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Optical phase-space-time-frequency tomography
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DOI：10.1364/OE.19.007480.png)
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Abstract
En 中文
We present a new approach for constructing optical phase-space-time-frequency tomography (OPSTFT) of an optical wave field. This tomography can be measured by using a novel four-window optical imaging system based on two local oscillator fields balanced heterodyne detection. The OPSTFT is a Wigner distribution function of two independent Fourier Transform pairs, i.e., phase-space and time-frequency. From its theoretical and experimental aspects, it can provide information of position, momentum, time and frequency of a spatial light field with precision beyond the uncertainty principle. Besides the distributions of x - p and t - omega, the OPSTFT can provide four other distributions such as x - t, p - t, x - omega and p - omega. We simulate the OPSTFT for a light field obscured by a wire and a single-line absorption filter. We believe that the four-window system can provide spatial and temporal properties of a wave field for quantum image processing and biophotonics. (C) 2011 Optical Society of America
Keywords:
WIGNER FUNCTION
QUANTUM-STATE
LIGHT
DISTRIBUTIONS
Journal
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3.3
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14.3W