24 April 2018 Vector mm-wave signal generation at W-band based on EAM+PM
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Abstract
We propose and experimentally demonstrate a potentially simple and cost-effective optical multi-carrier source based on electro-absorption modulated laser (EML) cascaded with phase modulator (PM) driven by synchronous sinusoidal radio-frequency (RF) signal, which can generate 10 subcarriers with frequency spacing of 12.5 GHz and power difference less than 3 dB. We further experimentally demonstrate a novel W-band radio-over-fiber (RoF) system based on EML cascaded with PM, which can realize the generation and transmission of 25-Gb/s quadrature-phase-shift-keying (QPSK) modulated millimeter-wave (mm-wave) signal at 100 GHz adopting optical remote heterodyning and heterodyne coherent detection. The bit-error ratio (BER) after 80-km single-mode fiber-28 (SMF-28) transmission and 2-m wireless delivery can be less than the forward-error-correction (FEC) threshold of 3.8×10-3.
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Hada Wang, Xinying Li, "Vector mm-wave signal generation at W-band based on EAM+PM", Proc. SPIE 10560, Metro and Data Center Optical Networks and Short-Reach Links, 105600S (24 April 2018); doi: 10.1117/12.2284177; https://doi.org/10.1117/12.2284177
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