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 Redwood City, California on January 20th

of 2006.





Signature:  /s/



Print Name: Harold Covert