کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
7924816 1512498 2018 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Single wavelength twin-SSB direct detection system based on Kramers-Kronig receiver and time-interleaved OFDM frame
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد مواد الکترونیکی، نوری و مغناطیسی
پیش نمایش صفحه اول مقاله
Single wavelength twin-SSB direct detection system based on Kramers-Kronig receiver and time-interleaved OFDM frame
چکیده انگلیسی
In this paper, we propose a spectrally efficient and cost-effective twin-SSB OFDM system based on Kramers-Kronig optical phase reconstruction and time-interleaved frame (TIF). C-band transmission over 80 km SSMF with a net bit rate of 88.5 Gb/s using 40 GSa/s DACs is experimentally demonstrated with a BER threshold of 3.8e−3. Two optical filters are employed to separate the two sidebands at the receiver. The imperfection of filter transfer function introduces crosstalk between them, which can be mitigated by the TIF. The impact of optical filter parameters, including roll-off, bandwidth and center frequency shift, are studied and analyzed in detail by simulation. We show that the roll-off determines the required size of TIF, and the optical fiber bandwidth leads to tradeoff between carrier-to-signal power ratio and spectral efficiency. Finally, the optimization and tolerance range of the filter center frequency shift are numerically evaluated.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Optics Communications - Volume 425, 15 October 2018, Pages 133-140
نویسندگان
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