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Results: 27
Bright light-emitting diodes based on organometal halide perovskite.
Threading plasmonic nanoparticle strings with light.
Lars O Herrmann, Ventsislav K Valev, Christos Tserkezis, Jonathan S Barnard, Setu Kasera, Oren A Scherman, Javier Aizpurua, Jeremy J Baumberg
Aug 14, 2014
Dynamic response of large tilt-angle flexoelectro-optic liquid crystal modulators.
Julian AJ Fells, Chris Welch, Wing C Yip, Steve J Elston, Martin J Booth, Georg H Mehl, Timothy D Wilkinson, Stephen M Morris
Jul 23, 2019
We present here the first time-resolved tilt-angle and retardance measurements for large-tilt (>45°) flexoelectro-optic liquid crystal modulators. These devices have potential for next generation fast switching (>1 kHz), 0-2π...
Continuous-wave highly-efficient low-divergence terahertz wire lasers.
Simone Biasco, Katia Garrasi, Fabrizio Castellano, Lianhe Li, Harvey E Beere, David A Ritchie, Edmund H Linfield, A Giles Davies, Miriam S Vitiello
Sep 20, 2018
Terahertz (THz) quantum cascade lasers (QCLs) have undergone rapid development since their demonstration, showing high power, broad-tunability, quantum-limited linewidth, and ultra-broadband gain. Typically, to address...
Sub-10 fs Time-Resolved Vibronic Optical Microscopy.
Christoph Schnedermann, Jong Min Lim, Torsten Wende, Alex S Duarte, Limeng Ni, Qifei Gu, Aditya Sadhanala, Akshay Rao, Philipp Kukura
Aug 28, 2019
We introduce femtosecond wide-field transient absorption microscopy combining sub-10 fs pump and probe pulses covering the complete visible (500-650 nm) and near-infrared (650-950 nm) spectrum with diffraction-limited optical...
102 fs pulse generation from a long-term stable, inkjet-printed black phosphorus-mode-locked fiber laser.
Xinxin Jin, Guohua Hu, Meng Zhang, Yuwei Hu, Tom Albrow-Owen, Richard CT Howe, Tien-Chun Wu, Qing Wu, Zheng Zheng, Tawfique Hasan
Jul 20, 2018
We demonstrate a long-term stable, all-fiber, erbium-doped femtosecond laser mode-locked by a black phosphorus saturable absorber. The saturable absorber, fabricated by scalable and highly controllable inkjet printing...
Spatiotemporal continuum generation in polariton waveguides.
Paul M Walker, Charles E Whittaker, Dmitry V Skryabin, Emiliano Cancellieri, Ben Royall, Maksym Sich, Ian Farrer, David A Ritchie, Maurice S Skolnick, Dmitry N Krizhanovskii
Mar 19, 2019
We demonstrate the generation of a spatiotemporal optical continuum in a highly nonlinear exciton-polariton waveguide using extremely low excitation powers (2-ps, 100-W peak power pulses) and a submillimeter device suitable for...
Monolayer optical memory cells based on artificial trap-mediated charge storage and release.
Juwon Lee, Sangyeon Pak, Young-Woo Lee, Yuljae Cho, John Hong, Paul Giraud, Hyeon Suk Shin, Stephen M Morris, Jung Inn Sohn, SeungNam Cha, Jong Min Kim
Dec 13, 2018
Monolayer transition metal dichalcogenides are considered to be promising candidates for flexible and transparent optoelectronics applications due to their direct bandgap and strong light-matter interactions. Although several...
Black phosphorus ink formulation for inkjet printing of optoelectronics and photonics.
Guohua Hu, Tom Albrow-Owen, Xinxin Jin, Ayaz Ali, Yuwei Hu, Richard CT Howe, Khurram Shehzad, Zongyin Yang, Xuekun Zhu, Robert I Woodward, Tien-Chun Wu, Henri Jussila, Jiang-Bin Wu, Peng Peng, Ping-Heng Tan, Zhipei Sun, Edmund JR Kelleher, Meng Zhang, Yang Xu, Tawfique Hasan
Aug 15, 2017
Black phosphorus is a two-dimensional material of great interest, in part because of its high carrier mobility and thickness dependent direct bandgap. However, its instability under ambient conditions limits material deposition...
Resonant energy transfer of triplet excitons from pentacene to PbSe nanocrystals.
Maxim Tabachnyk, Bruno Ehrler, Simon Gélinas, Marcus L Böhm, Brian J Walker, Kevin P Musselman, Neil C Greenham, Richard H Friend, Akshay Rao
Nov 12, 2014
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