Chinese Optics Letters, 2015, 13 (2): 020603, Published Online: Sep. 25, 2018  

Fifty-five km reach, bidirectional, 400  Gb/s (40 × 10  Gb/s), channel-reuse DWDM–PON employing a self-wavelength managed tunable laser

Author Affiliations
State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, China
Abstract
We experimentally demonstrate a channel-reuse bidirectional 10 Gb/s/λ long-reach dense wavelength-division multiplexing passive optical network (DWDM-PON) and an optical beat-noise-based automatic wavelength control method for a tunable laser used in a colorless optical network unit (where λ=wavelength). A 55 km, bidirectional, 400 Gb/s (40×10 Gb/s) capacity channel-reuse transmission with 100 GHz channel spacing is achieved. The transmission performance is also measured with different optical signal to Rayleigh backscattering noise ratios and different central wavelength shifts between upstream and downstream in the channel-reuse system.

Zhiguo Zhang, Xu Jiang, Jiahe Wang, Xue Chen, Liqian Wang. Fifty-five km reach, bidirectional, 400  Gb/s (40 × 10  Gb/s), channel-reuse DWDM–PON employing a self-wavelength managed tunable laser[J]. Chinese Optics Letters, 2015, 13(2): 020603.

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