Abstract
A recent theoretical paper by Shi et al. [Phys. Rev. A 61, 064102 (2000)] proposes a scheme for entanglement swapping utilizing acousto-optic modulators without requiring a Bell-state measurement. In this Comment, we show that the proposal is flawed and no entanglement swapping can occur without measurement.
- Received 24 October 2000
DOI:https://doi.org/10.1103/PhysRevA.64.056101
©2001 American Physical Society
