Alliance Fiber Optic Products (AFOP) 10-Q 2013 Q2 Quarterly report

Exhibit 32.1

STATEMENT OF CHIEF EXECUTIVE OFFICER UNDER 18 U.S.C. § 1350

I, Peter C. Chang, the chief executive officer of Alliance Fiber Optic Products, Inc. (the “Company”), certify for the purposes of section 1350 of chapter 63 of title 18 of the United States Code that, to the best of my knowledge,

(i) the Quarterly Report of the Company on Form 10-Q for the period ended June 30, 2013 (the “Report”), fully complies with the requirements of section 13(a) of the Securities Exchange Act of 1934, and

(ii) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

     /s/ Peter C. Chang

Peter C. Chang

August 14, 2013

33