<SEC-DOCUMENT>0001193125-21-047191-index.html : 20210218
<SEC-HEADER>0001193125-21-047191.hdr.sgml : 20210218
<ACCEPTANCE-DATETIME>20210218091503
ACCESSION NUMBER:		0001193125-21-047191
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		80
CONFORMED PERIOD OF REPORT:	20210401
FILED AS OF DATE:		20210218
DATE AS OF CHANGE:		20210218

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:		21647823

	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>d80516ddef14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: d80516ddef14a.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>g80516dsp002.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: g80516dsp002.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g80516dsp003.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: g80516dsp003.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g80516g00a00.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g80516g00a00.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g80516g00a12.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: g80516g00a12.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g80516g01a20.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: g80516g01a20.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>g80516g01a22.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: g80516g01a22.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>g80516g01c22.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: g80516g01c22.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>g80516g01p20.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: g80516g01p20.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>g80516g01v01.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: g80516g01v01.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>g80516g02a33.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: g80516g02a33.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>g80516g02b02.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: g80516g02b02.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>g80516g02s33.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 13 - file: g80516g02s33.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>g80516g05a22.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 14 - file: g80516g05a22.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>g80516g05b00.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 15 - file: g80516g05b00.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>g80516g05c22.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 16 - file: g80516g05c22.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>17 <FILENAME>g80516g05d11.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 17 - file: g80516g05d11.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>18 <FILENAME>g80516g05e22.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 18 - file: g80516g05e22.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>19 <FILENAME>g80516g05f11.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 19 - file: g80516g05f11.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>20 <FILENAME>g80516g05g33.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 20 - file: g80516g05g33.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>21 <FILENAME>g80516g05h66.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 21 - file: g80516g05h66.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>22 <FILENAME>g80516g05i99.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 22 - file: g80516g05i99.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>23 <FILENAME>g80516g05j90.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 23 - file: g80516g05j90.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>24 <FILENAME>g80516g05k11.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 24 - file: g80516g05k11.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>25 <FILENAME>g80516g05l99.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 25 - file: g80516g05l99.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>26 <FILENAME>g80516g06a10.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 26 - file: g80516g06a10.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>27 <FILENAME>g80516g06b02.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 27 - file: g80516g06b02.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>28 <FILENAME>g80516g06c34.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 28 - file: g80516g06c34.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>29 <FILENAME>g80516g06d28.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 29 - file: g80516g06d28.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>30 <FILENAME>g80516g06g40.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 30 - file: g80516g06g40.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>31 <FILENAME>g80516g07a00.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 31 - file: g80516g07a00.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>32 <FILENAME>g80516g07a01.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 32 - file: g80516g07a01.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>33 <FILENAME>g80516g07p11.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 33 - file: g80516g07p11.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>34 <FILENAME>g80516g08a10.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 34 - file: g80516g08a10.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>35 <FILENAME>g80516g08b22.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 35 - file: g80516g08b22.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>36 <FILENAME>g80516g09a02.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 36 - file: g80516g09a02.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>37 <FILENAME>g80516g09b03.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 37 - file: g80516g09b03.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>38 <FILENAME>g80516g09b04.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 38 - file: g80516g09b04.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>39 <FILENAME>g80516g11a01.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 39 - file: g80516g11a01.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>40 <FILENAME>g80516g11b02.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 40 - file: g80516g11b02.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>41 <FILENAME>g80516g11b03.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 41 - file: g80516g11b03.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>42 <FILENAME>g80516g11b04.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 42 - file: g80516g11b04.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>43 <FILENAME>g80516g11c50.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 43 - file: g80516g11c50.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>44 <FILENAME>g80516g12a10.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 44 - file: g80516g12a10.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>45 <FILENAME>g80516g13b45.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 45 - file: g80516g13b45.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>46 <FILENAME>g80516g13z58.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 46 - file: g80516g13z58.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>47 <FILENAME>g80516g14f89.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 47 - file: g80516g14f89.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>48 <FILENAME>g80516g14v42.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 48 - file: g80516g14v42.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>49 <FILENAME>g80516g15t63.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 49 - file: g80516g15t63.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>50 <FILENAME>g80516g15z99.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 50 - file: g80516g15z99.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>51 <FILENAME>g80516g16a58.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 51 - file: g80516g16a58.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>52 <FILENAME>g80516g16z36.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 52 - file: g80516g16z36.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>53 <FILENAME>g80516g17a58.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 53 - file: g80516g17a58.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>54 <FILENAME>g80516g19a10.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 54 - file: g80516g19a10.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>55 <FILENAME>g80516g20r20.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 55 - file: g80516g20r20.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>56 <FILENAME>g80516g21e68.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 56 - file: g80516g21e68.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>57 <FILENAME>g80516g22o89.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 57 - file: g80516g22o89.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>58 <FILENAME>g80516g23o14.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 58 - file: g80516g23o14.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>59 <FILENAME>g80516g41a10.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 59 - file: g80516g41a10.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>60 <FILENAME>g80516g41d58.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 60 - file: g80516g41d58.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>61 <FILENAME>g80516g41g69.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 61 - file: g80516g41g69.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>62 <FILENAME>g80516g41u89.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 62 - file: g80516g41u89.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>63 <FILENAME>g80516g41z69.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 63 - file: g80516g41z69.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>64 <FILENAME>g80516g42x78.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 64 - file: g80516g42x78.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>65 <FILENAME>g80516g43d20.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 65 - file: g80516g43d20.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>66 <FILENAME>g80516g43o01.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 66 - file: g80516g43o01.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>67 <FILENAME>g80516g43v13.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 67 - file: g80516g43v13.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>68 <FILENAME>g80516g45m45.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 68 - file: g80516g45m45.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>69 <FILENAME>g80516g46a25.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 69 - file: g80516g46a25.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>70 <FILENAME>g80516g46z47.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 70 - file: g80516g46z47.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>71 <FILENAME>g80516g47a58.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 71 - file: g80516g47a58.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>72 <FILENAME>g80516g47g63.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 72 - file: g80516g47g63.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>73 <FILENAME>g80516g47z51.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 73 - file: g80516g47z51.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>74 <FILENAME>g80516g49h49.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 74 - file: g80516g49h49.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>75 <FILENAME>g80516g49h50.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 75 - file: g80516g49h50.jpg
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</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>77 <FILENAME>g80516g52m52.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 77 - file: g80516g52m52.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>78 <FILENAME>g80516g52m53.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 78 - file: g80516g52m53.jpg
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</DOCUMENT> </SEC-DOCUMENT>