Optical Communications Technology and Modulation Formats 16 ...

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Modulation SchemesStrataLight proprietary and confidential information
LASER Light properties to Modulate• Intensity• On/Off keying• Widely used for up to 10Gbps• Easy to modulate and easy to detect• Phase• Phase shift keying • Frequency shift keying• Well know technique outside optics• Polarization• Well know but not understood• Relatively new• Detection can be a little more difficultΦIPCONFIDENTIAL © 2007 STRATALIGHT COMMUNICATIONS ALL RIGHTS RESERVED. 13
Page 8 and 9: Optical Impairments• Polarization
Page 10 and 11: From 10 Gbps to 40Gbps• Optics•
Page 14 and 15: Modulation SchemesModulation Attrib
Page 16 and 17: Carrier Suppressed Return to Zero (
Page 18 and 19: Differential Phase Shift Keying (DP
Page 20 and 21: Transmitted SpectraROADM50GHz Profi
Page 22 and 23: Differential Quaternary Phase Shift
Page 24 and 25: Transmitted SpectraROADM50GHz Profi
Page 26 and 27: Transmitter Block DiagramsPSBTI inN
Page 28 and 29: DWDM Filter CompatibilityStrataLigh
Page 34 and 35: Performance at 40GbpsStrataLight pr
Page 36 and 37: DPSK WDM Penalty• 50G grid: at th
Page 38 and 39: Conclusions and Summary• Metro Ap
Page 40 and 41: Technical LeadershipStrataLight pro
Page 42 and 43: High level market requirements• M
Page 44 and 45: Development solution - PM-QPSKTx Bl

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