High-Visibility Time-Bin Entanglement for Testing Chained Bell Inequalities

Abstract

The violation of Bell's inequality requires a well-designed experiment to validate the result. In experiments using energy-time and time-bin entanglement, initially proposed by Franson in 1989, there is an intrinsic loophole due to the high postselection. To obtain a violation in this type of experiment, a chained Bell inequality must be used. However, the local realism bound requires a high visibility in excess of 94.63 percent in the time-bin entangled state. In this work, we show how such a high visibility can be reached in order to violate a chained Bell inequality with 6, 8 and 10 terms.

8 pages, 4 figures

References in corpus (4)

• Loopholes in Bell Inequality Tests of Local Realism
• Proposed Bell experiment with genuine energy-time entanglement
• Testing Hardy nonlocality proof with genuine energy-time entanglement
• Postselection-Loophole-Free Bell Test Over an Installed Optical Fiber Network

Cited by in corpus (1)

• Tight Bounds for the Pearle-Braunstein-Caves Chained Inequality Without the Fair-Coincidence Assumption