Optical Communications Technology and Modulation Formats 16 ...
Optical Communications Technology and Modulation Formats 16 ...
Optical Communications Technology and Modulation Formats 16 ...
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Carrier Suppressed Return to Zero (CS-RZ)IΦ3/2ππ1/2π043Gbps Data1 -1 0 -1 021.5G Clk21.5G Clk• Intensity modulation format• Slightly more Complex Transmitter Design• Required additional clock modulation• Pulse train has RZ pulse shape with alternateπ shifts between bits slots• <strong>Optical</strong> Spectrum has suppressed carrier• Higher tolerance to non-linear effects• Higher receiver sensitivityCS-RZ1/2πIm-√2-11√20πRe3/2πCONFIDENTIAL © 2007 STRATALIGHT COMMUNICATIONS ALL RIGHTS RESERVED. <strong>16</strong>
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