@book{30155,
	author = {Liu, Xiang, ed.},
	title = {Optical Transmission Systems, Subsystems, and Technologies IX},
	publisher = {SPIE},
	year = {2011},
	series = {Proceedings of SPIE; V. 8309},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/8309}
}