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Phase information is preserved and faithfully recovered in a time-to-space conversion process of ultrashort optical pulses for the first time. Spatial interference between the pulse image and a coherent reference is used for phase detection.
Ever growing demand for internet data transmission capacity drives the search for innovative optical communications transmission and signal processing techniques. Optical time division multiplexing (OTDM) enables high baud rate data transmission on a single wavelength channel which, combined with advanced modulation formats, can maximize spectral efficiency. Time-to-space conversion is a complementary...
We report the first demonstration of time-to-space conversion of sub-picosecond pulses at 1.55μm in a nonlinear slab waveguide using non-degenerate, collinear SFG. A time window of 46ps and serial-to-parallel demultiplexing factor of 93 were achieved.
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