**About the Editors**

#### **Jes ´us Li ˜nares Beiras**

Jesus Li ´ nares Beiras is a full professor in Optics (since 1998) in the Applied Physics Department, ˜ Faculty of Physics, Universidade de Santiago de Compostela (USC). He received BS, MS and PhD (with special distinction) degrees in Physics in 1984, 1985 and 1988, respectively, from the USC. His academic experience is mainly related to subjects such as Classical Optics, Quantum Optics, Integrated Optics, and Interaction Radiation-Matter. Since 2013, he has been the coordinator of the PhD programme Laser, Photonics and Vision (USC). He has authored about 200 international publications in GRIN and fiber optics, integrated optics and quantum optics, and presented several invited papers at international conferences. Since 1998, he has led the research group Quantum Matter and Photonics at the USC. He has been the main researcher responsible for many projects in classical and quantum guided-wave optics and fiber optics. He has also advised many MS and PhD students. He is a member of EOS, SEDO and RSEF.

#### **Giancarlo C. Righini**

Giancarlo C. Righini, physicist, is now a senior associate at the Nello Carrara Institute of Applied Physics (IFAC CNR). He worked for more than 40 years at the National Research Council of Italy (CNR), and rose to the position of research director at IFAC. He was the director of the CNR Natl. Group of Quantum Electronics & Plasma Physics (1983–1996) and director of the CNR Natl. Dept. of Materials and Devices (2006–2009). He retired from CNR at the end of 2010, and subsequently became the director of Enrico Fermi Centre, in Rome, Italy (2012–2016). He was the co-founder and then President of SIOF, the Vice President of IUPAP, the Vice President of ICO, the Secretary of EOS, and a member of the Board of Directors of SPIE. He is an honorary chair of the Intl. Workshop PRE—Photoluminescence in Rare Earths. He has authored more than 500 papers, and edited or co-edited 6 books. He is a Fellow of EOS, OSA, SIF, SIOF, and SPIE. Dr. Righini is listed in the top 2% most cited scientists globally within their respective specialty areas .
