0001177261-08-000005 4 1 20080320 20080324 20080324 CIENA CORP 0000936395 3661 232725311 DE 1031 1201 WINTERSON ROAD LINTHICUM MD 21090 4108658500 1201 WINTERSON ROAD LINTHICUM MD 21090 ALEXANDER STEPHEN B 0001177261 4 34 000-21969 08706908 1201 WINTERSON ROAD LINTHICUM MD 21090 4108658500 C/O CIENA CORPORATION 1201 WINTERSON ROAD LINTHICUM MD 21090 4 1 edgardoc.xml PRIMARY DOCUMENT