Technology for increasing bandwidth of semiconductor optical amplifiers/superluminescent diodes using non-identical multiple quantum wells
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United States of America Patent
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May 16, 2006
Grant Date -
Nov 6, 2003
app pub date -
Oct 9, 2001
filing date -
Apr 19, 2001
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Abstract
The present invention provides a technology for increasing the spectral width of semiconductor optical amplifiers, employing different separate confinement heterostructures (SCH's) so as to form non-identical multiple quantum wells such that the semiconductor photo-electronic devices have better temperature characteristics and more reliable modulation characteristics. If such a technology is used in the fabrication of semiconductor laser with a tunable wavelength, it is possible to achieve a large range of modulated wavelength, which is very useful in optical communication.
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