EX-23.1 7 z44413a2ex23-1.txt OPINION OF PRICEWATERHOUSECOOPERS LLP 1 EXHIBIT 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in this Registration Statement on Form S-3 (No. 333-53922) of our reports dated December 6, 2000 relating to the consolidated financial statements and financial statement schedule, which appear in CIENA Corporation's Annual Report on Form 10-K for the year ended October 31, 2000, as amended. We also consent to the reference to us under the heading "Experts" in such Registration Statement. /s/PricewaterhouseCoopers LLP McLean, VA February 5, 2001