Perspectives

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  • Since the inception of the idea of temporal solitons in optical fibres, published in 1973, the concept of optical solitons has revolutionized the fundamental science of optics and photonics technologies. This Perspective gives an outlook on the future of solitons in ultrafast lasers, frequency combs, biomedical applications, telecommunications and signal processing, as well as the emerging new science of solitons.

    • Andrea Blanco-Redondo
    • C. Martijn de Sterke
    • Sergei K. Turitsyn
    Perspective
  • The authors discuss the opportunities and challenges facing underwater photovoltaics.

    • Jason A. Röhr
    • B. Edward Sartor
    • André D. Taylor
    Perspective
  • Progress in the field of quantum-photonics applications of metasurfaces is reviewed. Cutting-edge research, including the development of optical chips supporting high-dimensional quantum entanglement and advanced quantum tomography, is summarized.

    • Alexander S. Solntsev
    • Girish S. Agarwal
    • Yuri S. Kivshar
    Perspective
  • The parameters and issues that affect the accuracy of fluorescence molecular imaging are discussed and a means for ensuring reliable reproduction of the fluorescence signals in biological tissue is proposed.

    • Maximillian Koch
    • Panagiotis Symvoulidis
    • Vasilis Ntziachristos
    Perspective