1 May 2014 An integrable high resolution all-optical analog-to-digital conversion scheme
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A novel 4 × 4 multimode interference couplers based phase-shifted photonic quantization scheme using multiwavelength mode locked pulse lasers as sampling source for all-optical analog-to-digital converter is proposed. Numerical analysis indicates that 8-bit quantization resolution operating at 40 GHz bandwidth could be achieved with an incident average optical power of 1.932 mW to each photodiode. The whole scheme can be integrated on a InP-based chip.
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Shile Wei, Shile Wei, Wu Jian, Wu Jian, Lingjuan Zhao, Lingjuan Zhao, Dan Lu, Dan Lu, Jifang Qiu, Jifang Qiu, "An integrable high resolution all-optical analog-to-digital conversion scheme", Proc. SPIE 9131, Optical Modelling and Design III, 91311M (1 May 2014); doi: 10.1117/12.2051894; https://doi.org/10.1117/12.2051894

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