    <SEC-DOCUMENT>0001193125-24-027755-index.html : 20240208
    <SEC-HEADER>0001193125-24-027755.hdr.sgml : 20240208
    <ACCEPTANCE-DATETIME>20240208100158
    ACCESSION NUMBER:		0001193125-24-027755
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20231231
    FILED AS OF DATE:		20240208
    DATE AS OF CHANGE:		20240208
    EFFECTIVENESS DATE:		20240208

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			CIENA CORP
    		CENTRAL INDEX KEY:			0000936395
    		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE & TELEGRAPH APPARATUS [3661]
    		ORGANIZATION NAME:           	04 Manufacturing
    		IRS NUMBER:				232725311
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1028

    	FILING VALUES:
    		FORM TYPE:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-36250
    		FILM NUMBER:		24607197

    	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>ARS
    <SEQUENCE>1
    <FILENAME>d633640dars.pdf
    <DESCRIPTION>ARS
    <TEXT>
    Document 1 - file: d633640dars.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>