@article{Main2019c, author = {Main, Philip B. and Mosley, Peter J. and Gorbach, Andrey V.}, doi = {10.1103/PhysRevA.100.053815}, issn = {2469-9926}, journal = {Physical Review A}, month = {nov}, number = {5}, pages = {053815}, publisher = {American Physical Society}, title = {{Spontaneous parametric down-conversion in asymmetric couplers: Photon purity enhancement and intrinsic spectral filtering}}, url = {https://link.aps.org/doi/10.1103/PhysRevA.100.053815}, volume = {100}, year = {2019} }