<SUBMISSION>
<ACCESSION-NUMBER>0001140361-07-022585
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>2
<PERIOD>20071116
<FILING-DATE>20071120
<DATE-OF-FILING-DATE-CHANGE>20071120
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>JDS UNIPHASE CORP /CA/
<CIK>0000912093
<ASSIGNED-SIC>3674
<IRS-NUMBER>942579683
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>0630
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>430 NORTH MCCARTHY BOULEVARD
<CITY>MILPITAS
<STATE>CA
<ZIP>95035
<PHONE>4085465000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>430 NORTH MCCARTHY BOULEVARD
<CITY>MILPITAS
<STATE>CA
<ZIP>95035
</MAIL-ADDRESS>
</ISSUER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>LIEBHABER RICHARD
<CIK>0001182381
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>000-22874
<FILM-NUMBER>071260258
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>JDS UNIPHASE CORP
<STREET2>1768 AUTOMATION PKWY
<CITY>SAN JOSE
<STATE>CA
<ZIP>95131
</BUSINESS-ADDRESS>
</REPORTING-OWNER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2007-11-16</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000912093</issuerCik>
        <issuerName>JDS UNIPHASE CORP /CA/</issuerName>
        <issuerTradingSymbol>JDSU</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001182381</rptOwnerCik>
            <rptOwnerName>LIEBHABER RICHARD</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O JDS UNIPHASE CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>430 N MCCARTHY BOULEVARD</rptOwnerStreet2>
            <rptOwnerCity>MILPITAS</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95035</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Unit</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.00</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2007-11-16</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3003</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>3003</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3003</value>
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                    <value>D</value>
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                <natureOfOwnership>
                    <value></value>
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        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Non-qualified Stock Option (Right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>13.32</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2007-11-16</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1250</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>13.32</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2015-11-16</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1250</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1250</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Non-qualified Stock Option (Right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>13.32</value>
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            <transactionDate>
                <value>2007-11-16</value>
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            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>375</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>13.32</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F3"/>
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            <expirationDate>
                <value>2015-11-16</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>375</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>375</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Units vest at the rate of 1/3rd of the total grant each year for three years from the date of grant.</footnote>
        <footnote id="F2">Each unit converts upon vesting into one share of common stock.</footnote>
        <footnote id="F3">The option vests and becomes exercisable with respect to 1/12th of the total grant each month for 12 months from the date of grant.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Sheri Piazza, Sr. Stock Administrator, Attorney-in-fact</signatureName>
        <signatureDate>2007-11-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24.1
<SEQUENCE>2
<FILENAME>poa1.htm
<DESCRIPTION>POWER OF ATTORNEY
<TEXT>
<html>

  <head>
    <title>Unassociated Document</title>
    <!--Licensed to: EDGARfilings-->
    <!--Document Created using EDGARizer 4.0.1.0-->
    <!--Copyright 2007 EDGARfilings, Ltd., an IEC company.-->
    <!--All rights reserved EDGARfilings.com-->
  </head>
  <body bgcolor="#ffffff">
    <div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">
        <div>
          <hr style="COLOR: black" align="left" noshade size="4" width="100%">
        </div>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman;"><strong>Limited
        Power of Attorney - Securities Law Compliance</strong></font></div>
      <div><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">The
        undersigned, as a holder of common stock of JDSU Corp. (the
&#8220;<strong>Company&#8221;</strong>), hereby appoints the Company&#8217;s Secretary, finance
        director, stock administrator, in-house attorneys, and each of them, his/her
        true and lawful attorney-in-fact and agent to complete and execute Forms
        3, 4
        and 5 and any other forms as such attorney shall in his or her discretion
        determine to be required or advisable pursuant to Section 16 of the Securities
        Exchange Act of 1934, as amended (the &#8220;<strong>Act</strong>&#8221;), and the rules and
        regulations promulgated thereunder, or any successor laws and regulations,
        as a
        consequence of the undersigned's ownership, acquisition or disposition of
        securities of the Company, and to complete all acts necessary in order to
        file
        such forms with the Securities and Exchange Commission, securities exchange
        or
        national association, the Company or such other person or agency as the attorney
        shall deem appropriate.</font></div>
      <div><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">The
        undersigned hereby ratifies and confirms all actions and filings that said
        attorneys and agents do or cause to be done by virtue hereof.</font></div>
      <div><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">The
        authority of the attorneys-in-fact under this Limited Power of Attorney shall
        continue until the undersigned is no longer required to file Forms 3, 4 and
        5,
        or other forms with regard to the undersigned's ownership, acquisition or
        disposition of securities of the Company, unless earlier revoked in
        writing.</font></div>
      <div><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><strong>The
        undersigned acknowledges that none of the attorneys-in-fact assumes any of
        the
        undersigned's responsibilities to comply with Section 16 of the Act and the
        rules and regulations promulgated thereunder, or any successor laws and
        regulations.</strong></font></div>
      <div><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;">This
        Limited Power of Attorney was executed in <u>Fairfax County, Virginia</u> on the
        date set forth below.</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;"><font style="DISPLAY: inline; FONT-SIZE: 10pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;
        (location)</font></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div align="left">
        <table cellpadding="0" cellspacing="0" width="100%">

            <tr>
              <td valign="top" width="50%" style="PADDING-BOTTOM: 2px"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td align="left" valign="top" width="50%" style="BORDER-BOTTOM: black 2px solid">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">/s/
                  Richard Liebhaber</font></div>
              </td>
            </tr>
            <tr>
              <td valign="top" width="50%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td align="left" valign="top" width="50%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">Signature</font></div>
              </td>
            </tr>
            <tr>
              <td valign="top" width="50%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td valign="top" width="50%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
            </tr>
            <tr>
              <td valign="top" width="50%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td align="left" valign="top" width="50%" style="BORDER-BOTTOM: black 2px solid">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">November
                  13, 2007</font></div>
              </td>
            </tr>
            <tr>
              <td valign="top" width="50%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">&#160;</font></td>
              <td align="left" valign="top" width="50%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman;">Date</font></div>
              </td>
            </tr>

        </table>
      </div>
    </div>
    <div>&#160;</div>
    <div>&#160;</div>
    <div>&#160;</div>
    <div>
      <div>
        <div>
          <hr style="COLOR: black" align="left" noshade size="2" width="100%">
        </div>
      </div>
      <div>&#160;</div>
    </div>
  </body>
</html>
</TEXT>
</DOCUMENT>
</SUBMISSION>
