0000950133-08-003045 10-Q 5 20080731 20080905 20080905 CIENA CORP 0000936395 3661 232725311 DE 1031 10-Q 34 000-21969 081058418 1201 WINTERSON ROAD LINTHICUM MD 21090 4108658500 1201 WINTERSON ROAD LINTHICUM MD 21090 10-Q 1 w66972e10vq.htm FORM 10-Q EX-31.1 2 w66972exv31w1.htm EXHIBIT 31.1 EX-31.2 3 w66972exv31w2.htm EXHIBIT 31.2 EX-32.1 4 w66972exv32w1.htm EXHIBIT 32.1 EX-32.2 5 w66972exv32w2.htm EXHIBIT 32.2