Abstract

We propose and demonstrate a bidirectional optical add-drop multiplexer for use in single-fiber bidirectional networks. With effective use of multiport circulators, fiber-Bragg gratings, and a single amplifier element, the new structure can add and/or drop channels in both directions and achieves more than 16 dB of bidirectional gain. The device utilizes Bragg gratings and light absorbers to remove Rayleigh backscattered and reflected light at the input stage.

© 2003 Optical Society of America

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References

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  1. K.-P. Ho, S.-K. Liaw, F.-K. Tong, “Bidirectional single-fiber multiwavelength ring networks,” IEICE Trans. Commun. E83-B, 2245–2252 (2000).
  2. C. H. Kim, C.-H. Lee, Y. C. Chung, “A novel bidirectional add/drop amplifier,” IEEE Photon. Technol. Lett. 10, 1118–1120 (1998).
    [CrossRef]
  3. J. Kim, B. Lee, “Bidirectional wavelength add-drop multiplexer using multiport optical circulators and fiber Bragg gratings,” IEEE Photon. Technol. Lett. 12, 561–563 (2000).
    [CrossRef]
  4. Y. Shen, X. Wu, C. Lu, T. H. Cheng, M. K. Rao, “A novel single-fiber bidirectional optical add/drop multiplexer for distribution networks,” in Optical Fiber Communication, Vol. 3 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 2001), paper WY5-1-3.
  5. J. L. Gimlett, M. Z. Iqbal, L. Curtis, N. K. Cheung, A. Righetti, F. Fontana, G. Grasso, “Impact of multiple reflection noise in Gbit/s lightwave systems with optical fibre amplifiers,” Electron. Lett. 25, 1393–1394 (1989).
    [CrossRef]

2000

K.-P. Ho, S.-K. Liaw, F.-K. Tong, “Bidirectional single-fiber multiwavelength ring networks,” IEICE Trans. Commun. E83-B, 2245–2252 (2000).

J. Kim, B. Lee, “Bidirectional wavelength add-drop multiplexer using multiport optical circulators and fiber Bragg gratings,” IEEE Photon. Technol. Lett. 12, 561–563 (2000).
[CrossRef]

1998

C. H. Kim, C.-H. Lee, Y. C. Chung, “A novel bidirectional add/drop amplifier,” IEEE Photon. Technol. Lett. 10, 1118–1120 (1998).
[CrossRef]

1989

J. L. Gimlett, M. Z. Iqbal, L. Curtis, N. K. Cheung, A. Righetti, F. Fontana, G. Grasso, “Impact of multiple reflection noise in Gbit/s lightwave systems with optical fibre amplifiers,” Electron. Lett. 25, 1393–1394 (1989).
[CrossRef]

Cheng, T. H.

Y. Shen, X. Wu, C. Lu, T. H. Cheng, M. K. Rao, “A novel single-fiber bidirectional optical add/drop multiplexer for distribution networks,” in Optical Fiber Communication, Vol. 3 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 2001), paper WY5-1-3.

Cheung, N. K.

J. L. Gimlett, M. Z. Iqbal, L. Curtis, N. K. Cheung, A. Righetti, F. Fontana, G. Grasso, “Impact of multiple reflection noise in Gbit/s lightwave systems with optical fibre amplifiers,” Electron. Lett. 25, 1393–1394 (1989).
[CrossRef]

Chung, Y. C.

C. H. Kim, C.-H. Lee, Y. C. Chung, “A novel bidirectional add/drop amplifier,” IEEE Photon. Technol. Lett. 10, 1118–1120 (1998).
[CrossRef]

Curtis, L.

J. L. Gimlett, M. Z. Iqbal, L. Curtis, N. K. Cheung, A. Righetti, F. Fontana, G. Grasso, “Impact of multiple reflection noise in Gbit/s lightwave systems with optical fibre amplifiers,” Electron. Lett. 25, 1393–1394 (1989).
[CrossRef]

Fontana, F.

J. L. Gimlett, M. Z. Iqbal, L. Curtis, N. K. Cheung, A. Righetti, F. Fontana, G. Grasso, “Impact of multiple reflection noise in Gbit/s lightwave systems with optical fibre amplifiers,” Electron. Lett. 25, 1393–1394 (1989).
[CrossRef]

Gimlett, J. L.

J. L. Gimlett, M. Z. Iqbal, L. Curtis, N. K. Cheung, A. Righetti, F. Fontana, G. Grasso, “Impact of multiple reflection noise in Gbit/s lightwave systems with optical fibre amplifiers,” Electron. Lett. 25, 1393–1394 (1989).
[CrossRef]

Grasso, G.

J. L. Gimlett, M. Z. Iqbal, L. Curtis, N. K. Cheung, A. Righetti, F. Fontana, G. Grasso, “Impact of multiple reflection noise in Gbit/s lightwave systems with optical fibre amplifiers,” Electron. Lett. 25, 1393–1394 (1989).
[CrossRef]

Ho, K.-P.

K.-P. Ho, S.-K. Liaw, F.-K. Tong, “Bidirectional single-fiber multiwavelength ring networks,” IEICE Trans. Commun. E83-B, 2245–2252 (2000).

Iqbal, M. Z.

J. L. Gimlett, M. Z. Iqbal, L. Curtis, N. K. Cheung, A. Righetti, F. Fontana, G. Grasso, “Impact of multiple reflection noise in Gbit/s lightwave systems with optical fibre amplifiers,” Electron. Lett. 25, 1393–1394 (1989).
[CrossRef]

Kim, C. H.

C. H. Kim, C.-H. Lee, Y. C. Chung, “A novel bidirectional add/drop amplifier,” IEEE Photon. Technol. Lett. 10, 1118–1120 (1998).
[CrossRef]

Kim, J.

J. Kim, B. Lee, “Bidirectional wavelength add-drop multiplexer using multiport optical circulators and fiber Bragg gratings,” IEEE Photon. Technol. Lett. 12, 561–563 (2000).
[CrossRef]

Lee, B.

J. Kim, B. Lee, “Bidirectional wavelength add-drop multiplexer using multiport optical circulators and fiber Bragg gratings,” IEEE Photon. Technol. Lett. 12, 561–563 (2000).
[CrossRef]

Lee, C.-H.

C. H. Kim, C.-H. Lee, Y. C. Chung, “A novel bidirectional add/drop amplifier,” IEEE Photon. Technol. Lett. 10, 1118–1120 (1998).
[CrossRef]

Liaw, S.-K.

K.-P. Ho, S.-K. Liaw, F.-K. Tong, “Bidirectional single-fiber multiwavelength ring networks,” IEICE Trans. Commun. E83-B, 2245–2252 (2000).

Lu, C.

Y. Shen, X. Wu, C. Lu, T. H. Cheng, M. K. Rao, “A novel single-fiber bidirectional optical add/drop multiplexer for distribution networks,” in Optical Fiber Communication, Vol. 3 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 2001), paper WY5-1-3.

Rao, M. K.

Y. Shen, X. Wu, C. Lu, T. H. Cheng, M. K. Rao, “A novel single-fiber bidirectional optical add/drop multiplexer for distribution networks,” in Optical Fiber Communication, Vol. 3 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 2001), paper WY5-1-3.

Righetti, A.

J. L. Gimlett, M. Z. Iqbal, L. Curtis, N. K. Cheung, A. Righetti, F. Fontana, G. Grasso, “Impact of multiple reflection noise in Gbit/s lightwave systems with optical fibre amplifiers,” Electron. Lett. 25, 1393–1394 (1989).
[CrossRef]

Shen, Y.

Y. Shen, X. Wu, C. Lu, T. H. Cheng, M. K. Rao, “A novel single-fiber bidirectional optical add/drop multiplexer for distribution networks,” in Optical Fiber Communication, Vol. 3 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 2001), paper WY5-1-3.

Tong, F.-K.

K.-P. Ho, S.-K. Liaw, F.-K. Tong, “Bidirectional single-fiber multiwavelength ring networks,” IEICE Trans. Commun. E83-B, 2245–2252 (2000).

Wu, X.

Y. Shen, X. Wu, C. Lu, T. H. Cheng, M. K. Rao, “A novel single-fiber bidirectional optical add/drop multiplexer for distribution networks,” in Optical Fiber Communication, Vol. 3 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 2001), paper WY5-1-3.

Electron. Lett.

J. L. Gimlett, M. Z. Iqbal, L. Curtis, N. K. Cheung, A. Righetti, F. Fontana, G. Grasso, “Impact of multiple reflection noise in Gbit/s lightwave systems with optical fibre amplifiers,” Electron. Lett. 25, 1393–1394 (1989).
[CrossRef]

IEEE Photon. Technol. Lett.

C. H. Kim, C.-H. Lee, Y. C. Chung, “A novel bidirectional add/drop amplifier,” IEEE Photon. Technol. Lett. 10, 1118–1120 (1998).
[CrossRef]

J. Kim, B. Lee, “Bidirectional wavelength add-drop multiplexer using multiport optical circulators and fiber Bragg gratings,” IEEE Photon. Technol. Lett. 12, 561–563 (2000).
[CrossRef]

IEICE Trans. Commun.

K.-P. Ho, S.-K. Liaw, F.-K. Tong, “Bidirectional single-fiber multiwavelength ring networks,” IEICE Trans. Commun. E83-B, 2245–2252 (2000).

Other

Y. Shen, X. Wu, C. Lu, T. H. Cheng, M. K. Rao, “A novel single-fiber bidirectional optical add/drop multiplexer for distribution networks,” in Optical Fiber Communication, Vol. 3 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 2001), paper WY5-1-3.

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Figures (6)

Fig. 1
Fig. 1

New BOADM structure.

Fig. 2
Fig. 2

WDM test setup by use of the new BOADM structure.

Fig. 3
Fig. 3

Measured optical spectra of (a) Eastbound signals into the IN1 port; (b) eastbound signals out of the IN2 port; (c) westbound signals into the IN2 port; (d) westbound signals out of the IN1 port; (e) eastbound signals into port 4 of OC1; (f) westbound signals into port 4 of OC2; (g) signal at the DROP1 port with drop channel 1 present; (h) signal at the DROP1 port, without drop channel 1 present; (i) signal at the DROP2 port with drop channel 2 present; and (j) signal at the DROP2 port without drop channel 2 present.

Fig. 4
Fig. 4

Bit-error rates for channels in (a) eastbound direction and (b) westbound direction.

Fig. 5
Fig. 5

Reflection points for eastbound signals in the BOADM setup.

Fig. 6
Fig. 6

Calculated power penalties versus connection reflectivity for different Rayleigh backscattering coefficients. RB, Rayleigh backscattering.

Tables (1)

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Table 1 Description and Reflectivity of Reflection Points

Equations (1)

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Penalty=-5 log101-4q24NsphvBePin+G2i=28j=1i-1 RiRj,

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