0000950133-08-002983 8-K 2 20080827 5.03 9.01 20080828 20080828 CIENA CORP 0000936395 3661 232725311 DE 1031 8-K 34 000-21969 081045571 1201 WINTERSON ROAD LINTHICUM MD 21090 4108658500 1201 WINTERSON ROAD LINTHICUM MD 21090 8-K 1 w66764e8vk.htm FORM 8-K EX-3.1 2 w66764exv3w1.htm EXHIBIT 3.1