Limited POWER OF ATTORNEY - Securities Law Compliance

The undersigned, as a holder of common stock of JDS Uniphase corp. (the
"Company"), hereby appoints the Company's Secretary, finance director, stock
administrator, in-house attorneys, and each of them, his/her true and lawful
attorney-in-fact and agent to complete and execute Form 3,4 and 5 and any
other forms as such attorney shall in his or her discretion determine to be
required or advisable pursuant to Section 16 of the Securities Exchange Act
of 1934, as amended(the"Act"), and the rules and regulations promulgated
thereunder, or any successor laws and regulations, as a consequence of the
undersigned's ownership, acquisition or disposition of securities of the
Company, and to complete all acts necessary in order to file such forms with
the Securities and Exchange Commission, securities exhcange or national
association, the Company or such other person or agency as the attorney
shall deem appropricate.

The Undersigned hereby ratifies and confirms all actions and filings that said
attorneys and agents do or cause to be done by virtue hereof.

The authority of the attorneys-in-fact under this Limited Power of Attorney
shall continue until the undersigned is no longer required to file Forms 3,4
and 5, or other forms with regard to the undersigned's ownership, acquisition
or disposition of securities of the Company, unless earlier revoked in Writing.

The undersigned acknowledges that none of the attorneys-in-fact assumes any
of the undersigned's responsibilities to comply with Section 16 of the Act
and the rules and regulations promulgated thereunder, or any successor laws
and regulations.


This limited Power of Attorney was executed in San Jose, California on July
15th of 2003.


Signature:  /s/

Print Name: Thomas Znotins

