    <SEC-DOCUMENT>0001193125-25-025704-index.html : 20250213
    <SEC-HEADER>0001193125-25-025704.hdr.sgml : 20250213
    <ACCEPTANCE-DATETIME>20250213100118
    ACCESSION NUMBER:		0001193125-25-025704
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20241102
    FILED AS OF DATE:		20250213
    DATE AS OF CHANGE:		20250213
    EFFECTIVENESS DATE:		20250213

    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:			MD
    		FISCAL YEAR END:			1102

    	FILING VALUES:
    		FORM TYPE:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-36250
    		FILM NUMBER:		25617791

    	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>d806083dars.pdf
    <DESCRIPTION>ARS
    <TEXT>
    Document 1 - file: d806083dars.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>