<?xml version="1.0"?><ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>3</documentType><periodOfReport>2003-12-23</periodOfReport><noSecuritiesOwned>0</noSecuritiesOwned><issuer><issuerCik>0001121648</issuerCik><issuerName>OPTICNET INC</issuerName>        <issuerTradingSymbol>opct</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001260186</rptOwnerCik><rptOwnerName>OPTO ACQUISITION SUB INC</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>ONE POST STREET</rptOwnerStreet1><rptOwnerStreet2>SUITE 2500</rptOwnerStreet2><rptOwnerCity>SAN FRANCISCO</rptOwnerCity><rptOwnerState>CA</rptOwnerState><rptOwnerZipCode>94104</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>0</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>1</isTenPercentOwner><isOther>0</isOther></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivativeHolding><securityTitle><value>Common stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>2037613.0000</value><footnoteId id="F1" /></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>Common stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>5367235.0000</value><footnoteId id="F2" /></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeHolding></nonDerivativeTable><footnotes><footnote id="F1">Shares of common stock contributed by BEI Technologies, Inc. to Opto Acquisition Sub, Inc., a wholly owned subsidiary of BEI Technologies, Inc.</footnote><footnote id="F2">Shares purchased by Opto Acquisition Sub, Inc., a wholly owned subsidiary of BEI Technologies, Inc, pursuant to a tender offer for shares of OpticNet, Inc.</footnote></footnotes><remarks></remarks><ownerSignature><signatureName>Robert R. Corr</signatureName><signatureDate>2003-12-23</signatureDate></ownerSignature></ownershipDocument>

