@book{30670,
	author = {Li, Ming-Jun, ed.},
	title = {Passive Components and Fiber-based Devices IV},
	publisher = {SPIE},
	year = {2007},
	series = {Proceedings of SPIE; V. 6781},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/6781}
}