@article {4444,
	title = {Generation of sub-MHz and spectrally-bright biphotons from hot atomic vapors with a phase mis-match-free scheme},
	journal = {Optics Express},
	volume = {29, 4632(2021)},
	year = {2021},
	author = {C-Y Hsu and Y.-S. Wang and J-M Chen and F-C Huang and Y-T Ke and E K Huang and W Hung and K-L Chao and S-S Hsaio and Y-H Chen and C-S Chuu and Y.-C. Chen and Y.-F. Chen and Yu, I. A.}
}
