# Two papers get top-citation on Optica! December 06, 2020 - [ News ](/news-categories/news) Two papers from our group, microwave-to-optical conversion using acoustic resonators & ultrabroadband nonlinear optics using PPLN, [are listed on the top ten citation list of Optica](/file_url/593)! Congratulations to all the authors! Check out the paper here: [Microwave-to-optical conversion using lithium niobate thin-film acoustic resonators](/file_url/544) [Ultrabroadband nonlinear optics in nanophotonic periodically poled lithium nioabte waveguides](/file_url/564) --- Attachments- [ picture\_as\_pdf top\_ten\_of\_opticas\_most\_cited.pdf ](/sites/g/files/omnuum6446/files/nano-optics/files/top_ten_of_opticas_most_cited.pdf) --- Share on:- [ Facebook ](#) - [ Twitter ](#) - [ Linkedin ](#)