-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
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 Sf6zW6fOwHbS9Lvam/Gsyg==

<SEC-DOCUMENT>0000950133-08-000408.txt : 20080208
<SEC-HEADER>0000950133-08-000408.hdr.sgml : 20080208
<ACCEPTANCE-DATETIME>20080208060738
ACCESSION NUMBER:		0000950133-08-000408
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		9
FILED AS OF DATE:		20080208
DATE AS OF CHANGE:		20080208
EFFECTIVENESS DATE:		20080208

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:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-21969
		FILM NUMBER:		08586802

	BUSINESS ADDRESS:	
		STREET 1:		1201 WINTERSON ROAD
		CITY:			LINTHICUM
		STATE:			MD
		ZIP:			21090
		BUSINESS PHONE:		4108658500

	MAIL ADDRESS:	
		STREET 1:		1201 WINTERSON ROAD
		CITY:			LINTHICUM
		STATE:			MD
		ZIP:			21090
</SEC-HEADER>
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<SEQUENCE>5
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<SEQUENCE>6
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<SEQUENCE>7
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<SEQUENCE>8
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