Using Optical Solitons to Increase Figure-of-Merit of Laser Beam Deflection Devices

Technology #9895

Questions about this technology? Ask a Technology Manager

Download Printable PDF

Image Gallery
FIG. 1 is a schematic block diagram illustrating bending of light using electro-optic effect;FIG. 2 is a schematic illustrating a beam propagating in a linear media (top panel); and also in soliton-forming media (bottom panel); FIG. 3A is a schematic demonstrating a situation when a soliton is not formed (linear propagation), and FIG. 3B is a schematic demonstrating when a soliton is formed (nonlinear propagation).
Categories
Inventors
Professor John Joannopoulos
Department of Physics, MIT
External Link (web.mit.edu)
Professor Marin Soljacic
Department of Physics, MIT
External Link (web.mit.edu)
Chiyan Luo
Mordechai Segev
Israel Institute of Technology
Managed By
Jim Freedman
MIT Technology Licensing Officer - Chemicals, Instruments, Consumer Products
Patent Protection

Using optical solitons to increase figure-of-merit of laser beam deflection devices

US Patent 7,027,681

Applications

This technology can be used in optical telecommunications, all-optical computing, LIDAR, laser printing and 3D imaging for scientific, medical (in-body surgery), artistic (architecture), and entertainment purposes.

Problem Addressed

Current methods of achieving fast light deflection is by using micro-electro-mechanical (MEMS), acousto-optic, and electro-optic devices. However, there is a significant tradeoff between the speed of the devices and  its number of addressable points using these methods. There is a need for fast light deflection with a large number of addressable points. 

Technology

The technology is a device for bending a laser beam that includes soliton-forming mechanism, which is positioned at the output of the beam deflection device. This mechanism receives the beam and increases the number of addressable points by a certain magnitude. This invention will be an enabling technology for ultra-fast 1-by-N switching applications, where N is large. It would also lead to important improvements in many other applications.

Advantages

  • It increases the number of addressable points of several orders of magnitude, better than the current state of art methods.
  • It can be used in a wide variety of applications such as telecommunications, computing and imaging.