<SEC-DOCUMENT>0000936395-18-000031-index.html : 20180830
<SEC-HEADER>0000936395-18-000031.hdr.sgml : 20180830
<ACCEPTANCE-DATETIME>20180830071435
ACCESSION NUMBER:		0000936395-18-000031
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		30
CONFORMED PERIOD OF REPORT:	20180830
ITEM INFORMATION:		Results of Operations and Financial Condition
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20180830
DATE AS OF CHANGE:		20180830

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CIENA CORP
		CENTRAL INDEX KEY:			0000936395
		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE & TELEGRAPH APPARATUS [3661]
		IRS NUMBER:				232725311
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36250
		FILM NUMBER:		181045519

	BUSINESS ADDRESS:	
		STREET 1:		7035 RIDGE ROAD
		CITY:			HANOVER
		STATE:			MD
		ZIP:			21076
		BUSINESS PHONE:		4108658500

	MAIL ADDRESS:	
		STREET 1:		7035 RIDGE ROAD
		CITY:			HANOVER
		STATE:			MD
		ZIP:			21076
</SEC-HEADER>
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Document 1 - file: a8-kq32018.htm

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Document 2 - file: exhibit991-2018q3earningsp.htm

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Document 4 - file: q318investorpresentation001.jpg

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Document 5 - file: q318investorpresentation002.jpg

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Document 8 - file: q318investorpresentation005.jpg

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Document 14 - file: q318investorpresentation011.jpg

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Document 16 - file: q318investorpresentation013.jpg

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Document 17 - file: q318investorpresentation014.jpg

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Document 18 - file: q318investorpresentation015.jpg

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Document 21 - file: q318investorpresentation018.jpg

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Document 22 - file: q318investorpresentation019.jpg

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Document 23 - file: q318investorpresentation020.jpg

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Document 24 - file: q318investorpresentation021.jpg

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Document 25 - file: q318investorpresentation022.jpg

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Document 26 - file: q318investorpresentation023.jpg

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Document 27 - file: q318investorpresentation024.jpg

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Document 28 - file: q318investorpresentation025.jpg

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Document 29 - file: q318investorpresentation026.jpg

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Document 30 - file: q318investorpresentation027.jpg

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