Broadband squeezed light from phase-locked single-mode sub-Poissonian lasers

Abstract

We consider sub-Poissonian single-mode laser with external synchronization and analyze its applicability to the problems of quantum information. Using Heisenberg-Langevin theory we calculate the quadrature variances of the field emitted by this laser. It is shown that such systems can demonstrate strong quadrature squeezing. Taking into account that the emitted field is temporally multi-mode the application of such sources to multichannel quantum teleportation and dense coding protocols is discussed.

14 pages, 7 figures

References in corpus (4)

• Inseparability criterion for continuous variable systems
• Dense Coding for Continuous Variables
• Quantum Dense Coding Exploiting Bright EPR Beam
• Quantum parallel dense coding of optical images

Cited by in corpus (8)

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• Optimized Laser Models with Heisenberg-Limited Coherence and Sub-Poissonian Beam Photon Statistics
• Quantum computations on the ensemble of two-node cluster states, obtained by sub-Poissonian lasers
• Storage and conversion of quantum-statistical properties of light in the resonant quantum memory on tripod atomic configuration
• Effect of saturated absorption on sub-Poissonian lasing
• Entanglement measurement of the quadrature components without the homodyne detection in the spatially multi-mode far-field
• Manipulation of quantum states in memory cell: controllable Mach-Zehnder interferometer