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  <xs:element id="lite_IncreaseDecreaseInRightOfUseAsset" abstract="false" name="IncreaseDecreaseInRightOfUseAsset" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lite_IncreaseDecreaseInOperatingLeaseLiabilityCurrent" abstract="false" name="IncreaseDecreaseInOperatingLeaseLiabilityCurrent" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lite_IncreaseDecreaseInOperatingLeaseLiabilityNonCurrent" abstract="false" name="IncreaseDecreaseInOperatingLeaseLiabilityNonCurrent" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lite_OperatingLeaseRightOfUseAssetGross" abstract="false" name="OperatingLeaseRightOfUseAssetGross" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lite_OperatingLeaseRightOfUseAssetAccumulatedAmortization" abstract="false" name="OperatingLeaseRightOfUseAssetAccumulatedAmortization" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lite_UnrecognizedTaxBenefitsNoncurrent" abstract="false" name="UnrecognizedTaxBenefitsNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lite_ManufacturingFacilityAcquisitionMember" abstract="true" name="ManufacturingFacilityAcquisitionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_FiniteLivedIntangibleAssetsExcludingInProcessResearchAndDevelopmentMember" abstract="true" name="FiniteLivedIntangibleAssetsExcludingInProcessResearchAndDevelopmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour" abstract="false" name="FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lite_DebtInstrumentConvertiblePrincipalAmountsSettledInCash" abstract="false" name="DebtInstrumentConvertiblePrincipalAmountsSettledInCash" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lite_A130OfConversionPriceMember" abstract="true" name="A130OfConversionPriceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_SumitomoMitsuiBankingCorporation2029TermLoanMember" abstract="true" name="SumitomoMitsuiBankingCorporation2029TermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_SumitomoMitsuiBankingCorporation2026TermLoanMember" abstract="true" name="SumitomoMitsuiBankingCorporation2026TermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_SumitomoMitsuiBankingCorporationMember" abstract="true" name="SumitomoMitsuiBankingCorporationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_MizuhoTermLoanMember" abstract="true" name="MizuhoTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_WellsFargoCreditAgreementMember" abstract="true" name="WellsFargoCreditAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_NumberOfTradingDaysStockPriceSharePriceThresholdToTriggerConversion" abstract="false" name="NumberOfTradingDaysStockPriceSharePriceThresholdToTriggerConversion" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="lite_PaymentForRepurchaseOfConvertibleNotes" abstract="false" name="PaymentForRepurchaseOfConvertibleNotes" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lite_DebtInstrumentConvertibleThresholdMeasurementPeriod" abstract="false" name="DebtInstrumentConvertibleThresholdMeasurementPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="lite_DebtInstrumentConvertibleThresholdPercentageOfConversionRate" abstract="false" name="DebtInstrumentConvertibleThresholdPercentageOfConversionRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="lite_DebtInstrumentPercentageOfPrincipalAmountRequiredToBePaidUponContingentNoteRepurchase" abstract="false" name="DebtInstrumentPercentageOfPrincipalAmountRequiredToBePaidUponContingentNoteRepurchase" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="lite_DebtInstrumentRedemptionThreshold" abstract="false" name="DebtInstrumentRedemptionThreshold" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lite_OptionIndexedToIssuersEquityCapPrice" abstract="false" name="OptionIndexedToIssuersEquityCapPrice" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="lite_DebtInstrumentConvertibleSharePriceThreshold" abstract="false" name="DebtInstrumentConvertibleSharePriceThreshold" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="lite_DebtInstrumentConvertiblePercentageOfEquityComponent" abstract="false" name="DebtInstrumentConvertiblePercentageOfEquityComponent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="lite_AdjustmentsToAdditionalPaidInCapitalConvertibleDebtInducedConversion" abstract="false" name="AdjustmentsToAdditionalPaidInCapitalConvertibleDebtInducedConversion" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lite_DebtInstrumentCovenantConsolidatedSeniorSecuredNetLeverageRatio" abstract="false" name="DebtInstrumentCovenantConsolidatedSeniorSecuredNetLeverageRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="lite_DebtInstrumentCovenantRequiredDebtToIncomeRatio" abstract="false" name="DebtInstrumentCovenantRequiredDebtToIncomeRatio" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="lite_DebtInstrumentCovenantInterestCoverageRatio" abstract="false" name="DebtInstrumentCovenantInterestCoverageRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="lite_DebtInstrumentConvertibleCarryingAmountOfLiabilityComponent" abstract="false" name="DebtInstrumentConvertibleCarryingAmountOfLiabilityComponent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lite_LongTermDebtMaturityAfterYearFour" abstract="false" name="LongTermDebtMaturityAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lite_InHouseDevelopmentMember" abstract="true" name="InHouseDevelopmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_AssetImpairmentMember" abstract="true" name="AssetImpairmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_DiscreteTaxExpenseBenefit" abstract="false" name="DiscreteTaxExpenseBenefit" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lite_Fiscal2015EquityIncentivePlanMember" abstract="true" name="Fiscal2015EquityIncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_A2025EquityIncentivePlanMember" abstract="true" name="A2025EquityIncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_A2015EmployeeStockPurchasePlanMember" abstract="true" name="A2015EmployeeStockPurchasePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_EmployeeStockPurchasePlanMember" abstract="true" name="EmployeeStockPurchasePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_OtherDirectorsAndSeniorManagementMember" abstract="true" name="OtherDirectorsAndSeniorManagementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_PresidentAndChiefExecutiveOfficerMember" abstract="true" name="PresidentAndChiefExecutiveOfficerMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_TerminationDateAxis" abstract="true" name="TerminationDateAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="lite_TerminationDateDomain" abstract="true" name="TerminationDateDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_TerminationPeriodOneMember" abstract="true" name="TerminationPeriodOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_TerminationPeriodTwoMember" abstract="true" name="TerminationPeriodTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodFairValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lite_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpectedPayoutPercentageOfTargetSharesGranted" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardExpectedPayoutPercentageOfTargetSharesGranted" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="lite_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsGrateDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsGrateDateFairValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="lite_ShareBasedCompensationArrangementByShareBasedPaymentAwardLookBackPeriodSubsequentToPlanModification" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardLookBackPeriodSubsequentToPlanModification" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="lite_AnnualIncentivePlanPerformanceStockUnitsMember" abstract="true" name="AnnualIncentivePlanPerformanceStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_TotalShareholderReturnPerformanceStockUnitsMember" abstract="true" name="TotalShareholderReturnPerformanceStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_OtherPerformanceStockUnitsMember" abstract="true" name="OtherPerformanceStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_ChangeInStockBasedCompensationCapitalizedToInventory" abstract="false" name="ChangeInStockBasedCompensationCapitalizedToInventory" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lite_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantRollForward" abstract="true" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lite_SharesIssuedSharesShareBasedPaymentArrangementRemoved" abstract="false" name="SharesIssuedSharesShareBasedPaymentArrangementRemoved" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="lite_SupplyAgreementTypicalDuration" abstract="false" name="SupplyAgreementTypicalDuration" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="lite_StandardProductWarrantyTerm" abstract="false" name="StandardProductWarrantyTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="lite_ManufacturerConcentrationMember" abstract="true" name="ManufacturerConcentrationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_TwoCustomersMember" abstract="true" name="TwoCustomersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_CustomerAMember" abstract="true" name="CustomerAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_CustomerBMember" abstract="true" name="CustomerBMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_ThreeCustomersMember" abstract="true" name="ThreeCustomersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_CustomerOneMember" abstract="true" name="CustomerOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_CustomerTwoMember" abstract="true" name="CustomerTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_CustomerThreeMember" abstract="true" name="CustomerThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_VendorMember" abstract="true" name="VendorMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_GeographicRegionsNumber" abstract="false" name="GeographicRegionsNumber" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="lite_NumberOfCustmers" abstract="false" name="NumberOfCustmers" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="lite_AmericasExcludingUnitedStatesAndMexicoMember" abstract="true" name="AmericasExcludingUnitedStatesAndMexicoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_OtherAsiaPacificNotIndividuallyIdentifiedMember" abstract="true" name="OtherAsiaPacificNotIndividuallyIdentifiedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_OtherCountriesNotSeparatelyDisclosedMember" abstract="true" name="OtherCountriesNotSeparatelyDisclosedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_ComponentsMember" abstract="true" name="ComponentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_SystemsMember" abstract="true" name="SystemsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_ContractwithCustomerAssetafterAllowanceforCreditLossRollForward" abstract="true" name="ContractwithCustomerAssetafterAllowanceforCreditLossRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lite_ContractWithCustomerAssetPeriodIncreaseDecrease" abstract="false" name="ContractWithCustomerAssetPeriodIncreaseDecrease" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="lite_ContractwithCustomerLiabilityRollForward" abstract="true" name="ContractwithCustomerLiabilityRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lite_ContractWithCustomerLiabilityPeriodIncreaseDecrease" abstract="false" name="ContractWithCustomerLiabilityPeriodIncreaseDecrease" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="lite_ExchangedNotesMember" abstract="true" name="ExchangedNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_BrianLillieMember" abstract="true" name="BrianLillieMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_PamelaFletcherMember" abstract="true" name="PamelaFletcherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_PaulLundstromMember" abstract="true" name="PaulLundstromMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_JaeKimMember" abstract="true" name="JaeKimMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lite_IssacHarrisMember" abstract="true" name="IssacHarrisMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
