TY - GEN
T1 - Time-to-space conversion of sub-picosecond waveforms at 1.55 μm in bulk and slab waveguide nonlinear media
AU - Marom, Dan M.
AU - Shayovitz, Dror
AU - Herrmann, Harald
AU - Sohler, Wolfgang
AU - Ricken, Raimund
AU - Silberhorn, Christine
PY - 2013
Y1 - 2013
N2 - 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 signal processing technique for all-optical serial-to-parallel demultiplexing of a Terabit/s OTDM channel. It is based on sum-frequency generation (SFG) between signal and reference pulses in a spectral processor and converts a time domain (serial) ultrashort signal waveform to a space domain (parallel) output image. We present two generations of time-to-space conversion, first in a bulk nonlinear crystal and then in a slab nonlinear waveguide. A ∼40ps time window of operation and sub-picosecond output image resolution were achieved, showing the potential of this technique for Terabit/s OTDM demultiplexing. In addition, the quasi-monochromatic SFG signal generated implies the possibility for coherent detection of the demultiplexed output tributaries, enabling compatibility with advanced modulation formats.
AB - 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 signal processing technique for all-optical serial-to-parallel demultiplexing of a Terabit/s OTDM channel. It is based on sum-frequency generation (SFG) between signal and reference pulses in a spectral processor and converts a time domain (serial) ultrashort signal waveform to a space domain (parallel) output image. We present two generations of time-to-space conversion, first in a bulk nonlinear crystal and then in a slab nonlinear waveguide. A ∼40ps time window of operation and sub-picosecond output image resolution were achieved, showing the potential of this technique for Terabit/s OTDM demultiplexing. In addition, the quasi-monochromatic SFG signal generated implies the possibility for coherent detection of the demultiplexed output tributaries, enabling compatibility with advanced modulation formats.
KW - Nonlinear optics
KW - optical communications
KW - optical signal processing.
KW - ultrafast optics
UR - http://www.scopus.com/inward/record.url?scp=84885197386&partnerID=8YFLogxK
U2 - 10.1109/ICTON.2013.6602789
DO - 10.1109/ICTON.2013.6602789
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AN - SCOPUS:84885197386
SN - 9781479906826
T3 - International Conference on Transparent Optical Networks
BT - 2013 15th International Conference on Transparent Optical Networks, ICTON 2013
T2 - 2013 15th International Conference on Transparent Optical Networks, ICTON 2013
Y2 - 23 June 2013 through 27 June 2013
ER -