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Passive Components and Fiber-Based Devices

Nonclassical Light in Array of Single Mode Optical Waveguides

Ali Rostami, Alisa Javadi

Published Jan 1, 2010• 0 citations
Publisher

Abstract

In this paper, we investigate propagation of squeezed light in array of coupled waveguides which has tremendous potential for applications in engineering. We take a look at the possibility of Talbot effect with squeezed states of light. We also demonstrate how Hong-Ou-Mandel effect may be engineered to be relatively immune to fabrication imperfections.

DOI
10.1364/acp.2010.79861a

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In this paper, we investigate propagation of squeezed light in array of coupled waveguides which has tremendous potential for applications in engineering. We take a look at the possibility of Talbot effect with squeezed states of light. We also demonstrate how Hong-Ou-Mandel effect may be engineered to be relatively immune to fabrication imperfections.
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We study the transport and quantum walk of nonclassical light in an array of coupled waveguides which have properties like very low decoherence and thus making them ideal for storage of quantum information. We show how squeezing gets turned over from one waveguide to another. We further show how input nonclassical light can generate entanglement among different waveguides. Our results, which are valid for an arbitrary number of waveguides, involve both first quantization due to array structure and second quantization due to the quantum nature of fields and can also be used to discuss the Talbot effect in the quantum regime.
We present a scheme for generating and manipulating three-mode squeezed states with genuine tripartite entanglement by injecting single-mode squeezed light into an array of coupled optical waveguides. We explore the possibility to selectively generate single-mode squeezing or multimode squeezing at the output of an elliptical waveguide array, determined solely by the input light polarization. We study the effect of losses in the waveguide array and show that quantum correlations and squeezing are preserved for realistic parameters. Our results show that arrays of optical waveguides are suitable platforms for generating multimode quantum light, which could lead to novel applications in quantum metrology.