Experiments demonstrated potential of four-mode squeezing for increasing immunity to noise in fiber-optical communication systems and interferometric devices. Four-mode squeezing reduces quantum noise more than ordinary squeezing and provides partial immunity to non-quantum-mechanical phase noise arising in such media as optical fibers.
Four-Mode Squeezing For Optical Communications
NASA Tech Briefs ; 13 , 7
1989-07-01
Miscellaneous
No indication
English
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