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 3 of 12 CORNERSTONE’s silicon photonics rapid prototyping platforms: current status and future outlook Callum Littlejohns, David Rowe, Han Du, Ke Li, Weiwei Zhang, Wei Cao, Thalia Domínguez Bucio, Xingzhao Yan, Mehdi Banakar, Denh Tran, Shenghao Liu, Fanfan Meng, Bigeng Chen, Yanli Qi, Xia Chen, Miloš Nedeljković, Lorenzo Mastronardi, Rijan Maharjan, Sanket Bohora, Ashim Dhakal, Iain Crowe, Ankur Khurana, Krishna Balram, Luca Zagaglia, Francesco Floris, Peter O'Brien, Eugenio Di Gaetano, Harold Chong, Frederic Gardes, David Thomson, Goran Mashanovich, Marc Sorel & Graham Reed, 2020, Applied Sciences, 10(22), 1-34 DOI: 10.3390/app10228201 Type: review Electronic-photonic convergence for silicon photonics transmitters beyond 100 Gbps on-off keying Ke Li, Shenghao Liu, David Thomson, Weiwei Zhang, Xingzhao Yan, Fanfan Meng, Callum Littlejohns, Han Du, Mehdi Banakar, Martin Ebert, Wei Cao, Bigeng Chen, Denh Tran, Abdul Shakoor, Periklis Petropoulos & Graham Reed, 2020, Optica, 7(11), 1514-1516 DOI: 10.1364/OPTICA.411122 Type: article Analysis of compact Silicon Photonic Hybrid Ring External Cavity (SHREC) wavelength-tunable laser diodes operating from 1881-1947 nm Jia Xu Brian Sia, Wanjun Wang, Zhongliang Qiao, Xiang Li, Tina Xin Guo, Jin Zhou, Callum Littlejohns, Chongyang Liu, Graham Reed & Hong Wang, 2020, IEEE Journal of Quantum Electronics, 55(8) DOI: 10.1109/JQE.2020.3029964 Type: article 1 × N (N = 2, 8) Silicon selector switch for prospective technologies at the 2 μm waveband Jia Xu Brian Sia, Xiang Li, Zhongliang Qiao, Xin Guo, Jin Zhou, Callum G. Littlejohns, Chongyang Liu, Graham T. Reed, Wanjun Wang & Hong Wang, 2020, IEEE Photonics Technology Letters, 32(18), 1127-1130 DOI: 10.1109/LPT.2020.3014204 Type: article Enhanced efficiency thermo-optic phase-shifter using multi-mode-interference device Bharat Pant, Weiwei Zhang, Denh Tran, Mehdi Banakar, Han Du, Xingzhao Yan, Callum G. Littlejohns, Graham T. Reed & David J. Thomson, 2020 DOI: 10.1109/IPC47351.2020.9252212 Type: conference Silicon photonics for high data rate applications -INVITED David J. Thomson, Weiwei Zhang, Ke Li, Kapil Debnath, Shenghao Liu, Bigeng Chen, Muhammad K. Husain, Fanfan Meng, Ali Z. Khokhar, James Byers, Martin Ebert, Jamie D. Reynolds, Mehdi Banakar, Lorenzo Mastronardi, Callum G. Littlejohns, Frederic Y. Gardes, Goran Z. Mashanovich, Shinichi Saito & Graham T. Reed, 2020, EPJ Web of Conferences, 238 DOI: 10.1051/epjconf/202023801005 Type: conference Sub-kHz linewidth, hybrid III-V/silicon wavelength-tunable laser diode operating at the application-rich 1647-1690 nm Jia Xu Brian Sia, Xiang Li, Wanjun Wang, Zhongliang Qiao, Xin Guo, Jin Zhou, Callum G. Littlejohns, Chongyang Liu, Graham T. Reed & Hong Wang, 2020, Optics Express , 28(17), 25215-25224 DOI: 10.1364/OE.400666 Type: article Integration of low loss vertical slot waveguides on SOI photonic platforms for high efficiency carrier accumulation modulators Weiwei Zhang, Martin Ebert, Bigeng Chen, Jamie Dean Reynolds, Xingzhao Yan, Han Du, Mehdi Banakar, D.T. Tran, Kapil Debnath, Callum Littlejohns, Shinichi Saito & David Thomson, 2020, Optics Express, 28(16), 23143-23153 DOI: 10.1364/OE.397044 Type: article High performance silicon optical modulators David J. Thomson, Weiwei Zhang, Kapil Debnath, Bigeng Chen, Ke Li, Shenghao Liu, Martin Ebert, Jamie D. Reynolds, Fanfan Meng, Ali Z. Khokhar, Callum G. Littlejohns, James Byers, Muhammad K. Husain, Frederic Y. Gardes, Shinichi Saito & Graham T. Reed, 2020 DOI: 10.1109/ICTON51198.2020.9203230 Type: conference 25 Gbit/s silicon based modulators for the 2 µm wavelength band Wei Cao, M. Nedeljković, Shenghao Liu, C.G. Littlejohns, D.J. Thomson, F. Gardes, Zhengqi Ren, Ke Li, G.T. Reed & G.Z. Mashanovich, 2020 DOI: 10.1364/OFC.2020.M2B.4 Type: conference Pagination Previous page Previous 1 2 3 4 5 … Next page Next