The entire epitaxial structure consists of several cascade stages that are sandwiched between two separate confinement layers ( SCLs ), with other materials enclosing the SCLs to provide optical waveguide so that the cascade stages amplify guided optical modes.
12.
The entire epitaxial structure consists of several cascade stages that are sandwiched between two separate confinement layers ( SCLs ), with other materials enclosing the SCLs to provide optical waveguide so that the cascade stages amplify guided optical modes.