Polarization Optimized PMD Source – PMDPro™

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-7- Genera l Photon ics Corporat ion 909.590.5473 www.genera lphoton ics .com

PMDPro™isabreakthroughPMDsourcethatcandeterministicallygenerateprecise1storderPMDup to180psand2ndorderPMDup to8100ps2. Itsquasi-continuousoperationmodeenables independentgenerationof firstorderandwavelength independentsecondorderPMDforuniformcoverageofthePMDspace.Itcontainsanautomaticpolarizationcontrollerandtwopolarimetersthatmonitorthestateofpolarization(SOP)anddegreeofpolarization(DOP)beforeandafter thePMDgeneratingelements.Thepolarizationcontrollercanbeusedwith the frontpolarimetertoautomaticallyalignandmaintaintheinputSOPat45°fromtheprincipalaxisoftheDGDelementtoobtaintheworst-casefirstorderPMDeffect.Alternatively,thecontrollercanautomaticallyadjustandmaintain the inputSOPusing the feedback fromtherearpolarimeter

toeitherminimizeormaximizetheoutputDOPforeachPMDsetting.MinimizingtheoutputDOPenablestestingoftheworst-casetotalPMDeffect,whilemaximizingtheDOPturnsthePMDPro™intoaPMDcompensator,allowingtheusertoobtainoptimizedPMDvalues forPMDcompensation. PMDPro™canalsoperformPMDemulationbygeneratingstatisticalPMDdistributions. Finally, thepolarization controller and polarimeters enable variable rate scrambling and deterministic polarization control functions, including trace generationandpolarizationstabilizationatanySOP.PMDPro™makesyourPMDrelatedsystemstestingsimple,fast,andprofessional.

Features:.1st&2ndorderPMDsource.1st&2ndorderPMDemulator. Automatic polarization alignment. Polarization scrambling.PMDcompensation.RapidPMDswitching:1ms

Applications:.SystemPMDtolerancetest.PMDcompensatorevaluation.SystemPMDemulation.OptimizingPMDvaluesforPMDC.PMDmeasurementinstrumentcalibration

OrderingInformation:

PMD—1000— — —

DGDRange:90 = 90 ps18=180ps

Wavelength:C = C bandL=Lband

ConnectorType:FC/PC,FC/APCSC/PC,orSC/APC

OperatingWavelengthRange1 CbandorLband

InsertionLoss5.0dB(90psversion)5.5dB(180psversion)

InputPowerRange -10to10dBm

ReturnLoss 50dB

PDL0.45dBtypical(90psversion)0.5dBtypical(180psversion)

1stOrderPMDRange0 to 91 ps or0.36to182.4ps

1st0rderPMDResolution

90 ps range 180psrange

Discretemode 0.357 ps 0.714 psQuasi-continuous mode 0.1 ps 0.2ps

2ndOrderPMDRange 2000ps2(90psrange)or8100ps2(180psrange)

PMDVariationTime 1 ms min.

SOPAlignmentAccuracy2 ±2°

SOPTrackingSpeed 10 π/s

DOPAccuracy2 ±2%

OpticalPowerHandling 300mWmin.

OperatingTemperature 10to50°C

StorageTemperature -20to60°C

CommunicationsInterfaces USB,RS-232,Ethernet,andGPIB

FrontPanelDisplay 2x20characterLCD

PowerSupply 100–240VAC,50–60Hz

Dimensions2U,3/4of19”rackwidth14"(L)x14"(W)x3.5"(H)

Notes:1.Standardoption:Cband.2.At23±5°C.

Emulation Instruments for System and Network Characterization

Polarization Optimized PMD Source – PMDPro™

TechInfo:pp.107,135AppNote:p.205

RelatedProducts:PDLSource/Emulator p.9PolarizationMeasurementSystem p.16

Specifications:

Genera l Photon ics Corporat ion 909.590.5473 www.genera lphoton ics .com

Figure1.DGDandwavelength independentSOPMDrange(180psPMDPro™)

Figure2.Quasii-continuousPMDcontrol

Figure3.MaxwellianPMDemulation

Figure 5. Experimental setup for PMD compensatorperformancetest,usingPMDPro™asaPMDsourcetoaddDGDandSOPMDtothesignal.

Figure6.MeasuredDOP(withoutPMDCandwithPMDC)ofa40-Gbit/sRZ-DQPSKsignalversusDGDandSOPMD.

Figure7.Long-termmonitoringofPMD inan in-service linkbyPMDC.InstantaneousPMDvs.time.Inset:DOPvs.DGDplotforasinglemeasurement.

Figure8.Long-termmonitoringofPMD inan in-servicelinkbyPMDC.AveragePMDvs.time

Figure4.3DgraphdisplayofaDGD/SOPMDscan

Emulation Instruments for System and Network Characterization

Polarization Optimized PMD Source – PMDPro™

Polarization Optimized PMD Source – PMDPro™

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