作者
Rui Zhou, Prince M Anandarajah, Robert Maher, Milen Paskov, Domaniç Lavery, Benn C Thomsen, Seb J Savory, Liam P Barry
发表日期
2013/12/5
期刊
IEEE Photonics Technology Letters
卷号
26
期号
4
页码范围
364-367
出版商
IEEE
简介
We have proposed and experimentally demonstrated a 6 × 40-Gb/s long reach dense wavelength division multiplexed passive optical network downlink system operating over 80 km of standard single mode fiber. The six optical channels with 20 GHz spacing are generated by an externally injected gain switched optical comb source. Each comb line is imposed with a 6-GBd polarization division multiplexed quadrature amplitude modulation, which included a 20% overhead for forward error correction. A worst case channel sensitivity of -35.6 dBm (54 photons/bit) at a bit error rate of 1.5×10 -2 was achieved, yielding a system loss budget of 40 dB.
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R Zhou, PM Anandarajah, R Maher, M Paskov… - IEEE Photonics Technology Letters, 2013