Equalizer design for clock recovery based on multi-level optical disk using signal waveform modulation

Meng Shao; Jing Pei; Bo Yang

doi:10.1117/12.2035938

19 December 2013 Equalizer design for clock recovery based on multi-level optical disk using signal waveform modulation

Meng Shao, Jing Pei, Bo Yang

Proceedings Volume 9045, 2013 International Conference on Optical Instruments and Technology: Optoelectronic Imaging and Processing Technology; 904518 (2013) https://doi.org/10.1117/12.2035938
Event: International Conference on Optical Instruments and Technology (OIT2013), 2013, Beijing, China

Abstract

With smaller pits and lands in multi-level optical disks using signal waveform modulation than those in DVD disks, the ISI and nonlinear attenuation of the read-out signal become more serious. One ordinary way is using an equalizer at sample rate 1/T, we proposed one method of designing the equalizer in fixed sample rate with digital interpolation. According to the analysis of the multi-level optical disk channel, we get the target frequency-response cure and implement it with seven order FIR filter. From the result of the read out experiment with multi-level optical disk, the clock of the RF signal could be recovered with the proposed equalizer.

Citation Download Citation

Meng Shao, Jing Pei, and Bo Yang "Equalizer design for clock recovery based on multi-level optical disk using signal waveform modulation", Proc. SPIE 9045, 2013 International Conference on Optical Instruments and Technology: Optoelectronic Imaging and Processing Technology, 904518 (19 December 2013); https://doi.org/10.1117/12.2035938

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