Abstract

Low-cost simple structure integrated transceivers are the key components toward future applications of coherent technology in access networks. In this paper, we propose a novel counterreceiving heterodyne detection (CRHD) scheme of a monolithically integrated four-section coherent transceiver. The CRHD scheme can lead to further simplification of the design of integrated coherent transceivers, and facilitates duplex transmissions with a single terminal device. Error free detection at 100 Mb/s with a 215 - 1 pseudorandom pattern is achieved. Flexible partitioning of channel capacity between the up- and downstream traffic on the same wavelength channel is proposed and demonstrated based on the CRHD scheme. The functions of signaling and multichannel operations are performed to demonstrate a proof-of-concept bandwidth-on-demand access network with integrated coherent transceivers.

[IEEE ]

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J. Lightwave Technol. (4)

S. S. Wagner and H. L. Lemberg, "Technology and system issues for a WDM based fiber loop architecture," J. Lightwave Technol., vol. 7, pp. 1759-1768, Nov. 1989.

E. J. Bachus, T. Almeida, P. Demeester, G. Depovere, A. Ebberg, M. R. Ferreira, G. D. Khoe, O. Koning, R. Marsden, J. Rawsthorne, and N. Wauters, "Coherent optical systems implemented for business traffic routing and access: The RACE COBRA project," J. Lightwave Technol., vol. 14, pp. 1309-1317, June 1996.

A. C. Labrujere et al., "COSNET--A coherent optical subscriber network," J. Lightwave Technol., vol. 11, pp. 865-873, May/June 1993.

D. J. M. Sabido, M. Tabara, T. K. Fong, R. F. Kalman, and L. G. Kazovsky, "Experimental linewidth-insensitive coherent analog optical link," J. Lightwave Technol., vol. 12, pp. 1976-1985, Nov. 1994.

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