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                                                                    EXHIBIT 23.3

               CONSENT OF MORET ERNST & YOUNG ACCOUNTANTS, INDEPENDENT AUDITORS


We consent to the reference to our firm under the caption "Experts" and to the
incorporation by reference in the Registration Statement (Form S-3) and related
Prospectus of Uniphase Corporation for the registration of 729,510 shares of its
common stock 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/ Moret Ernst & Young Accountants

Eindhoven, the Netherlands
January 7, 1999