<SEC-DOCUMENT>0001193125-17-033954-index.html : 20170208
<SEC-HEADER>0001193125-17-033954.hdr.sgml : 20170208
<ACCEPTANCE-DATETIME>20170208084604
ACCESSION NUMBER:		0001193125-17-033954
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		20
CONFORMED PERIOD OF REPORT:	20170323
FILED AS OF DATE:		20170208
DATE AS OF CHANGE:		20170208
EFFECTIVENESS DATE:		20170208

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:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36250
		FILM NUMBER:		17581008

	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>DEF 14A
<SEQUENCE>1
<FILENAME>d261694ddef14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: d261694ddef14a.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>g261694g22l34.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: g261694g22l34.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g261694g22n52.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: g261694g22n52.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g261694g29j76.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g261694g29j76.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g261694g39u34.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: g261694g39u34.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g261694g46m92.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: g261694g46m92.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>g261694g48c75.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: g261694g48c75.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>g261694g50k77.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: g261694g50k77.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>g261694g52z39.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: g261694g52z39.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>g261694g53g29.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: g261694g53g29.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>g261694g55e68.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: g261694g55e68.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>g261694g67i71.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: g261694g67i71.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>g261694g74q27.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 13 - file: g261694g74q27.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>g261694g81s25.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 14 - file: g261694g81s25.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>g261694g83w46.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 15 - file: g261694g83w46.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>g261694g88g39.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 16 - file: g261694g88g39.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>17 <FILENAME>g261694g98l78.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 17 - file: g261694g98l78.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>18 <FILENAME>g261694g99p04.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 18 - file: g261694g99p04.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>19 <FILENAME>g261694img1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 19 - file: g261694img1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>20 <FILENAME>g261694img2.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 20 - file: g261694img2.jpg
</DOCUMENT> </SEC-DOCUMENT>