Shentu, G. -L., Pelc, J., Wang, X. -D., Sun, Q. -C., Zheng, M. -Y., Fejer, M., Zhang, Q. & Pan, J. -W.Ultralow noise up-conversion detector and spectrometer for the telecom band.Optics Express21,13986-13991(2013).
Shentu, G. -L., Xia, X. -X., Sun, Q. -C., Pelc, J., Fejer, M., Zhang, Q. & Pan, J. -W.Upconversion detection near 2 mu m at the single photon level.Optics Letters38,4985-4987(2013).