<SEC-DOCUMENT>0001193125-15-324451-index.html : 20150921
<SEC-HEADER>0001193125-15-324451.hdr.sgml : 20150921
<ACCEPTANCE-DATETIME>20150921162806
ACCESSION NUMBER:		0001193125-15-324451
CONFORMED SUBMISSION TYPE:	POS AM
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20150921
DATE AS OF CHANGE:		20150921

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:		POS AM
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-204732
		FILM NUMBER:		151117645

	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>POS AM
<SEQUENCE>1
<FILENAME>d33968dposam.htm
<DESCRIPTION>POST-EFFECTIVE AMENDMENT NO. 3
<TEXT>
Document 1 - file: d33968dposam.htm
</DOCUMENT> </SEC-DOCUMENT>