0001360607-08-000004 4 1 20080327 20080328 20080328 Aquino Michael Gerald 0001360607 4 34 000-21969 08718743 410-694-5700 C/O CIENA CORPORATION 1201 WINTERSON ROAD LINTHICUM MD 21090 CIENA CORP 0000936395 3661 232725311 DE 1031 1201 WINTERSON ROAD LINTHICUM MD 21090 4108658500 1201 WINTERSON ROAD LINTHICUM MD 21090 4 1 edgardoc.xml PRIMARY DOCUMENT