Monday, January 28, 2013

1301.5945 (Peilong Hong et al.)

High Visibility Two-photon Interference with Classical Light    [PDF]

Peilong Hong, Lei Xu, Zhaohui Zhai, Guoquan Zhang
Two-photon interference with independent classical sources, in which superposition of two indistinguishable two-photon paths plays a key role, is of limited visibility of interference fringes with a maximum value of 50%. By using a random-phase grating to modulate the wavefront of a coherent light, we introduce superposition of multiple indistinguishable two-photon paths, which enhances the two-photon interference effect with a signature of visibility exceeding 50%. The result shows the importance of phase control in the control of high-order coherence of classical light.
View original: http://arxiv.org/abs/1301.5945

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