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EXHIBIT 23.1
CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS
We consent to the reference to our firm under the captions "Selected
Historical Consolidated Financial Data" and "Experts" included in the Proxy
Statement of E-TEK Dynamics, Inc. that is made a part of Amendment No. 2 to the
Registration Statement (Form S-4 No. 333-30240) and Prospectus of JDS Uniphase
Corporation for the registration of 156,083,400 shares of its common stock and
to the incorporation by reference therein of our report dated July 23, 1999
(except for Note 13, as to which the date is August 25, 1999), with respect to
the consolidated financial statements and schedule of JDS Uniphase Corporation
included in its Annual Report (Form 10-K/A) for the year ended June 30, 1999,
filed with the Securities and Exchange Commission.
/s/ Ernst & Young LLP
San Jose, California
May 30, 2000
