The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 8089381 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 03, 2012

Filed:

May. 29, 2009
Applicants:

Azad Siahmakoun, Terre Haute, IN (US);

Sergio Carlos Granieri, Terre Haute, IN (US);

Michael Ryan Gehl, Terre Haute, IN (US);

Inventors:

Azad Siahmakoun, Terre Haute, IN (US);

Sergio Carlos Granieri, Terre Haute, IN (US);

Michael Ryan Gehl, Terre Haute, IN (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An all-optical combined serial-to-parallel and digital-to-analog convertor using standard WDM technology is realized. The system is based on bit interleaving and cross-gain modulation (XGM) in a semiconductor optical amplifier (SOA). The optical system can operate on multiple-bit digital words at a very high bit rate. The analog output forms series of pulses with the amplitude of each pulse taking one of the eight discrete values. A low pass filter may be used to turn this bit stream into a continuous waveform, and thus arbitrary waveforms are generated. Unlike many current digital-to-analog converter designs, which double in size with each additional bit, the design presented here allows a linear growth in components, thus making higher bit systems practical.


Find Patent Forward Citations

Siahmakoun, Azad. (2012). Photonic d/a (U.S. Patent No. 8089381). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8089381

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