利用可重构全光离散傅里叶变换演示光正交频分复用子载波的信道间隔可调解复用。
Demonstration of channel-spacing-tunable demultiplexing of optical orthogonal-frequency-division-multiplexed subcarriers utilizing reconfigurable all-optical discrete Fourier transform.
机构信息
Department of Electrical Engineering, University of Southern California, Los Angeles, California 90089, USA.
出版信息
Opt Lett. 2012 Oct 1;37(19):3975-7. doi: 10.1364/OL.37.003975.
PMID:23027250
Abstract
We experimentally demonstrate a tunable and reconfigurable optical discrete Fourier transform (DFT) to demultiplex orthogonal-frequency-division-multiplexed subcarriers with 2/3/4 subcarriers at 20/40 GHz frequency spacing. An average power penalty of 5 dB (3.5) at bit error ratio of 10(-9) is achieved for 4×20 Gbit/s (4×10 Gbit/s) OFDM signal with 20 GHz frequency spacing.
摘要
我们实验演示了一种可调谐可重构的光离散傅里叶变换（DFT），用于以 20/40GHz 频率间隔解复用具有 2/3/4 个子载波的正交频分复用子载波。对于具有 20GHz 频率间隔的 4×20Gbit/s（4×10Gbit/s）OFDM 信号，在误码率为 10(-9)时，平均功率代价约为 5dB（约 3.5dB）。
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