@article {Yu2021,
	title = {On-chip optical tweezers based on freeform optics},
	journal = {Optica},
	volume = {8},
	number = {3},
	year = {2021},
	month = {mar},
	pages = {409},
	issn = {2334-2536},
	doi = {10.1364/OPTICA.418837},
	url = {https://www.osapublishing.org/abstract.cfm?URI=optica-8-3-409},
	author = {Shaoliang Yu and Lu, Jinsheng and Ginis, Vincent and Kheifets, Simon and Soon Wei Daniel Lim and Qiu, Min and Gu, Tian and Juejun Hu and Federico Capasso}
}
