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Journal of the Optical Society of America B: Optical Physics
Broad-band squeezed states of light are generated by forward nondegenerate four-wave mixing in a single-mode optical fiber cooled below 4.2 K. The minimum total noise level was (12.5 ± 0.5)% below the standard quantum limit. © 1986 The American Physical Society.
G.J. Milburn, D.F. Walls, et al.
Journal of the Optical Society of America B: Optical Physics
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Physical Review B
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Optics Letters