0000950133-08-001294 8-K 5 20080326 5.02 5.03 9.01 20080327 20080327 CIENA CORP 0000936395 3661 232725311 DE 1031 8-K 34 000-21969 08715587 1201 WINTERSON ROAD LINTHICUM MD 21090 4108658500 1201 WINTERSON ROAD LINTHICUM MD 21090 8-K 1 w51425e8vk.htm FORM 8-K EX-3.1 2 w51425exv3w1.htm EXHIBIT 3.1 EX-10.1 3 w51425exv10w1.htm EXHIBIT 10.1 EX-10.2 4 w51425exv10w2.htm EXHIBIT 10.2 EX-10.3 5 w51425exv10w3.htm EXHIBIT 10.3