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
Organizer
Memory system with data line switching scheme
Cycloalkylamine substituted isoquinoline derivatives
Video reproducing apparatus and video reproducing method
DMAPN having a low DGN content and a process for preparing DMAPA having a low DGN content
Display apparatus, a method for a display control, and program
Steplessly adjustable cymbal locating device
  Randomly Featured Patents
Epitaxial layer structure grown on graded substrate and method of growing the same
Apparatus and method for inducing fibrillation
Rearview mirror alignment device
Abrasive composition for magnetic recording disc substrate
Chrysanthemum named "Blue Refla"
Diagonal strut for a system for the construction of arrangements used for mounting workpieces
Method of treating an electrophotographic-imaging member with a rare earth material
Triboligical performance of thermoplastic composites via thermally conductive material and other fillers and a process for making the composite and molded articles of the same
Intravascular catheter having combined imaging abrasion head
Transmission line filter