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Company:  OPNEXT INC
Form Type:  8-K
Filing Date:  3/21/2011 
CIK:  0001157780 
Address:  46429 LANDING PARKWAY 
City, State, Zip:  FREMONT, California 94538 
Telephone:  (510) 580-8828 
Fiscal Year:  03/31 
Description of Business
Opnext, Inc. (which may be referred to in this Form 10-K as the "Company," "we," "us," or "our") is a designer and manufacturer of optical components, modules and subsystems for communications uses. The majority of our revenue is derived from the sale of high speed optical communications products related to the transmission and reception of high speed optical signals over optical fiber. We sell our products, which enable high speed network connectivity to address the increasing data usage by the global population, to other businesses. Additionally, we sell infrared and visible light optical devices for industrial and commercial use. Our optical communications components consist of discrete transmitters and receivers typically consisting of a hermetically packaged compound semiconductor laser or photodetector.