Avanex (AVNX) 10-Q 2003 Q3 Quarterly report

Exhibit 99.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER

PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Walter Alessandrini, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Quarterly Report of Avanex Corporation on Form 10-Q for the fiscal quarter ended March 28, 2003 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Quarterly Report on Form 10-Q fairly presents in all material respects the financial condition and results of operations of Avanex Corporation.

By:	/s/    WALTER ALESSANDRINI
Name:	Walter Alessandrini
Title:	President and Chief Executive Officer

I, Bruce Pollock, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Quarterly Report of Avanex Corporation on Form 10-Q for the fiscal quarter ended March 28, 2003 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Quarterly Report on Form 10-Q fairly presents in all material respects the financial condition and results of operations of Avanex Corporation.

By:	/s/    BRUCE POLLOCK
Name:	Bruce Pollock
Title:	Senior Vice President, Finance and Chief Financial Officer