0000950133-08-001943 8-K/A 4 20080303 9.01 20080512 20080512 CIENA CORP 0000936395 3661 232725311 DE 1031 8-K/A 34 000-21969 08824103 1201 WINTERSON ROAD LINTHICUM MD 21090 4108658500 1201 WINTERSON ROAD LINTHICUM MD 21090 8-K/A 1 w55124e8vkza.htm FORM 8-K/A EX-23.1 2 w55124exv23w1.htm EXHIBIT 23.1 EX-99.1 3 w55124exv99w1.htm EXHIBIT 99.1 EX-99.2 4 w55124exv99w2.htm EXHIBIT 99.2