UNITED STATES SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

SCHEDULE 14A

INFORMATION REQUIRED IN PROXY STATEMENT

SCHEDULE 14A INFORMATION

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o Preliminary Proxy Statement		o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
o Definitive Proxy Statement
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o Soliciting Material Pursuant to §240.14a-12

Ciena Corporation

(Name of Registrant as Specified in Its Charter)

(Name of Person(s) Filing Proxy Statement if other than the Registrant)

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IMPORTANT ANNUAL SHAREHOLDERS’ MEETING INFORMATION
YOUR VOTE COUNTS!

Important Notice Regarding the Availability of Proxy Materials for the
Ciena Corporation 2008 Annual Meeting of Shareholders to be Held on March 26, 2008

Under new Securities and Exchange Commission rules, you are receiving this notice that the proxy materials for the annual meeting are available on the Internet. Follow the instructions below to view the materials and vote online or request a printed copy. The items to be voted on and location of the annual meeting are on the reverse side. Your vote is important!

This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. We encourage you to access and review all of the important information contained in the proxy materials before voting. The annual report and proxy statement are available at:

		Easy Online Access — A Convenient Way to View Proxy Materials and Vote When you go online to view materials, you can also vote your shares or request printed materials. Step 1: Go to www.envisionreports.com/ciena. Step 2: Click the Cast your Vote or Request Printed Materials section. Step 3: Follow the instructions on the screen to log in. Step 4: Make your selection as instructed on each screen to select delivery preferences and vote.

When you go online, you can also help the environment by consenting to receive electronic delivery of future mailings.

Obtaining a Copy of the Proxy Materials — If you want to receive a paper or e-mail copy of these documents, you must request one. There is no charge to you for requesting a copy. Please make your request for a copy as instructed on the reverse side on or before March 12, 2008 to facilitate timely delivery.

The Ciena Corporation 2008 Annual Meeting of Shareholders will be held on March 26, 2008 at the Baltimore Marriott Waterfront Hotel, located at 700 Aliceanna Street, Baltimore, MD 21202, at 3:00 p.m. Eastern Time. Directions to the annual meeting can be found in the proxy statement.

Proposals to be voted on at the meeting are listed below along with the Board of Directors’ recommendations. The Board of Directors recommends that you vote “FOR” the following proposals:

	1.		Election of the following Class II Directors: Harvey B. Cash Judith M. O’Brien Gary B. Smith
	2.		Approval of Ciena’s 2008 Omnibus Incentive Plan.
	3.		Approval of an amendment and restatement of Ciena’s Third Restated Certificate of Incorporation, as amended, to increase the number of authorized shares of common stock from 140 million to 290 million and to make certain other changes.
	4.		Ratification of the appointment of PricewaterhouseCoopers LLP as Ciena’s independent registered public accounting firm for the fiscal year ending October 31, 2008.

Please note: This is not a proxy. To vote your shares you must vote online or request a set of printed proxy materials to receive a proxy card. If you wish to attend and vote at the annual meeting, please bring this notice and identification with you.