<SUBMISSION>
<SECRELEASE-DATETIME> 20191212-070533 ⇐ Metadata from SEC Info (ET)
<SECWEBSITE-DATETIME> 20191212-070533 ⇐ Metadata from SEC Info (ET)
<ACCEPTANCE-DATETIME> 20191212-070447 ⇐ Filing accepted by SEC (ET)
<ACCESSION-NUMBER> 0000936395-19-000051
<TYPE> 8-K
<PUBLIC-DOCUMENT-COUNT> 42
<PERIOD> 20191212
<ITEMS> 2.02
<ITEMS> 9.01
<FILING-DATE> 20191212
<DATE-OF-FILING-DATE-CHANGE> 20191212
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<FILER>
<COMPANY-DATA>
<CONFORMED-NAME> CIENA CORP
<CIK> 0000936395
<ASSIGNED-SIC> 3661
<IRS-NUMBER> 232725311 ⇒ 23-2725311 or 232-72-5311
<STATE-OF-INCORPORATION> DE
<FISCAL-YEAR-END> 1031
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE> 8-K
<ACT> 34
<FILE-NUMBER> 001-36250
<FILM-NUMBER> 191281031
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1> 7035 RIDGE ROAD
<CITY> HANOVER
<STATE> MD
<ZIP> 21076
<PHONE> 4108658500
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1> 7035 RIDGE ROAD
<CITY> HANOVER
<STATE> MD
<ZIP> 21076
</MAIL-ADDRESS>
</FILER>
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<DOCUMENT>
<TYPE> 8-K
<SEQUENCE> 1
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<TEXT>
<XBRL>
<?xml version="1.0" encoding="UTF-8"?>
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<DOCUMENT>
<TYPE> EX-99.1
<SEQUENCE> 2
<FILENAME> ex991-2019q4pressrelea.htm
<DESCRIPTION> EXHIBIT 99.1
<TEXT>
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<DOCUMENT>
<TYPE> EX-99.2
<SEQUENCE> 3
<FILENAME> ex992q419earningspre.htm
<DESCRIPTION> EXHIBIT 99.2
<TEXT>
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<DOCUMENT>
<TYPE> EX-101.SCH
<SEQUENCE> 4
<FILENAME> cien-20191212.xsd
<DESCRIPTION> XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
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<DOCUMENT>
<TYPE> EX-101.CAL
<SEQUENCE> 5
<FILENAME> cien-20191212_cal.xml
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<DOCUMENT>
<TYPE> EX-101.DEF
<SEQUENCE> 6
<FILENAME> cien-20191212_def.xml
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<TEXT>
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<DOCUMENT>
<TYPE> EX-101.LAB
<SEQUENCE> 7
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<TEXT>
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<DOCUMENT>
<TYPE> EX-101.PRE
<SEQUENCE> 8
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<DOCUMENT>
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<DOCUMENT>
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<SEQUENCE> 42 ⇒ 41 ⇐ Document/Exhibit 13
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<TYPE> JSON
<SEQUENCE> 43 ⇒ 42 ⇐ Document/Exhibit 14
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</SUBMISSION> |
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