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.:
Date of Patent:
Apr. 22, 2008
Filed:
Jan. 31, 2003
Douglas M. Gill, South Orange, NJ (US);
David S. Levy, Freehold, NJ (US);
Xiang Liu, Marlboro, NJ (US);
Moncef B. Tayahi, Holmdel, NJ (US);
Xing Wei, New Providence, NJ (US);
Douglas M. Gill, South Orange, NJ (US);
David S. Levy, Freehold, NJ (US);
Xiang Liu, Marlboro, NJ (US);
Moncef B. Tayahi, Holmdel, NJ (US);
Xing Wei, New Providence, NJ (US);
Lucent Technologies Inc., Murray Hill, NJ (US);
Abstract
An apparatus and method are provided for transmitting an optical duobinary signal using a low bandwidth modulator having a bandwidth of less than about 60% of the transmission bit rate of the transmitter. The modulator is adapted to provide low pass filtering for low pass filtered duobinary transmission in an optical fiber transmission system having residual dispersion.