Research Research groups Member of: Photonic Systems, Circuits and Sensors Group Silicon Photonics Research projects Active projects One-Stop-Shop Open Access to Photonics Innovation Support for a Digital Europe Researchers: Sponsor: European Union Layered Materials Research Foundry (LMRF) Researchers: Sponsor: EPSRC CORNERSTONE 2.5 Researchers: Sponsor: EPSRC C-PIC Researchers: Completed projects H2020 ACTPHAST4R - UCL- Callum Littlejohns Researchers: Sponsor: European Union Rapid assessment of drinking water using waveguide-enhanced on-chip Raman Spectroscopy Researchers: Sponsor: Research England Publications 119 publications Page 9 of 12 Silicon photonic devices for the mid-infrared M-Said Rouifed, Callum G. Littlejohns, Guo X. Tina, Jia Xu Sia, Haodong Qiu, Jordi Soler Penadés, Miloš Nedeljković, Zecen Zhang, Chongyong Liu, David J. Thomson, Goran Z. Mashanovich, Graham T. Reed & Hong Wang, 2017 DOI: 10.1109/CLEOPR.2017.8119001 Type: conference Low loss SOI waveguides and MMIs at the MIR wavelength of 2 µm M.-Said Rouifed, Callum G. Littlejohns, Guo Xin Tina, Qiu Haodong, Ting Hu, Zecen Zhang, Chongyong Liu, Graham T. Reed & Hong Wang, 2016, IEEE Photonics Technology Letters, 28(24), 2827-2829 DOI: 10.1109/LPT.2016.2623319 Type: article Group IV compounds for integrated photonic applications F.Y. Gardes, C.G. Littlejohns, G.X. Tina, Qiu H., T. Hu, Z. Zhang, C. Liu, G.T. Reed & H. Wang, 2016 DOI: 10.1109/GROUP4.2016.7739129 Type: conference Integrated silicon optical modulators D.J. Thomson, Callum Littlejohns, K. Li, M. Nedeljković, A.Z. Khokhar, F.Y. Gardes, G.Z. Mashanovich, C. Lacava, P. Petropoulos, D.J. Richardson, M.S. Rouifed, H. Qiu, T.G. Xin, T. Hu, Z. Zhang, H. Wang, P.-W. Chiu, Y.-F. Li, S.H. Hsu & G.T. Reed, 2016 DOI: 10.1109/PIERS.2016.7735323 Type: conference Germanium-on-silicon mid-infrared grating couplers with low-reflectivity inverse taper excitation Carlos Alonso-Ramos, Miloš Nedeljković, Daniel Benediković, Jordi Soler Penadés, Callum Littlejohns, Ali Khokhar, Diego Perez-Galacho, Laurent Vivien, Pavel Cheben & Goran Mashanovich, 2016, Optics Letters, 41(18), 4324-4327 DOI: 10.1364/OL.41.004324 Type: article A compact ultrabroadband polarization beam splitter utilizing a hybrid plasmonic Y-branch Ting Hu, Haodong Qiu, Zecen Zhang, Xin Guo, Chongyang Liu, Mohamed Said Rouifed, Callum Littlejohns, Graham Reed & Hong Wang, 2016, IEEE Photonics Journal, 8(4), 1-10 DOI: 10.1109/JPHOT.2016.2585113 Type: article Localised tuneable composition single crystal silicon-germanium-on-insulator for low cost devices Callum Littlejohns, Thalía Domínguez Bucio, Miloš Nedeljković, Goran Mashanovich, Graham Reed & Frederic Gardes, 2016, Advances in Materials Science and Engineering, 2016(4154256), 1-11 DOI: 10.1155/2016/4154256 Type: article CMOS-compatible deposition of tunable crystalline SiGe composition on insulator F.Y. Gardes, C.G. Littlejohns, Thalia Domínguez Bucio, M. Nedeljković, G. Mashanovich & G.T. Reed, 2016 DOI: 10.1364/CLEO_SI.2016.SF1P.3 Type: conference A polarization splitter and rotator based on a partially etched grating-assisted coupler Ting Hu, Mohamed Said Rouifed, Haodong Qiu, Xin Guo, Callum Littlejohns, Chongyong Liu & Hong Wang, 2016, IEEE Photonics Technology Letters, 28(8), 911-914 DOI: 10.1109/LPT.2016.2517196 Type: article Near- and mid- infrared group IV photonics Callum Littlejohns, Said Rouifed Mohamed, Haodong Qiu, Tina Guo Xin, Ting Hu, Thalía Domínguez Bucio, Miloš Nedeljković, Goran Mashanovich, Graham Reed, Frederic Gardes & Hong Wang, 2016 Type: conference Pagination Previous page Previous … 7 8 9 10 11 … Next page Next