Articles

  • Article |

    Distributed quantum metrology is demonstrated for both individual and averaged phase shifts by using discrete-variable entangled photons. An error reduction of 4.7 dB below the shot-noise limit is achieved when a total number of photon passes is 21.

    • Li-Zheng Liu
    • , Yu-Zhe Zhang
    • , Zheng-Da Li
    • , Rui Zhang
    • , Xu-Fei Yin
    • , Yue-Yang Fei
    • , Li Li
    • , Nai-Le Liu
    • , Feihu Xu
    • , Yu-Ao Chen
    •  & Jian-Wei Pan
  • Article |

    By focusing a sub-relativistic infrared laser pulse onto a silica target, a periodic deflection pattern of attosecond electron pulse trains is observed. It reveals these subcycle charge dynamics with a streaking speed of ~60 μrad as−1.

    • Chuliang Zhou
    • , Yafeng Bai
    • , Liwei Song
    • , Yushan Zeng
    • , Yi Xu
    • , Dongdong Zhang
    • , Xiaoming Lu
    • , Yuxin Leng
    • , Jiansheng Liu
    • , Ye Tian
    • , Ruxin Li
    •  & Zhizhan Xu
  • Article |

    Ultrafast lightwave sampling based on scanning tunnelling microscopy is developed to resolve near fields with sub-picosecond time resolution and sub-nanometre spatial resolution. Parameter-free quantitative measurement is achieved by using a single-molecule switch.

    • D. Peller
    • , C. Roelcke
    • , L. Z. Kastner
    • , T. Buchner
    • , A. Neef
    • , J. Hayes
    • , F. Bonafé
    • , D. Sidler
    • , M. Ruggenthaler
    • , A. Rubio
    • , R. Huber
    •  & J. Repp
  • Article |

    A silicon-germanium integrated homodyne detector with a footprint of 0.84 mm2 is fabricated to enhance the speed performance of quantum light measurement. It can measure the spectrum of squeezing from 100 MHz to 9 GHz of a squeezed light source.

    • Joel F. Tasker
    • , Jonathan Frazer
    • , Giacomo Ferranti
    • , Euan J. Allen
    • , Léandre F. Brunel
    • , Sébastien Tanzilli
    • , Virginia D’Auria
    •  & Jonathan C. F. Matthews
  • Article |

    The first lasing results at SwissFEL, an X-ray free-electron laser, are presented, highlighting the facility’s unique capabilities. A general comparison to other major facilities is also provided.

    • Eduard Prat
    • , Rafael Abela
    • , Masamitsu Aiba
    • , Arturo Alarcon
    • , Jürgen Alex
    • , Yunieski Arbelo
    • , Christopher Arrell
    • , Vladimir Arsov
    • , Camila Bacellar
    • , Carl Beard
    • , Paul Beaud
    • , Simona Bettoni
    • , Roger Biffiger
    • , Markus Bopp
    • , Hans-Heinrich Braun
    • , Marco Calvi
    • , Ariana Cassar
    • , Tine Celcer
    • , Majed Chergui
    • , Pavel Chevtsov
    • , Claudio Cirelli
    • , Alessandro Citterio
    • , Paolo Craievich
    • , Marta Csatari Divall
    • , Andreas Dax
    • , Micha Dehler
    • , Yunpei Deng
    • , Alexander Dietrich
    • , Philipp Dijkstal
    • , Roberto Dinapoli
    • , Sladana Dordevic
    • , Simon Ebner
    • , Daniel Engeler
    • , Christian Erny
    • , Vincent Esposito
    • , Eugenio Ferrari
    • , Uwe Flechsig
    • , Rolf Follath
    • , Franziska Frei
    • , Romain Ganter
    • , Terence Garvey
    • , Zheqiao Geng
    • , Alexandre Gobbo
    • , Christopher Gough
    • , Andreas Hauff
    • , Christoph P. Hauri
    • , Nicole Hiller
    • , Stephan Hunziker
    • , Martin Huppert
    • , Gerhard Ingold
    • , Rasmus Ischebeck
    • , Markus Janousch
    • , Philip J. M. Johnson
    • , Steven L. Johnson
    • , Pavle Juranić
    • , Mario Jurcevic
    • , Maik Kaiser
    • , Roger Kalt
    • , Boris Keil
    • , Daniela Kiselev
    • , Christoph Kittel
    • , Gregor Knopp
    • , Waldemar Koprek
    • , Michael Laznovsky
    • , Henrik T. Lemke
    • , Daniel Llorente Sancho
    • , Florian Löhl
    • , Alexander Malyzhenkov
    • , Giulia Fulvia Mancini
    • , Roman Mankowsky
    • , Fabio Marcellini
    • , Goran Marinkovic
    • , Isabelle Martiel
    • , Fabian Märki
    • , Christopher J. Milne
    • , Aldo Mozzanica
    • , Karol Nass
    • , Gian Luca Orlandi
    • , Cigdem Ozkan Loch
    • , Martin Paraliev
    • , Bruce Patterson
    • , Luc Patthey
    • , Bill Pedrini
    • , Marco Pedrozzi
    • , Claude Pradervand
    • , Peter Radi
    • , Jean-Yves Raguin
    • , Sophie Redford
    • , Jens Rehanek
    • , Sven Reiche
    • , Leonid Rivkin
    • , Albert Romann
    • , Leonardo Sala
    • , Mathias Sander
    • , Thomas Schietinger
    • , Thomas Schilcher
    • , Volker Schlott
    • , Thomas Schmidt
    • , Mike Seidel
    • , Markus Stadler
    • , Lukas Stingelin
    • , Cristian Svetina
    • , Daniel M. Treyer
    • , Alexandre Trisorio
    • , Carlo Vicario
    • , Didier Voulot
    • , Albin Wrulich
    • , Serhane Zerdane
    •  & Elke Zimoch
  • Article |

    GaAs-based terahertz quantum cascade lasers emitting around 4 THz are demonstrated up to 250 K without a magnetic field. To elevate the operation temperature, carrier leakage channels are reduced by carefully designing the quantum well structures.

    • Ali Khalatpour
    • , Andrew K. Paulsen
    • , Chris Deimert
    • , Zbig R. Wasilewski
    •  & Qing Hu
  • Article |

    By combining a photoinduced effective χ(2) nonlinearity with resonant enhancement and perfect phase matching in a silicon nitride microring resonator, second-harmonic generation with milliwatt-level output powers with up to 22 ± 1% power conversion efficiency is demonstrated.

    • Xiyuan Lu
    • , Gregory Moille
    • , Ashutosh Rao
    • , Daron A. Westly
    •  & Kartik Srinivasan
  • Article |

    Direct acousto-optic modulation within complementary metal–oxide–semiconductor compatible silicon photonic waveguides using electrically driven surface acoustic waves is demonstrated. Non-reciprocal operation bandwidths of >100 GHz and insertion losses of <0.6 dB are obtained.

    • Eric A. Kittlaus
    • , William M. Jones
    • , Peter T. Rakich
    • , Nils T. Otterstrom
    • , Richard E. Muller
    •  & Mina Rais-Zadeh
  • Article |

    The formation of multidimensional solitary states through the nonlinear propagation of high-energy pulses in a molecular gas-filled large-core hollow-core fibre is demonstrated, offering new opportunities for studying multimodal spatiotemporal dynamics in the high-energy regime.

    • Reza Safaei
    • , Guangyu Fan
    • , Ojoon Kwon
    • , Katherine Légaré
    • , Philippe Lassonde
    • , Bruno E. Schmidt
    • , Heide Ibrahim
    •  & François Légaré
  • Article |

    Directly modulated membrane distributed reflector lasers are fabricated on a silicon carbide platform. The 3 dB bandwidth, four-level pulse-amplitude modulation speed and operating energy for transmitting one bit are 108 GHz, 256 Gbit s−1 and 475 fJ, respectively.

    • Suguru Yamaoka
    • , Nikolaos-Panteleimon Diamantopoulos
    • , Hidetaka Nishi
    • , Ryo Nakao
    • , Takuro Fujii
    • , Koji Takeda
    • , Tatsurou Hiraki
    • , Takuma Tsurugaya
    • , Shigeru Kanazawa
    • , Hiromasa Tanobe
    • , Takaaki Kakitsuka
    • , Tai Tsuchizawa
    • , Fumio Koyama
    •  & Shinji Matsuo
  • Article |

    Photonic-chip-based microcomb solitons driven by Pockels nonlinearity—the quadratic χ(2) effect—instead of the Kerr soliton are demonstrated in an aluminium nitride microring resonator with a conversion efficiency of 17%.

    • Alexander W. Bruch
    • , Xianwen Liu
    • , Zheng Gong
    • , Joshua B. Surya
    • , Ming Li
    • , Chang-Ling Zou
    •  & Hong X. Tang
  • Article |

    Enhanced second-harmonic generation is achieved through random quasi-phase-matching in three-dimensional Mie resonant disordered microspheres realized by the bottom-up assembly of barium titanate nanocrystals.

    • Romolo Savo
    • , Andrea Morandi
    • , Jolanda S. Müller
    • , Fabian Kaufmann
    • , Flavia Timpu
    • , Marc Reig Escalé
    • , Michele Zanini
    • , Lucio Isa
    •  & Rachel Grange
  • Article |

    Engineering of the spatial distribution of currents in a semiconductor is demonstrated using vectorial arrangement of optical fields, enabling an ultrafast magnetic field source.

    • Shawn Sederberg
    • , Fanqi Kong
    • , Felix Hufnagel
    • , Chunmei Zhang
    • , Ebrahim Karimi
    •  & Paul B. Corkum
  • Article |

    Tunable X-ray generation, from ultrathin van der Waals materials impacted by relativistic electrons, is demonstrated.

    • Michael Shentcis
    • , Adam K. Budniak
    • , Xihang Shi
    • , Raphael Dahan
    • , Yaniv Kurman
    • , Michael Kalina
    • , Hanan Herzig Sheinfux
    • , Mark Blei
    • , Mark Kamper Svendsen
    • , Yaron Amouyal
    • , Sefaattin Tongay
    • , Kristian Sommer Thygesen
    • , Frank H. L. Koppens
    • , Efrat Lifshitz
    • , F. Javier García de Abajo
    • , Liang Jie Wong
    •  & Ido Kaminer
  • Article |

    Relativistic 35 MeV electron bunches with charges of 60 pC are accelerated in a terahertz-wave-driven dielectric waveguide. When the terahertz pulse energy is 0.8 μJ, an accelerating gradient of 2 MeV m−1 and energy gain of 10 keV are achieved.

    • Morgan T. Hibberd
    • , Alisa L. Healy
    • , Daniel S. Lake
    • , Vasileios Georgiadis
    • , Elliott J. H. Smith
    • , Oliver J. Finlay
    • , Thomas H. Pacey
    • , James K. Jones
    • , Yuri Saveliev
    • , David A. Walsh
    • , Edward W. Snedden
    • , Robert B. Appleby
    • , Graeme Burt
    • , Darren M. Graham
    •  & Steven P. Jamison
  • Article |

    Through the use of a plasmon-active atomically sharp tip and an ultrathin insulating film, and precise junction control in a highly confined nanocavity plasmon field at the scanning tunnelling microscope junction, sub-nanometre-resolved single-molecule near-field photoluminescence imaging with a spatial resolution down to 8 Å is achieved.

    • Ben Yang
    • , Gong Chen
    • , Atif Ghafoor
    • , Yufan Zhang
    • , Yao Zhang
    • , Yang Zhang
    • , Yi Luo
    • , Jinlong Yang
    • , Vahid Sandoghdar
    • , Javier Aizpurua
    • , Zhenchao Dong
    •  & J. G. Hou
  • Article |

    A strong Brillouin amplification per unit length, observed in a gas-filled hollow-core fibre, is used to realize a low-threshold continuous-wave single-frequency laser that can in principle operate at any wavelength and to demonstrate distributed temperature sensing with no strain cross-sensitivity.

    • Fan Yang
    • , Flavien Gyger
    •  & Luc Thévenaz
  • Article |

    An organic molecule, 5Cz-TRZ, with multiple donor units supports fast reverse intersystem crossing, allowing fabrication of high-performance organic light-emitting diodes.

    • Lin-Song Cui
    • , Alexander J. Gillett
    • , Shou-Feng Zhang
    • , Hao Ye
    • , Yuan Liu
    • , Xian-Kai Chen
    • , Ze-Sen Lin
    • , Emrys W. Evans
    • , William K. Myers
    • , Tanya K. Ronson
    • , Hajime Nakanotani
    • , Sebastian Reineke
    • , Jean-Luc Bredas
    • , Chihaya Adachi
    •  & Richard H. Friend
  • Article |

    Coherent diffractive imaging using broadband illumination is demonstrated at visible and X-ray wavelengths. The method is based on a numerical monochromatization of the broadband diffraction pattern by the regularized inversion of a matrix.

    • Julius Huijts
    • , Sara Fernandez
    • , David Gauthier
    • , Maria Kholodtsova
    • , Ahmed Maghraoui
    • , Kadda Medjoubi
    • , Andrea Somogyi
    • , Willem Boutu
    •  & Hamed Merdji
  • Article |

    Photochemical upconversion of light with photon energy below the silicon bandgap has remained elusive, but the feat has now been demonstrated using PbS semiconductor nanocrystals and violanthrone.

    • Elham M. Gholizadeh
    • , Shyamal K. K. Prasad
    • , Zhi Li Teh
    • , Thilini Ishwara
    • , Sarah Norman
    • , Anthony J. Petty II
    • , Jared H. Cole
    • , Soshan Cheong
    • , Richard D. Tilley
    • , John E. Anthony
    • , Shujuan Huang
    •  & Timothy W. Schmidt
  • Article |

    Optical waveforms with a 1.7 octave spectrum and 0.6 optical cycle duration are generated at a central wavelength of 1.4 μm by parametric waveform synthesis. The output pulse energies amount to >500 μJ with fluctuations of 1% r.m.s. over 1,000 shots.

    • Giulio Maria Rossi
    • , Roland E. Mainz
    • , Yudong Yang
    • , Fabian Scheiba
    • , Miguel A. Silva-Toledo
    • , Shih-Hsuan Chia
    • , Phillip D. Keathley
    • , Shaobo Fang
    • , Oliver D. Mücke
    • , Cristian Manzoni
    • , Giulio Cerullo
    • , Giovanni Cirmi
    •  & Franz X. Kärtner
  • Article |

    Pt(ii) complexes allow the fabrication of efficient near-infrared organic light-emitting diodes that operate beyond the 900 nm region.

    • Yu-Chen Wei
    • , Sheng Fu Wang
    • , Yun Hu
    • , Liang-Sheng Liao
    • , Deng-Gao Chen
    • , Kai-Hsin Chang
    • , Chi-Wei Wang
    • , Shih-Hung Liu
    • , Wei-Hsiang Chan
    • , Jia-Ling Liao
    • , Wen-Yi Hung
    • , Tsai-Hui Wang
    • , Po-Ting Chen
    • , Hsiu-Fu Hsu
    • , Yun Chi
    •  & Pi-Tai Chou
  • Article |

    A strain-induced absorption-enhanced MoTe2-based silicon photonic microring-integrated photodetector is demonstrated, featuring high responsivity of ~0.5 A W–1 at 1,550 nm, with a low noise-equivalent power of 90 pW Hz–0.5.

    • R. Maiti
    • , C. Patil
    • , M. A. S. R. Saadi
    • , T. Xie
    • , J. G. Azadani
    • , B. Uluutku
    • , R. Amin
    • , A. F. Briggs
    • , M. Miscuglio
    • , D. Van Thourhout
    • , S. D. Solares
    • , T. Low
    • , R. Agarwal
    • , S. R. Bank
    •  & V. J. Sorger
  • Article |

    The incorporation of microsphere lasers into heart cells allows all-optical recording of cardiac contraction with cellular resolution. [This summary has been amended from ‘microdisk’ to ‘microsphere’ lasers.]

    • Marcel Schubert
    • , Lewis Woolfson
    • , Isla R. M. Barnard
    • , Amy M. Dorward
    • , Becky Casement
    • , Andrew Morton
    • , Gavin B. Robertson
    • , Paul L. Appleton
    • , Gareth B. Miles
    • , Carl S. Tucker
    • , Samantha J. Pitt
    •  & Malte C. Gather
  • Article |

    A tomographiac approach to second-harmonic-generation imaging on nonlinear structures is demonstrated, with experiments and three-dimensional reconstructions on a beta-barium borate crystal and various biological specimens performed.

    • Chenfei Hu
    • , Jeffrey J. Field
    • , Varun Kelkar
    • , Benny Chiang
    • , Keith Wernsing
    • , Kimani C. Toussaint
    • , Randy A. Bartels
    •  & Gabriel Popescu
  • Article |

    By suppressing the second- and third-order intracavity dispersion using an intracavity spectral pulse shaper, a mode-locked laser that emits pure-quartic soliton pulses that arise from the interaction of the fourth-order dispersion and the Kerr nonlinearity is demonstrated.

    • Antoine F. J. Runge
    • , Darren D. Hudson
    • , Kevin K. K. Tam
    • , C. Martijn de Sterke
    •  & Andrea Blanco-Redondo
  • Article |

    The first operation of the European X-ray free-electron laser facility accelerator based on superconducting technology is reported. The maximum electron energy is 17.5 GeV. A laser average power of 6 W is achieved at a photon energy of 9.3 keV.

    • W. Decking
    • , S. Abeghyan
    • , P. Abramian
    • , A. Abramsky
    • , A. Aguirre
    • , C. Albrecht
    • , P. Alou
    • , M. Altarelli
    • , P. Altmann
    • , K. Amyan
    • , V. Anashin
    • , E. Apostolov
    • , K. Appel
    • , D. Auguste
    • , V. Ayvazyan
    • , S. Baark
    • , F. Babies
    • , N. Baboi
    • , P. Bak
    • , V. Balandin
    • , R. Baldinger
    • , B. Baranasic
    • , S. Barbanotti
    • , O. Belikov
    • , V. Belokurov
    • , L. Belova
    • , V. Belyakov
    • , S. Berry
    • , M. Bertucci
    • , B. Beutner
    • , A. Block
    • , M. Blöcher
    • , T. Böckmann
    • , C. Bohm
    • , M. Böhnert
    • , V. Bondar
    • , E. Bondarchuk
    • , M. Bonezzi
    • , P. Borowiec
    • , C. Bösch
    • , U. Bösenberg
    • , A. Bosotti
    • , R. Böspflug
    • , M. Bousonville
    • , E. Boyd
    • , Y. Bozhko
    • , A. Brand
    • , J. Branlard
    • , S. Briechle
    • , F. Brinker
    • , S. Brinker
    • , R. Brinkmann
    • , S. Brockhauser
    • , O. Brovko
    • , H. Brück
    • , A. Brüdgam
    • , L. Butkowski
    • , T. Büttner
    • , J. Calero
    • , E. Castro-Carballo
    • , G. Cattalanotto
    • , J. Charrier
    • , J. Chen
    • , A. Cherepenko
    • , V. Cheskidov
    • , M. Chiodini
    • , A. Chong
    • , S. Choroba
    • , M. Chorowski
    • , D. Churanov
    • , W. Cichalewski
    • , M. Clausen
    • , W. Clement
    • , C. Cloué
    • , J. A. Cobos
    • , N. Coppola
    • , S. Cunis
    • , K. Czuba
    • , M. Czwalinna
    • , B. D’Almagne
    • , J. Dammann
    • , H. Danared
    • , A. de Zubiaurre Wagner
    • , A. Delfs
    • , T. Delfs
    • , F. Dietrich
    • , T. Dietrich
    • , M. Dohlus
    • , M. Dommach
    • , A. Donat
    • , X. Dong
    • , N. Doynikov
    • , M. Dressel
    • , M. Duda
    • , P. Duda
    • , H. Eckoldt
    • , W. Ehsan
    • , J. Eidam
    • , F. Eints
    • , C. Engling
    • , U. Englisch
    • , A. Ermakov
    • , K. Escherich
    • , J. Eschke
    • , E. Saldin
    • , M. Faesing
    • , A. Fallou
    • , M. Felber
    • , M. Fenner
    • , B. Fernandes
    • , J. M. Fernández
    • , S. Feuker
    • , K. Filippakopoulos
    • , K. Floettmann
    • , V. Fogel
    • , M. Fontaine
    • , A. Francés
    • , I. Freijo Martin
    • , W. Freund
    • , T. Freyermuth
    • , M. Friedland
    • , L. Fröhlich
    • , M. Fusetti
    • , J. Fydrych
    • , A. Gallas
    • , O. García
    • , L. Garcia-Tabares
    • , G. Geloni
    • , N. Gerasimova
    • , C. Gerth
    • , P. Geßler
    • , V. Gharibyan
    • , M. Gloor
    • , J. Głowinkowski
    • , A. Goessel
    • , Z. Gołębiewski
    • , N. Golubeva
    • , W. Grabowski
    • , W. Graeff
    • , A. Grebentsov
    • , M. Grecki
    • , T. Grevsmuehl
    • , M. Gross
    • , U. Grosse-Wortmann
    • , J. Grünert
    • , S. Grunewald
    • , P. Grzegory
    • , G. Feng
    • , H. Guler
    • , G. Gusev
    • , J. L. Gutierrez
    • , L. Hagge
    • , M. Hamberg
    • , R. Hanneken
    • , E. Harms
    • , I. Hartl
    • , A. Hauberg
    • , S. Hauf
    • , J. Hauschildt
    • , J. Hauser
    • , J. Havlicek
    • , A. Hedqvist
    • , N. Heidbrook
    • , F. Hellberg
    • , D. Henning
    • , O. Hensler
    • , T. Hermann
    • , A. Hidvégi
    • , M. Hierholzer
    • , H. Hintz
    • , F. Hoffmann
    • , Markus Hoffmann
    • , Matthias Hoffmann
    • , Y. Holler
    • , M. Hüning
    • , A. Ignatenko
    • , M. Ilchen
    • , A. Iluk
    • , J. Iversen
    • , J. Iversen
    • , M. Izquierdo
    • , L. Jachmann
    • , N. Jardon
    • , U. Jastrow
    • , K. Jensch
    • , J. Jensen
    • , M. Jeżabek
    • , M. Jidda
    • , H. Jin
    • , N. Johansson
    • , R. Jonas
    • , W. Kaabi
    • , D. Kaefer
    • , R. Kammering
    • , H. Kapitza
    • , S. Karabekyan
    • , S. Karstensen
    • , K. Kasprzak
    • , V. Katalev
    • , D. Keese
    • , B. Keil
    • , M. Kholopov
    • , M. Killenberger
    • , B. Kitaev
    • , Y. Klimchenko
    • , R. Klos
    • , L. Knebel
    • , A. Koch
    • , M. Koepke
    • , S. Köhler
    • , W. Köhler
    • , N. Kohlstrunk
    • , Z. Konopkova
    • , A. Konstantinov
    • , W. Kook
    • , W. Koprek
    • , M. Körfer
    • , O. Korth
    • , A. Kosarev
    • , K. Kosiński
    • , D. Kostin
    • , Y. Kot
    • , A. Kotarba
    • , T. Kozak
    • , V. Kozak
    • , R. Kramert
    • , M. Krasilnikov
    • , A. Krasnov
    • , B. Krause
    • , L. Kravchuk
    • , O. Krebs
    • , R. Kretschmer
    • , J. Kreutzkamp
    • , O. Kröplin
    • , K. Krzysik
    • , G. Kube
    • , H. Kuehn
    • , N. Kujala
    • , V. Kulikov
    • , V. Kuzminych
    • , D. La Civita
    • , M. Lacroix
    • , T. Lamb
    • , A. Lancetov
    • , M. Larsson
    • , D. Le Pinvidic
    • , S. Lederer
    • , T. Lensch
    • , D. Lenz
    • , A. Leuschner
    • , F. Levenhagen
    • , Y. Li
    • , J. Liebing
    • , L. Lilje
    • , T. Limberg
    • , D. Lipka
    • , B. List
    • , J. Liu
    • , S. Liu
    • , B. Lorbeer
    • , J. Lorkiewicz
    • , H. H. Lu
    • , F. Ludwig
    • , K. Machau
    • , W. Maciocha
    • , C. Madec
    • , C. Magueur
    • , C. Maiano
    • , I. Maksimova
    • , K. Malcher
    • , T. Maltezopoulos
    • , E. Mamoshkina
    • , B. Manschwetus
    • , F. Marcellini
    • , G. Marinkovic
    • , T. Martinez
    • , H. Martirosyan
    • , W. Maschmann
    • , M. Maslov
    • , A. Matheisen
    • , U. Mavric
    • , J. Meißner
    • , K. Meissner
    • , M. Messerschmidt
    • , N. Meyners
    • , G. Michalski
    • , P. Michelato
    • , N. Mildner
    • , M. Moe
    • , F. Moglia
    • , C. Mohr
    • , S. Mohr
    • , W. Möller
    • , M. Mommerz
    • , L. Monaco
    • , C. Montiel
    • , M. Moretti
    • , I. Morozov
    • , P. Morozov
    • , D. Mross
    • , J. Mueller
    • , C. Müller
    • , J. Müller
    • , K. Müller
    • , J. Munilla
    • , A. Münnich
    • , V. Muratov
    • , O. Napoly
    • , B. Näser
    • , N. Nefedov
    • , Reinhard Neumann
    • , Rudolf Neumann
    • , N. Ngada
    • , D. Noelle
    • , F. Obier
    • , I. Okunev
    • , J. A. Oliver
    • , M. Omet
    • , A. Oppelt
    • , A. Ottmar
    • , M. Oublaid
    • , C. Pagani
    • , R. Paparella
    • , V. Paramonov
    • , C. Peitzmann
    • , J. Penning
    • , A. Perus
    • , F. Peters
    • , B. Petersen
    • , A. Petrov
    • , I. Petrov
    • , S. Pfeiffer
    • , J. Pflüger
    • , S. Philipp
    • , Y. Pienaud
    • , P. Pierini
    • , S. Pivovarov
    • , M. Planas
    • , E. Pławski
    • , M. Pohl
    • , J. Polinski
    • , V. Popov
    • , S. Prat
    • , J. Prenting
    • , G. Priebe
    • , H. Pryschelski
    • , K. Przygoda
    • , E. Pyata
    • , B. Racky
    • , A. Rathjen
    • , W. Ratuschni
    • , S. Regnaud-Campderros
    • , K. Rehlich
    • , D. Reschke
    • , C. Robson
    • , J. Roever
    • , M. Roggli
    • , J. Rothenburg
    • , E. Rusiński
    • , R. Rybaniec
    • , H. Sahling
    • , M. Salmani
    • , L. Samoylova
    • , D. Sanzone
    • , F. Saretzki
    • , O. Sawlanski
    • , J. Schaffran
    • , H. Schlarb
    • , M. Schlösser
    • , V. Schlott
    • , C. Schmidt
    • , F. Schmidt-Foehre
    • , M. Schmitz
    • , M. Schmökel
    • , T. Schnautz
    • , E. Schneidmiller
    • , M. Scholz
    • , B. Schöneburg
    • , J. Schultze
    • , C. Schulz
    • , A. Schwarz
    • , J. Sekutowicz
    • , D. Sellmann
    • , E. Semenov
    • , S. Serkez
    • , D. Sertore
    • , N. Shehzad
    • , P. Shemarykin
    • , L. Shi
    • , M. Sienkiewicz
    • , D. Sikora
    • , M. Sikorski
    • , A. Silenzi
    • , C. Simon
    • , W. Singer
    • , X. Singer
    • , H. Sinn
    • , K. Sinram
    • , N. Skvorodnev
    • , P. Smirnow
    • , T. Sommer
    • , A. Sorokin
    • , M. Stadler
    • , M. Steckel
    • , B. Steffen
    • , N. Steinhau-Kühl
    • , F. Stephan
    • , M. Stodulski
    • , M. Stolper
    • , A. Sulimov
    • , R. Susen
    • , J. Świerblewski
    • , C. Sydlo
    • , E. Syresin
    • , V. Sytchev
    • , J. Szuba
    • , N. Tesch
    • , J. Thie
    • , A. Thiebault
    • , K. Tiedtke
    • , D. Tischhauser
    • , J. Tolkiehn
    • , S. Tomin
    • , F. Tonisch
    • , F. Toral
    • , I. Torbin
    • , A. Trapp
    • , D. Treyer
    • , G. Trowitzsch
    • , T. Trublet
    • , T. Tschentscher
    • , F. Ullrich
    • , M. Vannoni
    • , P. Varela
    • , G. Varghese
    • , G. Vashchenko
    • , M. Vasic
    • , C. Vazquez-Velez
    • , A. Verguet
    • , S. Vilcins-Czvitkovits
    • , R. Villanueva
    • , B. Visentin
    • , M. Viti
    • , E. Vogel
    • , E. Volobuev
    • , R. Wagner
    • , N. Walker
    • , T. Wamsat
    • , H. Weddig
    • , G. Weichert
    • , H. Weise
    • , R. Wenndorf
    • , M. Werner
    • , R. Wichmann
    • , C. Wiebers
    • , M. Wiencek
    • , T. Wilksen
    • , I. Will
    • , L. Winkelmann
    • , M. Winkowski
    • , K. Wittenburg
    • , A. Witzig
    • , P. Wlk
    • , T. Wohlenberg
    • , M. Wojciechowski
    • , F. Wolff-Fabris
    • , G. Wrochna
    • , K. Wrona
    • , M. Yakopov
    • , B. Yang
    • , F. Yang
    • , M. Yurkov
    • , I. Zagorodnov
    • , P. Zalden
    • , A. Zavadtsev
    • , D. Zavadtsev
    • , A. Zhirnov
    • , A. Zhukov
    • , V. Ziemann
    • , A. Zolotov
    • , N. Zolotukhina
    • , F. Zummack
    •  & D. Zybin
  • Article |

    Carefully designed hollow-core antiresonant fibres support a pair of orthogonal polarization modes with a level of purity and cross-coupling that is orders of magnitude lower than other fibre designs and beyond the fundamental Rayleigh scattering limit of glass core fibres.

    • A. Taranta
    • , E. Numkam Fokoua
    • , S. Abokhamis Mousavi
    • , J. R. Hayes
    • , T. D. Bradley
    • , G. T. Jasion
    •  & F. Poletti
  • Article |

    The use of a photonic integrated circuit to both hold a biological sample and generate the necessary light patterns for structured illumination microscopy promises convenient super-resolution imaging.

    • Øystein Ivar Helle
    • , Firehun Tsige Dullo
    • , Marcel Lahrberg
    • , Jean-Claude Tinguely
    • , Olav Gaute Hellesø
    •  & Balpreet Singh Ahluwalia
  • Article |

    Combining the advantages of ultrasound and light for fluorescence imaging, an imaging technique termed fluorescence and ultrasound-modulated light correlation, or FLUX, that leverages the dynamic nature of the medium is reported to uniquely resolve fluorophore distribution even when the speckles decorrelate fast.

    • Haowen Ruan
    • , Yan Liu
    • , Jian Xu
    • , Yujia Huang
    •  & Changhuei Yang
  • Article |

    A metasurface laser generates orbital angular momentum states with quantum numbers reaching  = 100. Simultaneous output vortex beams, with Δ as great as 90, are demonstrated in the visible regime.

    • Hend Sroor
    • , Yao-Wei Huang
    • , Bereneice Sephton
    • , Darryl Naidoo
    • , Adam Vallés
    • , Vincent Ginis
    • , Cheng-Wei Qiu
    • , Antonio Ambrosio
    • , Federico Capasso
    •  & Andrew Forbes
  • Article |

    By harnessing the excitonic resonances of a monolayer of WS2 in the visible spectral range, large-area, actively tunable and atomically thin optical lenses can be realized.

    • Jorik van de Groep
    • , Jung-Hwan Song
    • , Umberto Celano
    • , Qitong Li
    • , Pieter G. Kik
    •  & Mark L. Brongersma
  • Article |

    Nanophotonic microwave synthesizers in the X-band (10 GHz, for radar) and K-band (20 GHz, for 5G), based on integrated soliton microcombs driven by a low-noise fibre laser, link the fields of microwave photonics and integrated microcombs.

    • Junqiu Liu
    • , Erwan Lucas
    • , Arslan S. Raja
    • , Jijun He
    • , Johann Riemensberger
    • , Rui Ning Wang
    • , Maxim Karpov
    • , Hairun Guo
    • , Romain Bouchand
    •  & Tobias J. Kippenberg
  • Article |

    Robust terahertz wave transport is demonstrated on a silicon chip using the valley Hall topological phase. Error-free communication is achieved at a data rate of 11 Gbit s−1, enabling real-time transmission of uncompressed 4K high-definition video.

    • Yihao Yang
    • , Yuichiro Yamagami
    • , Xiongbin Yu
    • , Prakash Pitchappa
    • , Julian Webber
    • , Baile Zhang
    • , Masayuki Fujita
    • , Tadao Nagatsuma
    •  & Ranjan Singh
  • Article |

    Transscleral optical phase imaging, which is based on transscleral flood illumination of the retina, is demonstrated to provide cellular-resolution, label-free, high-contrast images of the retinal layers over a large field of view without the drawback of a long exposure time.

    • Timothé Laforest
    • , Mathieu Künzi
    • , Laura Kowalczuk
    • , Dino Carpentras
    • , Francine Behar-Cohen
    •  & Christophe Moser
  • Article |

    Optical nonlinearity is exploited for non-reciprocal transmission and integrated frequency comb-based optical ranging.

    • Ki Youl Yang
    • , Jinhie Skarda
    • , Michele Cotrufo
    • , Avik Dutt
    • , Geun Ho Ahn
    • , Mahmoud Sawaby
    • , Dries Vercruysse
    • , Amin Arbabian
    • , Shanhui Fan
    • , Andrea Alù
    •  & Jelena Vučković
  • Article |

    Continuous-wave lasing in strained GeSn alloys is reported at temperatures of up to 100 K. The approach offers a route towards a group-IV-on-silicon laser.

    • Anas Elbaz
    • , Dan Buca
    • , Nils von den Driesch
    • , Konstantinos Pantzas
    • , Gilles Patriarche
    • , Nicolas Zerounian
    • , Etienne Herth
    • , Xavier Checoury
    • , Sébastien Sauvage
    • , Isabelle Sagnes
    • , Antonino Foti
    • , Razvigor Ossikovski
    • , Jean-Michel Hartmann
    • , Frédéric Boeuf
    • , Zoran Ikonic
    • , Philippe Boucaud
    • , Detlev Grützmacher
    •  & Moustafa El Kurdi
  • Article |

    Knowledge about detection latency provides a guideline to reduce the timing jitter of niobium nitride superconducting nanowire single-photon detectors. A timing jitter of 2.6 ps at visible wavelength and 4.3 ps at 1,550 nm is achieved.

    • Boris Korzh
    • , Qing-Yuan Zhao
    • , Jason P. Allmaras
    • , Simone Frasca
    • , Travis M. Autry
    • , Eric A. Bersin
    • , Andrew D. Beyer
    • , Ryan M. Briggs
    • , Bruce Bumble
    • , Marco Colangelo
    • , Garrison M. Crouch
    • , Andrew E. Dane
    • , Thomas Gerrits
    • , Adriana E. Lita
    • , Francesco Marsili
    • , Galan Moody
    • , Cristián Peña
    • , Edward Ramirez
    • , Jake D. Rezac
    • , Neil Sinclair
    • , Martin J. Stevens
    • , Angel E. Velasco
    • , Varun B. Verma
    • , Emma E. Wollman
    • , Si Xie
    • , Di Zhu
    • , Paul D. Hale
    • , Maria Spiropulu
    • , Kevin L. Silverman
    • , Richard P. Mirin
    • , Sae Woo Nam
    • , Alexander G. Kozorezov
    • , Matthew D. Shaw
    •  & Karl K. Berggren
  • Article |

    Strong electrorefractive effects in semiconductor transition metal dichalcogenides (TMDs) at near-infrared wavelengths, where the TMDs are transparent, are observed and used to demonstrate photonic devices based on a composite SiN–TMD platform with large phase modulation, minimal induced loss and low electrical power consumption.

    • Ipshita Datta
    • , Sang Hoon Chae
    • , Gaurang R. Bhatt
    • , Mohammad Amin Tadayon
    • , Baichang Li
    • , Yiling Yu
    • , Chibeom Park
    • , Jiwoong Park
    • , Linyou Cao
    • , D. N. Basov
    • , James Hone
    •  & Michal Lipson
  • Article |

    Vertical integration of a metalens to realize compound nanophotonic systems for optical analog image processing is realized, significantly reducing the size and complexity of conventional optical systems.

    • You Zhou
    • , Hanyu Zheng
    • , Ivan I. Kravchenko
    •  & Jason Valentine