Abstract
A detailed numerical treatment is undertaken to investigate the
operating characteristics of a self-synchronization scheme based on a modified
Terahertz Optical Asymmetric Demultiplexer (TOAD) device for ultrafast packet
switching. The simulations agree with published experimental measurements. It
is shown that input picosecond optical pulse energies as low as ~100 fJ
can be utilized to achieve a larger than 10 dB contrast ratio of the first to
the remaining pulses of a transmitted signal packet. The utilization of low
input pulse energies in the scheme also provides significant advantages
including insensitivity of contrast ratio to pulse energies and pulse widths
as well as distortionless extracted pulse shapes. Means for achieving a
maximum contrast ratio are identified.
© 2000 IEEE
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