<SEC-DOCUMENT>0000936395-23-000005-index.html : 20230216
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<ACCEPTANCE-DATETIME>20230216103023
ACCESSION NUMBER:		0000936395-23-000005
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20230216
DATE AS OF CHANGE:		20230216

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:			1029

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36250
		FILM NUMBER:		23637447

	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
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<TYPE>DEFA14A
<SEQUENCE>1
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<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: defa14anotice2023proxy.htm

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<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>capture1a.jpg
<TEXT>
Document 2 - file: capture1a.jpg

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<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>capture21a.jpg
<TEXT>
Document 3 - file: capture21a.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>capture2a.jpg
<TEXT>
Document 4 - file: capture2a.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>capture3.jpg
<TEXT>
Document 5 - file: capture3.jpg

</DOCUMENT>
</SEC-DOCUMENT>