Nature Photonics contents April 2017 Volume 11 Number 4 pp 207 - 264

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Advertisement Combined Spectrometer / Microscope  Time-resolved fluorescence spectroscopy is a valuable tool for investigating excited state dynamics in semiconductors. By interfacing a spectrometer like the FluoTime 300 with a microscope such as the MicroTime 100, one can easily record time-, space-, and spectrally resolved luminescence spectra.  Find out what happens within your sample! TABLE OF CONTENTS April 2017 Volume 11, Issue 4 Editorial Research Highlights News and Views Correction Progress Article Letters Articles Erratum Advertisement   Piezo Mechanisms: Speed, Precision, Stability Piezo mechanisms provide high force sub-millisecond responsiveness nanometer precision Ideal for designers and scientists, piezo motion provides virtually unlimited resolution, faster response than magnetic drives. Applications: optical alignment, microscopy, photonics semiconductors, dispensing. Read article> Product overview> Watch videos>   Subscribe   Facebook   RSS   Recommend to library   Twitter   Advertisement Nature Outline: Quantum Computing  Quantum computers are big news, but the quantum world can seem mysterious and confusing. In this Outline we explain the differences between classical and quantum computing, and suggest how quantum computers could transform science and technology.  Access the Outline free for six months Produced with support from  Nokia Bell Labs   Editorial Top Photonics West 2017   p207 doi:10.1038/nphoton.2017.48 Excitement over positive industry forecasts, high attendance and a quality programme was dampened by travel restrictions to the United States. Research Highlights Top Interferometry: Gravitational phase shift | Imaging: Gas leak detection | Biomedical optics: Blood monitoring | Optical communications: Gigabit lighting link | Metasurfaces: Chiral spectrometer News and Views Top Ultrafast photonics: Tailoring extreme-ultraviolet light   pp209 - 210 Taro Sekikawa and Kenichi L. Ishikawa doi:10.1038/nphoton.2017.44 The emission direction and timing of extreme-ultraviolet light can now be manipulated through an opto-optical approach that uses an infrared pulse to control the spatial and spectral phase of free induction decay resulting from atoms excited by attosecond light. See also: Article by Bengtsson et al. Nonlinear optics: Attosecond nanophotonics   pp210 - 212 Giulio Vampa, Hanieh Fattahi, Jelena Vučković and Ferenc Krausz doi:10.1038/nphoton.2017.41 Combining attosecond science and nanophotonics potentially offers a route to enhance control over light–matter interactions at the nanoscale and provide a promising platform for information processing. Optical physics: Anisotropy enables unusual waves   pp212 - 214 Yuri Kivshar and Mikhail Rybin doi:10.1038/nphoton.2017.42 It has been revealed that simple anisotropic optical waveguides and the vectorial nature of electromagnetic waves can support a variety of bound states in the continuum akin to those introduced in quantum mechanics almost a century ago. See also: Letter by Gomis-Bresco et al. Laser imaging: Mapping cell dynamics at visible wavelengths   p214 Rachel Won doi:10.1038/nphoton.2017.47 Nature Photonics JOBS of the week Ph.D. position in Optomechanical Technologies at EPFL Ecole Polytechnique Fédérale de Lausanne (EPFL) PhD in Photonics at the Optoelectronics Research Centre University of Southampton Lecturer in Advanced Photonics King's College London Postdoctoral position in Plasmonics and Nano-Photonics (theoretical) ISTITUTO ITALIANO DI TECNOLOGIA GENOVA ITALY More Science jobs from Nature Photonics EVENT META’17, the 8th International Conference on Metamaterials, Photonic Crystals and Plasmonics 25.07.17 Incheon, Korea More science events from Correction Top Correction   p214 doi:10.1038/nphoton.2017.54 Progress Article Top The emergence of optical elastography in biomedicine   pp215 - 221 Brendan F. Kennedy, Philip Wijesinghe and David D. Sampson doi:10.1038/nphoton.2017.6 The principles and applications of optical elastography for use in biological imaging are reviewed. Letters Top Generation and multi-octave shaping of mid-infrared intense single-cycle pulses   pp222 - 226 Peter Krogen, Haim Suchowski, Houkun Liang, Noah Flemens, Kyung-Han Hong et al. doi:10.1038/nphoton.2017.34 The conversion of shaped near-infrared pulses to shaped, energetic, multi-octave-spanning mid-infrared pulses lasting as little as 1.2 optical cycles is made possible by adiabatic difference frequency generation. Symmetry-controlled temporal structure of high-harmonic carrier fields from a bulk crystal   pp227 - 231 F. Langer, M. Hohenleutner, U. Huttner, S. W. Koch, M. Kira et al. doi:10.1038/nphoton.2017.29 The temporal structure of the polarization and carrier-envelope phase slip of high-harmonic waveforms generated in bulk gallium selenide within the duration of a single multi-terahertz driving pulse can be controlled by the crystal symmetry. Anisotropy-induced photonic bound states in the continuum   pp232 - 236 Jordi Gomis-Bresco, David Artigas and Lluis Torner doi:10.1038/nphoton.2017.31 Existence conditions of bound states within the continuum of radiative modes are revealed for waveguides with anisotropic birefringent materials. See also: News and Views by Kivshar & Rybin Spatial beam self-cleaning in multimode fibres   pp237 - 241 K. Krupa, A. Tonello, B. M. Shalaby, M. Fabert, A. Barthélémy et al. doi:10.1038/nphoton.2017.32 The Kerr effect in graded-index multimode fibres drives a spatial beam self-cleaning phenomenon that withstands fibre bending and does not necessitate dissipative processes such as stimulated scattering. Advertisement An open access, online-only, multidisciplinary research journal dedicated to publishing the most important scientific advances in the life sciences, physical sciences, and engineering fields that are facilitated by spaceflight and analogue platforms.   Explore the benefits of submitting your next research article.   Articles Top Femtosecond-laser-driven wire-guided helical undulator for intense terahertz radiation   pp242 - 246 Ye Tian, Jiansheng Liu, Yafeng Bai, Shiyi Zhou, Haiyi Sun et al. doi:10.1038/nphoton.2017.16 Terahertz (THz) pulses are generated by irradiating a metal wire with femtosecond laser pulses. For incident laser energy of 3 mJ, a THz pulse with energy of 28 µJ is obtained from a 10-cm-long wire. The spectrum of the THz pulse covers 0.1–1.5 THz. Single-photon imager based on a superconducting nanowire delay line   pp247 - 251 Qing-Yuan Zhao, Di Zhu, Niccolò Calandri, Andrew E. Dane, Adam N. McCaughan et al. doi:10.1038/nphoton.2017.35 A superconducting nanowire acting as a single-photon detector and as a microwave delay line is used to demonstrate an imaging device at the single-photon level with sub-20-µm spatial resolution and 50-ps temporal resolution. Space–time control of free induction decay in the extreme ultraviolet   pp252 - 258 S. Bengtsson, E. W. Larsen, D. Kroon, S. Camp, M. Miranda et al. doi:10.1038/nphoton.2017.30 The spatial phase and direction of extreme-ultraviolet light are controlled by an all-optical modulator based on argon gas. It works by using an infrared pulse to control the spatial and spectral phase of the free induction decay in the gas system. See also: News and Views by Sekikawa & Ishikawa Subwavelength coherent imaging of periodic samples using a 13.5 nm tabletop high-harmonic light source   pp259 - 263 Dennis F. Gardner, Michael Tanksalvala, Elisabeth R. Shanblatt, Xiaoshi Zhang, Benjamin R. Galloway et al. doi:10.1038/nphoton.2017.33 Coherent diffractive imaging of periodic samples is demonstrated with a tabletop, 13.5 nm high-harmonic source. With a novel image reconstruction technique, the record high spatial resolution of 12.6 nm is achieved in the extreme-ultraviolet region. Erratum Top Erratum: Near-zero refractive index photonics   p264 Iñigo Liberal and Nader Engheta doi:10.1038/nphoton.2017.38 Top 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. 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