Apparatus comprising an all-optical gate
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United States of America Patent
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May 19, 1992
Issued Date -
N/A
app pub date -
May 10, 1991
filing date -
Apr 2, 1991
priority date (Note) -
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Abstract
It has been recognized that AlGaAs-containing planar waveguides can be advantageously used in all-optical gates for wavelengths in the range 1.2-1.7 .mu.m. In particular, such waveguides can produce in radiation pulses of center wavelength, .lambda..sub.s a phase shift of magnitude .pi. or larger while, at the same time, causing attenuation of the pulse by less than 1/e, provided hc/.lambda..sub.x
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