| | | | | | | | | | | | | | | | | | | | | |
<?xml version="1.0" encoding="windows-1252"?> |
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| <link:schemaRef xlink:href="cien-20201210.xsd" xlink:type="simple"/> |
| <context id="i48d86f8ed37e44b0a09b9ee68ab94830_D20201210-20201210"> |
| | <entity> |
| | | <identifier scheme="http://www.sec.gov/CIK"> 0000936395 </identifier> |
| | | </entity> |
| | <period> |
| | | <startDate> 2020-12-10 </startDate> |
| | | <endDate> 2020-12-10 </endDate> |
| | | </period> |
| | </context> |
| <dei:EntityCentralIndexKey contextRef="i48d86f8ed37e44b0a09b9ee68ab94830_D20201210-20201210" id="id3VybDovL2RvY3MudjEvZG9jOmFhMzFlMGZhMGY4YzRhOTBhYTE2NjY3YTY0YjhhOWFlL3NlYzphYTMxZTBmYTBmOGM0YTkwYWExNjY2N2E2NGI4YTlhZV80L2ZyYWc6ZTVlNmI3ZTliMDY5NGQ4Y2E5NGI0Y2I2ZWExOWRmY2EvdGFibGU6Njg2ZDQyMjhiNzMxNGYzY2I3ZTU2MzA5NjkwYjk3ZWEvdGFibGVyYW5nZTo2ODZkNDIyOGI3MzE0ZjNjYjdlNTYzMDk2OTBiOTdlYV8xLTEtMS0xLTA_304cbeb5-9034-4511-8b90-d2f814f9c341"> 0000936395 </dei:EntityCentralIndexKey> |
| <dei:AmendmentFlag contextRef="i48d86f8ed37e44b0a09b9ee68ab94830_D20201210-20201210" id="id3VybDovL2RvY3MudjEvZG9jOmFhMzFlMGZhMGY4YzRhOTBhYTE2NjY3YTY0YjhhOWFlL3NlYzphYTMxZTBmYTBmOGM0YTkwYWExNjY2N2E2NGI4YTlhZV80L2ZyYWc6ZTVlNmI3ZTliMDY5NGQ4Y2E5NGI0Y2I2ZWExOWRmY2EvdGFibGU6Njg2ZDQyMjhiNzMxNGYzY2I3ZTU2MzA5NjkwYjk3ZWEvdGFibGVyYW5nZTo2ODZkNDIyOGI3MzE0ZjNjYjdlNTYzMDk2OTBiOTdlYV8yLTEtMS0xLTA_ccc6d288-9d16-4a23-91d1-7363b65373ad"> false </dei:AmendmentFlag> |
| <dei:DocumentType contextRef="i48d86f8ed37e44b0a09b9ee68ab94830_D20201210-20201210" id="id3VybDovL2RvY3MudjEvZG9jOmFhMzFlMGZhMGY4YzRhOTBhYTE2NjY3YTY0YjhhOWFlL3NlYzphYTMxZTBmYTBmOGM0YTkwYWExNjY2N2E2NGI4YTlhZV8xL2ZyYWc6NTlkMjAyNjMxNWE1NGVhOGIyZmZhOTkyNTExZGNmMjUvdGV4dHJlZ2lvbjo1OWQyMDI2MzE1YTU0ZWE4YjJmZmE5OTI1MTFkY2YyNV8xMjMx_85168162-ca28-4f10-b03f-5672bcb8c34f"> 8-K </dei:DocumentType> |
| <dei:DocumentPeriodEndDate contextRef="i48d86f8ed37e44b0a09b9ee68ab94830_D20201210-20201210" id="id3VybDovL2RvY3MudjEvZG9jOmFhMzFlMGZhMGY4YzRhOTBhYTE2NjY3YTY0YjhhOWFlL3NlYzphYTMxZTBmYTBmOGM0YTkwYWExNjY2N2E2NGI4YTlhZV8xL2ZyYWc6NTlkMjAyNjMxNWE1NGVhOGIyZmZhOTkyNTExZGNmMjUvdGV4dHJlZ2lvbjo1OWQyMDI2MzE1YTU0ZWE4YjJmZmE5OTI1MTFkY2YyNV8yMzY_f4f6be12-9707-41fd-90f0-be07efe57cc1"> 2020-12-10 </dei:DocumentPeriodEndDate> |
| <dei:EntityRegistrantName contextRef="i48d86f8ed37e44b0a09b9ee68ab94830_D20201210-20201210" id="id3VybDovL2RvY3MudjEvZG9jOmFhMzFlMGZhMGY4YzRhOTBhYTE2NjY3YTY0YjhhOWFlL3NlYzphYTMxZTBmYTBmOGM0YTkwYWExNjY2N2E2NGI4YTlhZV8xL2ZyYWc6NTlkMjAyNjMxNWE1NGVhOGIyZmZhOTkyNTExZGNmMjUvdGV4dHJlZ2lvbjo1OWQyMDI2MzE1YTU0ZWE4YjJmZmE5OTI1MTFkY2YyNV8xMjI0_091a4d35-d0e2-4a51-b91e-31335ca5a949"> Ciena Corp </dei:EntityRegistrantName> |
| <dei:EntityFileNumber contextRef="i48d86f8ed37e44b0a09b9ee68ab94830_D20201210-20201210" id="id3VybDovL2RvY3MudjEvZG9jOmFhMzFlMGZhMGY4YzRhOTBhYTE2NjY3YTY0YjhhOWFlL3NlYzphYTMxZTBmYTBmOGM0YTkwYWExNjY2N2E2NGI4YTlhZV8xL2ZyYWc6NTlkMjAyNjMxNWE1NGVhOGIyZmZhOTkyNTExZGNmMjUvdGV4dHJlZ2lvbjo1OWQyMDI2MzE1YTU0ZWE4YjJmZmE5OTI1MTFkY2YyNV8xMjM1_057fd76c-0ee2-446b-8d23-23f5754f91ff"> 001-36250 </dei:EntityFileNumber> |
| <dei:EntityIncorporationStateCountryCode contextRef="i48d86f8ed37e44b0a09b9ee68ab94830_D20201210-20201210" id="id3VybDovL2RvY3MudjEvZG9jOmFhMzFlMGZhMGY4YzRhOTBhYTE2NjY3YTY0YjhhOWFlL3NlYzphYTMxZTBmYTBmOGM0YTkwYWExNjY2N2E2NGI4YTlhZV8xL2ZyYWc6NTlkMjAyNjMxNWE1NGVhOGIyZmZhOTkyNTExZGNmMjUvdGV4dHJlZ2lvbjo1OWQyMDI2MzE1YTU0ZWE4YjJmZmE5OTI1MTFkY2YyNV8xMjI1_cec966b7-c84f-4627-8934-fc56ae095388"> DE </dei:EntityIncorporationStateCountryCode> |
| <dei:EntityAddressAddressLine1 contextRef="i48d86f8ed37e44b0a09b9ee68ab94830_D20201210-20201210" id="id3VybDovL2RvY3MudjEvZG9jOmFhMzFlMGZhMGY4YzRhOTBhYTE2NjY3YTY0YjhhOWFlL3NlYzphYTMxZTBmYTBmOGM0YTkwYWExNjY2N2E2NGI4YTlhZV8xL2ZyYWc6NTlkMjAyNjMxNWE1NGVhOGIyZmZhOTkyNTExZGNmMjUvdGV4dHJlZ2lvbjo1OWQyMDI2MzE1YTU0ZWE4YjJmZmE5OTI1MTFkY2YyNV8xMjMy_daa45355-75c2-42f1-b03d-b3dfb785a33b"> 7035 Ridge Road </dei:EntityAddressAddressLine1> |
| <dei:EntityAddressCityOrTown contextRef="i48d86f8ed37e44b0a09b9ee68ab94830_D20201210-20201210" id="id3VybDovL2RvY3MudjEvZG9jOmFhMzFlMGZhMGY4YzRhOTBhYTE2NjY3YTY0YjhhOWFlL3NlYzphYTMxZTBmYTBmOGM0YTkwYWExNjY2N2E2NGI4YTlhZV8xL2ZyYWc6NTlkMjAyNjMxNWE1NGVhOGIyZmZhOTkyNTExZGNmMjUvdGV4dHJlZ2lvbjo1OWQyMDI2MzE1YTU0ZWE4YjJmZmE5OTI1MTFkY2YyNV8xMjI2_26f844e6-11da-4511-8b74-419708c844d3"> Hanover </dei:EntityAddressCityOrTown> |
| <dei:EntityAddressStateOrProvince contextRef="i48d86f8ed37e44b0a09b9ee68ab94830_D20201210-20201210" id="id3VybDovL2RvY3MudjEvZG9jOmFhMzFlMGZhMGY4YzRhOTBhYTE2NjY3YTY0YjhhOWFlL3NlYzphYTMxZTBmYTBmOGM0YTkwYWExNjY2N2E2NGI4YTlhZV8xL2ZyYWc6NTlkMjAyNjMxNWE1NGVhOGIyZmZhOTkyNTExZGNmMjUvdGV4dHJlZ2lvbjo1OWQyMDI2MzE1YTU0ZWE4YjJmZmE5OTI1MTFkY2YyNV8xMjI3_c6243a6c-864d-4780-ae8d-955601734cb7"> MD </dei:EntityAddressStateOrProvince> |
| <dei:EntityTaxIdentificationNumber contextRef="i48d86f8ed37e44b0a09b9ee68ab94830_D20201210-20201210" id="id3VybDovL2RvY3MudjEvZG9jOmFhMzFlMGZhMGY4YzRhOTBhYTE2NjY3YTY0YjhhOWFlL3NlYzphYTMxZTBmYTBmOGM0YTkwYWExNjY2N2E2NGI4YTlhZV8xL2ZyYWc6NTlkMjAyNjMxNWE1NGVhOGIyZmZhOTkyNTExZGNmMjUvdGV4dHJlZ2lvbjo1OWQyMDI2MzE1YTU0ZWE4YjJmZmE5OTI1MTFkY2YyNV8xMjI4_774c048e-5f8b-4b8a-b270-b146707edc97"> 23-2725311 </dei:EntityTaxIdentificationNumber> |
| <dei:EntityAddressPostalZipCode contextRef="i48d86f8ed37e44b0a09b9ee68ab94830_D20201210-20201210" id="id3VybDovL2RvY3MudjEvZG9jOmFhMzFlMGZhMGY4YzRhOTBhYTE2NjY3YTY0YjhhOWFlL3NlYzphYTMxZTBmYTBmOGM0YTkwYWExNjY2N2E2NGI4YTlhZV8xL2ZyYWc6NTlkMjAyNjMxNWE1NGVhOGIyZmZhOTkyNTExZGNmMjUvdGV4dHJlZ2lvbjo1OWQyMDI2MzE1YTU0ZWE4YjJmZmE5OTI1MTFkY2YyNV8xMjI5_9f204201-76fa-4cc4-8f85-299c3796a06d"> 21076 </dei:EntityAddressPostalZipCode> |
| <dei:CityAreaCode contextRef="i48d86f8ed37e44b0a09b9ee68ab94830_D20201210-20201210" id="id3VybDovL2RvY3MudjEvZG9jOmFhMzFlMGZhMGY4YzRhOTBhYTE2NjY3YTY0YjhhOWFlL3NlYzphYTMxZTBmYTBmOGM0YTkwYWExNjY2N2E2NGI4YTlhZV8xL2ZyYWc6NTlkMjAyNjMxNWE1NGVhOGIyZmZhOTkyNTExZGNmMjUvdGV4dHJlZ2lvbjo1OWQyMDI2MzE1YTU0ZWE4YjJmZmE5OTI1MTFkY2YyNV8xMjMz_269a869a-adc3-4ff8-a134-47d3fe98a317"> 410 </dei:CityAreaCode> |
| <dei:LocalPhoneNumber contextRef="i48d86f8ed37e44b0a09b9ee68ab94830_D20201210-20201210" id="id3VybDovL2RvY3MudjEvZG9jOmFhMzFlMGZhMGY4YzRhOTBhYTE2NjY3YTY0YjhhOWFlL3NlYzphYTMxZTBmYTBmOGM0YTkwYWExNjY2N2E2NGI4YTlhZV8xL2ZyYWc6NTlkMjAyNjMxNWE1NGVhOGIyZmZhOTkyNTExZGNmMjUvdGV4dHJlZ2lvbjo1OWQyMDI2MzE1YTU0ZWE4YjJmZmE5OTI1MTFkY2YyNV8xMjM0_c2d2980d-433b-4cfb-938b-1b76b1c4e5c4"> 694-5700 </dei:LocalPhoneNumber> |
| <dei:WrittenCommunications contextRef="i48d86f8ed37e44b0a09b9ee68ab94830_D20201210-20201210" id="id3VybDovL2RvY3MudjEvZG9jOmFhMzFlMGZhMGY4YzRhOTBhYTE2NjY3YTY0YjhhOWFlL3NlYzphYTMxZTBmYTBmOGM0YTkwYWExNjY2N2E2NGI4YTlhZV8xL2ZyYWc6NTlkMjAyNjMxNWE1NGVhOGIyZmZhOTkyNTExZGNmMjUvdGFibGU6MzRlYmIwYzM1MTViNGMzZGI1YjdkM2RkMGU5ZDBiZmYvdGFibGVyYW5nZTozNGViYjBjMzUxNWI0YzNkYjViN2QzZGQwZTlkMGJmZl8xLTAtMS0xLTA_dadb6941-0d8d-4d18-af1a-318691eed5c5"> false </dei:WrittenCommunications> |
| <dei:SolicitingMaterial contextRef="i48d86f8ed37e44b0a09b9ee68ab94830_D20201210-20201210" id="id3VybDovL2RvY3MudjEvZG9jOmFhMzFlMGZhMGY4YzRhOTBhYTE2NjY3YTY0YjhhOWFlL3NlYzphYTMxZTBmYTBmOGM0YTkwYWExNjY2N2E2NGI4YTlhZV8xL2ZyYWc6NTlkMjAyNjMxNWE1NGVhOGIyZmZhOTkyNTExZGNmMjUvdGFibGU6MzRlYmIwYzM1MTViNGMzZGI1YjdkM2RkMGU5ZDBiZmYvdGFibGVyYW5nZTozNGViYjBjMzUxNWI0YzNkYjViN2QzZGQwZTlkMGJmZl8yLTAtMS0xLTA_cc283943-cec5-4e1f-b1ad-579c734b8fd7"> false </dei:SolicitingMaterial> |
| <dei:PreCommencementTenderOffer contextRef="i48d86f8ed37e44b0a09b9ee68ab94830_D20201210-20201210" id="id3VybDovL2RvY3MudjEvZG9jOmFhMzFlMGZhMGY4YzRhOTBhYTE2NjY3YTY0YjhhOWFlL3NlYzphYTMxZTBmYTBmOGM0YTkwYWExNjY2N2E2NGI4YTlhZV8xL2ZyYWc6NTlkMjAyNjMxNWE1NGVhOGIyZmZhOTkyNTExZGNmMjUvdGFibGU6MzRlYmIwYzM1MTViNGMzZGI1YjdkM2RkMGU5ZDBiZmYvdGFibGVyYW5nZTozNGViYjBjMzUxNWI0YzNkYjViN2QzZGQwZTlkMGJmZl8zLTAtMS0xLTA_6a6f28a4-ce15-42cc-8a45-5f990cbff28d"> false </dei:PreCommencementTenderOffer> |
| <dei:PreCommencementIssuerTenderOffer contextRef="i48d86f8ed37e44b0a09b9ee68ab94830_D20201210-20201210" id="id3VybDovL2RvY3MudjEvZG9jOmFhMzFlMGZhMGY4YzRhOTBhYTE2NjY3YTY0YjhhOWFlL3NlYzphYTMxZTBmYTBmOGM0YTkwYWExNjY2N2E2NGI4YTlhZV8xL2ZyYWc6NTlkMjAyNjMxNWE1NGVhOGIyZmZhOTkyNTExZGNmMjUvdGFibGU6MzRlYmIwYzM1MTViNGMzZGI1YjdkM2RkMGU5ZDBiZmYvdGFibGVyYW5nZTozNGViYjBjMzUxNWI0YzNkYjViN2QzZGQwZTlkMGJmZl80LTAtMS0xLTA_bdd2efd2-e1eb-4db4-ad86-a1b5144ac5ca"> false </dei:PreCommencementIssuerTenderOffer> |
| <dei:Security12bTitle contextRef="i48d86f8ed37e44b0a09b9ee68ab94830_D20201210-20201210" id="id3VybDovL2RvY3MudjEvZG9jOmFhMzFlMGZhMGY4YzRhOTBhYTE2NjY3YTY0YjhhOWFlL3NlYzphYTMxZTBmYTBmOGM0YTkwYWExNjY2N2E2NGI4YTlhZV8xL2ZyYWc6NTlkMjAyNjMxNWE1NGVhOGIyZmZhOTkyNTExZGNmMjUvdGFibGU6MWRhMjIzODIzNTI4NDYwMGIzMmE4YzEzZWU4NzFiYjYvdGFibGVyYW5nZToxZGEyMjM4MjM1Mjg0NjAwYjMyYThjMTNlZTg3MWJiNl8yLTAtMS0xLTA_462cb1c2-c707-4b14-bbd6-ee621cd6fe0e"> Common stock, $0.01 par value </dei:Security12bTitle> |
| <dei:TradingSymbol contextRef="i48d86f8ed37e44b0a09b9ee68ab94830_D20201210-20201210" id="id3VybDovL2RvY3MudjEvZG9jOmFhMzFlMGZhMGY4YzRhOTBhYTE2NjY3YTY0YjhhOWFlL3NlYzphYTMxZTBmYTBmOGM0YTkwYWExNjY2N2E2NGI4YTlhZV8xL2ZyYWc6NTlkMjAyNjMxNWE1NGVhOGIyZmZhOTkyNTExZGNmMjUvdGFibGU6MWRhMjIzODIzNTI4NDYwMGIzMmE4YzEzZWU4NzFiYjYvdGFibGVyYW5nZToxZGEyMjM4MjM1Mjg0NjAwYjMyYThjMTNlZTg3MWJiNl8yLTEtMS0xLTA_f46a77b5-a78c-4642-bfee-50bb46d6be2a"> CIEN </dei:TradingSymbol> |
| <dei:SecurityExchangeName contextRef="i48d86f8ed37e44b0a09b9ee68ab94830_D20201210-20201210" id="id3VybDovL2RvY3MudjEvZG9jOmFhMzFlMGZhMGY4YzRhOTBhYTE2NjY3YTY0YjhhOWFlL3NlYzphYTMxZTBmYTBmOGM0YTkwYWExNjY2N2E2NGI4YTlhZV8xL2ZyYWc6NTlkMjAyNjMxNWE1NGVhOGIyZmZhOTkyNTExZGNmMjUvdGFibGU6MWRhMjIzODIzNTI4NDYwMGIzMmE4YzEzZWU4NzFiYjYvdGFibGVyYW5nZToxZGEyMjM4MjM1Mjg0NjAwYjMyYThjMTNlZTg3MWJiNl8yLTItMS0xLTA_eb4e241b-ae01-4b68-b74c-6432fc93a4db"> NYSE </dei:SecurityExchangeName> |
| <dei:EntityEmergingGrowthCompany contextRef="i48d86f8ed37e44b0a09b9ee68ab94830_D20201210-20201210" id="id3VybDovL2RvY3MudjEvZG9jOmFhMzFlMGZhMGY4YzRhOTBhYTE2NjY3YTY0YjhhOWFlL3NlYzphYTMxZTBmYTBmOGM0YTkwYWExNjY2N2E2NGI4YTlhZV8xL2ZyYWc6NTlkMjAyNjMxNWE1NGVhOGIyZmZhOTkyNTExZGNmMjUvdGV4dHJlZ2lvbjo1OWQyMDI2MzE1YTU0ZWE4YjJmZmE5OTI1MTFkY2YyNV8xMjMw_2de5c6b8-860c-47a4-a2f7-499920a064e5"> false </dei:EntityEmergingGrowthCompany> |
| </xbrl> |