<SEC-DOCUMENT>0000899243-20-010727-index.html : 20200414
<SEC-HEADER>0000899243-20-010727.hdr.sgml : 20200414
<ACCEPTANCE-DATETIME>20200414182115
ACCESSION NUMBER:		0000899243-20-010727
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20200413
FILED AS OF DATE:		20200414
DATE AS OF CHANGE:		20200414

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Yang Mary
		CENTRAL INDEX KEY:			0001809044

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36250
		FILM NUMBER:		20792253

	MAIL ADDRESS:	
		STREET 1:		7035 RIDGE RD
		CITY:			HANOVER
		STATE:			MD
		ZIP:			21076

ISSUER:		

	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

	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>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc3.xml
<DESCRIPTION>FORM 3 SUBMISSION
<TEXT>
Document 1 - file: doc3.html

Document 1 - RAW XML: doc3.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>attachment1.htm
<DESCRIPTION>EX-24 DOCUMENT
<TEXT>
Document 2 - file: attachment1.htm

</DOCUMENT>
</SEC-DOCUMENT>