1 EXHIBIT 23.2 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Prospectus constituting part of the Registration Statement on Form S-1 (Nos. 333-17729 and 333-28325) and in the Registration Statement on Form S-8 (Nos. 333-27131 and 333-52467) of CIENA Corporation of our report dated November 26, 1997, except for Note 1-Principles of Consolidation, as to which the date is February 19, 1998 appearing in Item 5 of this Current Report on Form 8-K. Price Waterhouse LLP Falls Church, Virginia June 17, 1998