Patent ID: 7463193

Claim:
A system for processing electromagnetic beams, comprising: a first input coupler, operative to: receive a first electromagnetic beam, comprising energy from a second electromagnetic beam; and split the first electromagnetic beam into a first component and a second component; a second input coupler, operative to: receive the second electromagnetic beam, comprising energy from the first electromagnetic beam; and split the second electromagnetic beam into a third component and a fourth component; and a routing device, connected to the first and second input couplers and to a first and a second output coupler, operative to: receive the first, second, third, and fourth components; route the first and third components to the first output coupler; and route the second and fourth components to the second output coupler, wherein the first output coupler is operative to receive and combine the first and the third routed components and wherein the second output coupler is operative to receive and combine the second and fourth routed components.