Exhibit 32.2
JDS UNIPHASE CORPORATION
CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO SECTION 906
OF THE SARBANES-OXLEY ACT OF 2002
In connection with the Quarterly Report of JDS Uniphase Corporation (the “Company”) on Form 10-Q for the quarter ended December 30, 2006 as filed with the Securities and Exchange Commission (the “Report”), I, David Vellequette, Executive Vice President and Chief Financial Officer of the Company, hereby certify as of the date hereof, solely for purposes of Title 18, Chapter 63, Section 1350 of the United States Code, that to the best of my knowledge:
| 1. | The Report fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934; and |
| 2. | The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company at the date hereof and for the periods indicated in the Report. |
This Certification has not been, and shall not be deemed, “filed” with the Securities and Exchange Commission.
Dated: February 6, 2007
/s/ David Vellequette |
| David Vellequette |
| Executive Vice President and Chief Financial Officer |