Review Article

In-Fiber Subpicosecond Pulse Shaping for Nonlinear Optical Telecommunication Data Processing at 640 Gbit/s

Figure 6

Schematics of the LPG-based common path interferometer for flat-top pulse shaping. The light is split by the first LPG, then propagates in the core and cladding modes with different speeds and is superimposed coherently using the second LPG.
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