage is increased.

Equations (1)

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λ p = Λ ( n Core n Clad , m ) ,

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