UNITED STATES SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(D) OF THE
SECURITIES EXCHANGE ACT OF 1934

Date of report (Date of earliest event reported) December 13, 2006

Ciena Corporation

(Exact Name of Registrant as Specified in Its Charter)

Delaware

(State or Other Jurisdiction of Incorporation)

0-21969	23-2725311
(Commission File Number)	(IRS Employer Identification No.)

1201 Winterson Road, Linthicum, MD	21090
(Address of Principal Executive Offices)	(Zip Code)

(410) 865-8500

(Registrant’s Telephone Number, Including Area Code)

(Former Name or Former Address, if Changed Since Last Report)

     Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

     o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

     o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

     o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

     o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

EXPLANATORY NOTE

The information in this report is being filed pursuant to Instruction 2 to Item 5.02 of Form 8-K in order to provide additional information under Item 5.02(d)(3). This report updates information previously disclosed by the Registrant in Item 5 of Part II of its Form 10-Q filed on August 31, 2006.

ITEM 5.02 — ELECTION OF DIRECTOR

      (d)(3) On December 13, 2006, Ciena’s Board of Directors appointed Bruce L. Claflin to serve on the Audit Committee. Mr. Claflin was originally appointed to the Board of Directors on August 30, 2006.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

	Ciena Corporation
Date: December 13, 2006	By:	/S/ Russell B. Stevenson, Jr.
		Russell B. Stevenson, Jr.
		Senior Vice President, General Counsel and Secretary