Quantum phase noise reduction in soliton collisions and application to nondemolition measurements

Journal Article · Sat Oct 15 04:00:00 EDT 2005 · Physical Review. A

DOI:https://doi.org/10.1103/PhysRevA.72.041805· OSTI ID:20718680

Rand, Darren; Prucnal, Paul R ^[1]; Steiglitz, Ken ^[2]

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1. Department of Electrical Engineering, Princeton University, Princeton New Jersey 08544 (United States)
2. Department of Computer Science, Princeton University, Princeton New Jersey 08544 (United States)

We show that soliton collisions can reduce propagation-induced quantum phase noise. This effect originates from a negative correlation between self- and cross-phase-modulation-induced phase fluctuations. Furthermore, we show how this effect can be applied directly to improve the quality of soliton-based quantum nondemolition measurements, simply by adjusting the parameter regime in which the measurement is performed. Optimal implementation, which we show to be technologically feasible, favors short propagation distances, small wavelength separation between solitons, and approximately equal soliton amplitudes.

• OSTI ID: 20718680
• Journal Information: Physical Review. A, Journal Name: Physical Review. A Journal Issue: 4 Vol. 72; ISSN 1050-2947; ISSN PLRAAN
• Country of Publication: United States
• Language: English

Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS
AMPLITUDES
COLLISIONS
CORRELATIONS
DISTANCE
FLUCTUATIONS
MODULATION
NOISE
OPTICS
QUANTUM MECHANICS
SOLITONS
WAVELENGTHS