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                                                                    EXHIBIT 23.3

                      CONSENT OF ERNST & YOUNG ACCOUNTANTS,
                              INDEPENDENT AUDITORS


        We consent to the reference to our firm under the caption "Experts" in
the Registration Statement (Form S-3) and related prospectus of JDS Uniphase
Corporation for the registration of 8,000,000 shares of its common stock and to
the incorporation by reference therein of our report dated August 24, 1998, with
respect to the financial statements of Philips Optoelectronics, a division of
Koninklijke Philips Electronics N.V. included in its Amendment No. 2 to the
Current Report on Form 8-K/A dated August 25, 1998, filed with the Securities
and Exchange Commission.

                                                   /s/ Ernst & Young Accountants

        Eindhoven, the Netherlands

        July 13, 1999