US Patent 7813654 Broadband linearization of photonic modulation using transversal equalization

Patent 7813654 was granted and assigned to Hrl Laboratories, Llc on October, 2010 by the United States Patent and Trademark Office.

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Current Assignee

Hrl Laboratories, Llc

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7813654

Date of Patent

October 12, 2010

Patent Application Number

11117656

Date Filed

April 27, 2005

Patent Primary Examiner

‌

Shi K. Li

Patent abstract

Transversal equalization is used to obtain broadband linearization of photonic modulation. A photonic link comprises a signal path and a feed-forward path. The feed-forward path includes an optical linearizer and a transversal equalizer connected with the optical linearizer. In this way, amplitude and phase matching of the error in the signal path is obtained over a wide bandwidth. This, in turn, enables a broadband enhancement of the link's spur free dynamic range (SFDR).

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