Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Optical FM source based on intra-cavity phase and amplitude modulation in lasers










Image Number 17 for United States Patent #7907648.

A laser is disclosed including a gain section having a distributed feedback grating imposed thereon. An absorption section is embedded in the gain section such that the first and second portions of the distributed feedback grating extend on either side of the electro-absorption section. A controller imposes a substantially DC bias signal on the first and second gain electrodes and imposes a modulation signal encoding digital data on the modulation electrode to generate a frequency modulated signal. In some embodiments, the first and second portions are biased above the lasing threshold and the absorption section is modulated below the lasing threshold to modulate loss in the absorption section.








 
 
  Recently Added Patents
Conductor for transmitting electrical power
Polypeptides and immunizing compositions containing gram positive polypeptides and methods of use
System and method for customized prompting
SONOS stack with split nitride memory layer
Alterable account number
Laser processing machine
Systems and methods for generating a hybrid text string from two or more text strings generated by multiple automated speech recognition systems
  Randomly Featured Patents
Optical transmission and reception system, and optical transmission and reception module and optical cable for the system
Optical pickup and optical disk apparatus
Power amplifier, method for controlling power amplifier, and wireless communication apparatus
Catalysts for low-cure powder coatings and methods for using the same
Lightweight composite armor
Sealing member for fuel cell
Digital audio player
Removable covering for implantable frame projections
Corrosion protection system for a construction including a stay cable
Implantable biomedical chip with modulator for a wireless neural stimulation system