System and method for controlling spectral passband profile

Details System and method for controlling spectral passband profile System and method for controlling spectral passband profile

2006-11-28

2006-11-28

Lee, John D. (Department: 2874)

Optical waveguides

With optical coupler

Input/output coupler

C385S024000, C385S031000, C385S033000

Reexamination Certificate

active

07142749

ABSTRACT:
A system and method for wavelength division multiplexing and demultiplexing with broadened and flattened passband profiles are disclosed. A spectral modifying element may be used to broaden and flatten the passband profile of associated multiple wavelength optical signals and spectral components. The system preferably includes a light focusing device and a diffraction grating having a direction of dispersion. The spectral modify element primarily transforms or broadens and flattens optical signals in only the direction of dispersion of the associated diffraction grating.

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