Nature Photonics contents May 2018 Volume 12 Number 5

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Advertisement   High Voltage Power Supplies Selection Guide What questions should you be answering when choosing a high voltage power supply? This guide outlines the key specifications to cover in your high voltage power supply selection process to ensure you are picking a correctly specified product to avoid the risks of development delays, increased costs, and slow time-to-market. TABLE OF CONTENTS May 2018 Volume 12, Issue 5 Comment Books & Arts Research Highlights News & Views Letters Articles Amendments & Corrections   Advertisement   TOPTICA's laser combiner engine iChrome CLE includes four laser sources in one compact box. It provides up to 20 mW of output power at 405, 488, 561 and 640 nm each. All integrated wavelengths are overlapped in one output fiber and an automatic alignment procedure (COOLAC) guarantees an optimal beam position. This enables a straightforward plug & play installation and an unsurpassed stability over the system's lifetime.   Advertisement New Reviews Journal in Physics Launching in January 2019, Nature Reviews Physics is an online-only reviews journal that will publish high-quality technical reference, review and commentary articles in all areas of fundamental and applied physics.  FIND OUT MORE >>    Advertisement Do you have a career question?  The Naturejobs podcast features one-on-one Q&As, panel discussions and other exclusive content to help scientists with their careers. Hosted on the Naturejobs blog, the podcast is also available on iTunes and Soundcloud. Listen today!   Comment   Tackling Africa's digital divide    pp249 - 252 Martin P. J. Lavery, Mojtaba Mansour Abadi, Ralf Bauer, Gilberto Brambilla, Ling Cheng et al. doi:10.1038/s41566-018-0162-z Books & Arts   On our book shelf    p253 Rachel Won doi:10.1038/s41566-018-0165-9 Research Highlights   Monitoring mosquitoes    p254 David F. P. Pile doi:10.1038/s41566-018-0168-6 Powerful X-rays    p254 David F. P. Pile doi:10.1038/s41566-018-0169-5 Spin–photon coupling    p254 Noriaki Horiuchi doi:10.1038/s41566-018-0170-z Tight focusing    p254 Oliver Graydon doi:10.1038/s41566-018-0171-y Nature Photonics JOBS of the week Department Head �Imaging and Coherent X-Rays� (B2) Max-Born-Institute for Nonlinear Optics and Short Pulse Spectroscopy (MBI) phd position: experimental research on nv centers in diamond and other defects for quantum applications KU Leuven Postdoctoral fellowship (2 years) in protein NMR spectroscopy Ume� University, Department of Chemistry, Research Group of Magnus Wolf-Watz Postdoctoral Fellowships in Computational Chemistry and Physics at D. E. Shaw Research D. E. Shaw Research Research Specialist I (Lab) Princeton University More Science jobs from Nature Photonics EVENT 9th International Conference on Optics, Photonics & Lasers 02.07.18 Berlin, Germany More science events from News & Views   Integrated ultra-low-loss resonator on a chip    pp255 - 256 Joyce K. S. Poon doi:10.1038/s41566-018-0163-y Locking the waveform with a quartz crystal    pp256 - 257 Shambhu Ghimire doi:10.1038/s41566-018-0161-0 Shining light on an old problem    pp257 - 259 Daniele Faccio & Fabio Biancalana doi:10.1038/s41566-018-0160-1 The super-resolution debate    pp259 - 261 Rachel Won doi:10.1038/s41566-018-0164-x Combating colour blindness    p261 Oliver Graydon doi:10.1038/s41566-018-0173-9 Letters   Spatiotemporal control of laser intensity    pp262 - 265 Dustin H. Froula, David Turnbull, Andrew S. Davies, Terrance J. Kessler, Dan Haberberger et al. doi:10.1038/s41566-018-0121-8 By combining a chromatic focusing system with chirped laser pulses, the spatiotemporal distribution of the laser pulse is controlled in the focal region. The focal spot propagates over nearly 100 times its Rayleigh length at any velocity.   High-harmonic spectroscopy of ultrafast many-body dynamics in strongly correlated systems    pp266 - 270 doi:10.1038/s41566-018-0129-0 A highly nonlinear optical response can be used to time-resolve light-induced phase transitions with few-femtosecond to sub-femtosecond accuracy, paving the way for time-resolving highly correlated many-body dynamics in strongly correlated systems with few-femtosecond accuracy.   Articles   Improved photovoltaic performance from inorganic perovskite oxide thin films with mixed crystal phases    pp271 - 276 doi:10.1038/s41566-018-0137-0 The use of mixed crystal phases is shown to enhance the power conversion efficiency of inorganic ferroelectric perovskite solar cells.   Focusing of light energy inside a scattering medium by controlling the time-gated multiple light scattering    pp277 - 283 Seungwon Jeong, Ye-Ryoung Lee, Wonjun Choi, Sungsam Kang, Jin Hee Hong et al. doi:10.1038/s41566-018-0120-9 The use of a time-gated reflection matrix of a scattering medium, in particular via using singular value decomposition and injecting light into the largest time-gated eigenchannel, can lead to a more than tenfold enhancement in light energy delivery in comparison with ordinary wave diffusion cases.   Silicon Mie resonators for highly directional light emission from monolayer MoS2    pp284 - 290 doi:10.1038/s41566-018-0155-y Based on a modified Mie scattering theory, several pathways to achieve control over the directionality, polarization state and spectral emission that rely on a coherent coupling of an emitting dipole in monolayer MoS2 to optical resonances of a silicon nanowire are reported.   Ultimate waveform reproducibility of extreme-ultraviolet pulses by high-harmonic generation in quartz    pp291 - 296 M. Garg, H. Y. Kim & E. Goulielmakis doi:10.1038/s41566-018-0123-6 High-harmonic generation in quartz offers immunity to the extreme-ultraviolet waveform against the intensity and phase noise of the driving laser pulse, extending precision waveform synthesis to the extreme ultraviolet.   Bridging ultrahigh-Q devices and photonic circuits    pp297 - 302 Ki Youl Yang, Dong Yoon Oh, Seung Hoon Lee, Qi-Fan Yang, Xu Yi et al. doi:10.1038/s41566-018-0132-5 Using silicon nitride waveguides processed by plasma-enhanced chemical vapour deposition, full integration of ultrahigh-Q resonators with other photonic devices is now possible, representing a critical advance for future photonic circuits and systems.   Fibre multi-wave mixing combs reveal the broken symmetry of Fermi–Pasta–Ulam recurrence    pp303 - 308 Arnaud Mussot, Corentin Naveau, Matteo Conforti, Alexandre Kudlinski, Francois Copie et al. doi:10.1038/s41566-018-0136-1 The Fermi–Pasta–Ulam recurrence process–the recovery of the initial state of a nonlinear system after a certain time–is observed for the first time in a low-loss optical fibre by building a multi-channel, vector optical-time-domain reflectometer.   Amendments & Corrections   Author Correction: Single-molecule imaging by optical absorption    p309 Michele Celebrano, Philipp Kukura, Alois Renn & Vahid Sandoghdar doi:10.1038/s41566-018-0159-7 Natureevents is a fully searchable, multi-disciplinary database designed to maximise exposure for events organisers. The contents of the Natureevents Directory are now live. The digital version is available here. Find the latest scientific conferences, courses, meetings and symposia on natureevents.com. For event advertising opportunities across the Nature Publishing Group portfolio please contact natureevents@nature.com More Nature Events

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