| Patent Number |
Title Of Patent |
Date Issued |
| 7555225 |
Optical system comprising an FM source and a spectral reshaping element |
June 30, 2009 |
| An optical communication system which has an optical signal source adapted to receive a base binary signal and produce a first signal, said first signal being frequency modulated; andan optical spectrum reshaper adapted to reshape the first signal into a second signal, said second signal |
| 7536113 |
Chirp managed directly modulated laser with bandwidth limiting optical spectrum reshaper |
May 19, 2009 |
| A fiber optic communication system, comprising: an optical signal source adapted to produce a frequency modulated signal; and an optical spectrum reshaper adapted to receive the frequency modulated signal and output a substantially amplitude modulated signal; wherein the optical spectr |
| 7505694 |
Thermal chirp compensation systems for a chirp managed directly modulated laser (CML.TM.) data l |
March 17, 2009 |
| A fiber optic communication system for receiving an electronic digital data signal and transmitting the same, comprising an optical signal source adapted to receive the digital data signal and to produce a frequency modulated optical signal from a directly modulated semiconductor las |
| 7502532 |
Multi-ring resonator implementation of optical spectrum reshaper for chirp managed laser technol |
March 10, 2009 |
| There is provided a fiber optic transmission system, comprising: an optical signal source adapted to produce a frequency modulated signal; and a multi-ring resonator optical spectrum reshaper (OSR) adapted to convert the frequency modulated signal into a substantially amplitude mod |
| 7477851 |
Power source for a dispersion compensation fiber optic system |
January 13, 2009 |
| This invention generally relates to an optical filter for a fiber optic communication system. An optical filter may be used, following a directly modulated laser source, and converts a partially frequency modulated signal into a substantially amplitude modulated signal. The optical f |
| 7406267 |
Method and apparatus for transmitting a signal using thermal chirp management of a directly modu |
July 29, 2008 |
| A fiber optic transmitter comprising a digital driver adapted to adjust the crossing point of a digital base signal, an optical source adapted to receive the digital base signal and produce a frequency modulated optical signal, and an optical spectrum reshaper adapted to convert the freq |
| 7406266 |
Flat-topped chirp induced by optical filter edge |
July 29, 2008 |
| A fiber optic communication system comprising: an optical signal source adapted to produce a binary amplitude modulated signal; and an optical spectrum reshaper adapted to receive the amplitude modulated signal and to change the instantaneous frequency of the signal at its 0-to-1 and |
| 7376352 |
Chirp managed laser fiber optic system including an adaptive receiver |
May 20, 2008 |
| A fiber optic communication system comprising: an optical signal source adapted to produce a frequency modulated signal; and an optical spectrum reshaper (OSR) adapted to convert the frequency modulated signal into a substantially amplitude modulated signal, wherein the optical spectru |
| 7356264 |
Chirp managed laser with electronic pre-distortion |
April 8, 2008 |
| A fiber optic transmitter comprising: a digital driver adapted to adjust the rise time and fall time of a digital input signal; an optical source adapted to receive the digital signal and produce a frequency modulated optical signal; and an optical spectrum reshaper adapted to convert |
| 7352968 |
Chirped managed, wavelength multiplexed, directly modulated sources using an arrayed waveguide g |
April 1, 2008 |
| There is provided a fiber optic system comprising: a multi-wavelength source adapted to generate frequency modulated signals having different wavelengths, .lamda..sub.1, .lamda..sub.2, . . . , .lamda..sub.n; and an arrayed waveguide grating adapted to convert the multiplicity of fr |
| 7280721 |
Multi-ring resonator implementation of optical spectrum reshaper for chirp managed laser technol |
October 9, 2007 |
| There is provided a fiber optic transmission system, comprising: an optical signal source adapted to produce a frequency modulated signal; and a multi-ring resonator optical spectrum reshaper (OSR) adapted to convert the frequency modulated signal into a substantially amplitude mod |
| 7263291 |
Wavelength division multiplexing source using multifunctional filters |
August 28, 2007 |
| This invention provides a system that combines a wavelength multiplexer with an FM discriminator for chirp reduction and wavelength locker in a filter to produce a wavelength division multiplexed signal with reduced chirp. A partially frequency modulation laser signal is converted into a |
| 6963685 |
Power source for a dispersion compensation fiber optic system |
November 8, 2005 |
| This invention generally relates to an optical filter for a fiber optic communication system. An optical filter may be used, following a directly modulated laser source, and converts a partially frequency modulated signal into a substantially amplitude modulated signal. The optical filte |
