[TuP4-B] Poster Session 1

[TuP4-B8] Impact of Sampling and Quantization on Direct-Detection Lightwave Systems Using Kramers-Kronig Relation

〇Takaha Fujita, Kentaro Toba, Kariyawasam Indipalage Amila Sampath, Joji Maeda (Tokyo Univ. of Science, Japan)

キーワード：Digital signal processing techniques for optical communications , Optical transmitter and receiver subsystems

The impact of A/D conversion on direct-detection lightwave systems applying Kramers-Kronig relation is numerically studied. 4 × oversampling and 4-bit quantization are predicted necessary for QPSK demodulation.