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The arrival of light-emitting diodes based on new materials is posing challenges for the characterization and comparison of devices in a trusted and consistent manner. Here we provide some advice and guidelines that we hope will benefit the community.
Evgeny Dianov (1936–2019) was a pioneer of fibre-optics research in the former Soviet Union and director of a highly successful research centre in Moscow dedicated to the field.
Father of the semiconductor laser, Nobel Prize laureate and director of the Ioffe Institute in St Petersburg, Zhores Alferov was a much-loved scientist and educator whose research changed the modern world.
Yaron Silberberg of the Weizmann Institute in Israel passed away in April. Here, some of his former students and friends remind us of who Yaron was: a creative researcher and a mentor without ego with major achievements in nonlinear optics, microscopy and quantum physics.
The Shockley–Queisser model is a landmark in photovoltaic device analysis by defining an ideal situation as reference for actual solar cells. However, the model and its implications are easily misunderstood. Thus, we present a guide to help understand and to avoid misinterpreting it.
As a pioneer in the research on ultra-high-quality dielectric microresonators and their applications in nonlinear optics, frequency metrology and laser science, Mikhail Gorodetsky is badly missed.
As the most abundant biopolymer on Earth since it can be found in every plant cell wall, cellulose has emerged as an ideal candidate for the development of renewable and biodegradable photonic materials, substituting conventional pigments.
The 2005 Nobel laureate, Roy Jay Glauber, sadly passed away on 26 December 2018 at the age of 93. He was highly regarded for his work on the quantum theory of coherence, as well as for his contributions to nuclear physics, scattering theory and statistical mechanics.
Victor Georgievich Veselago (1929–2018), a Russian scientist from the Lebedev Physical Institute in Moscow, provided great inspiration and impetus to the field of metamaterials with his theoretical analysis of materials with a negative index of refraction.
Osamu Shimomura’s 90-year life came to an end on 19 October 2018. Throughout his long and exceedingly fruitful career, the Japanese marine biologist and chemist passionately explored the phenomenon of bioluminescence in living organisms, earning a Nobel Prize in the process.
