Compound semiconductor on insulator—an emerging, potentially revolutionary platform—is enabling radically new photonic devices with superb functionality.by Lin Chang, Garrett D. Cole, Galan Moody and John E. Bowers
Extending a key resource of quantum technology, entanglement—either by having more than two quantum objects or using “qudits” instead of “qubits”—offers prospects for improvements in quantum communications, computation and other technologies.by Jacquiline Romero and Markus Rambach
An argument between Bell Labs and ARPA in 1959 led to classification of a million-dollar ARPA project to make the first laser—and delayed the laser efforts of both parties.by Jeff Hecht
Departments and Columns
Climate-neutral fuel / Data storage / Lung phantoms / InGaN LEDs / Tudor relic / Photonics firm results / UK-US quantum agreement / Holographic lens for astronomy
An October 2021 International Monetary Fund report noted continued pandemic-related supply chain disruptions that could slow the global economic recovery. Here are a few highlights.
As 2022 begins, Optica’s senior industry adviser examines trends for optics and photonics products against the backdrop of the pandemic’s broader disruptions.
Exploring the subtle differences between two atmospheric optical phenomena—one ghostly pale, the other gaudily colored.
Also in this Issue
I am pleased to greet you as the 2022 President of Optica.
Christiaan Huygens; mysterious X-rays; optical communications.
Chang Pivoting Fellowship / 2021 Honorary Member / Amplify Scholarship / Optica Fellow stories / Diversity and inclusion awards / An Emmy for Fossum / RAE induction for Riza / Gapontsev remembered / Bayvel receives Young Medal / Jagadish named AAS president / Thank you, editors and volunteers
Remembering an internationally celebrated theorist in atomic physics.