0001177261-08-000006 4 1 20080415 20080415 20080415 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 08757327 1201 WINTERSON ROAD LINTHICUM MD 21090 4108658500 C/O CIENA CORPORATION 1201 WINTERSON ROAD LINTHICUM MD 21090 4 1 edgardoc.xml PRIMARY DOCUMENT