Controlling Light on a Chip at the Single-Photon Level

Integrating optics and electronics into systems such as fiber-optic data links has revolutionized how we transmit information. A second revolution awaits as researchers seek to develop chips in which individual atoms control the movement of light within the chip through optical "wires," and photons could replace electrons as the vehicle for performing computations. Andrei Faraon (BS '04), an assistant professor of applied physics and materials science in the Division of Engineering and Applied Science, presents a preview of this revolution at 8 p.m. on Wednesday, December 17, in Caltech's Beckman Auditorium. Admission is free.

Quantum Code-Cracking: An Interview with Thomas Vidick

Thomas Vidick, assistant professor of computing and mathematical sciences, works to apply algorithms to quantum systems.

Prime Numbers, Quantum Fields, and Donuts: An Interview with Xinwen Zhu

Xinwen Zhu, associate professor of mathematics, joined the Caltech faculty in September. He tells us about himself and his work with a web of mathematical conjectures called the Langlands program.

Einstein Online: An Interview with Diana Kormos-Buchwald

The Einstein Papers Project at Caltech, the Princeton University Press, and the Hebrew University of Jerusalem have launched a digital edition of The Collected Papers of Albert Einstein. We recently spoke with Diana Kormos-Buchwald, director and general editor of the Einstein Papers Project, about the new, free resource.

Don L. Anderson

Don L. Anderson, the Eleanor and John R. McMillan Professor of Geophysics, Emeritus, passed away on December 2, 2014. He was 81 years old.

India Becomes TMT Partner

Leaders of the Thirty Meter Telescope (TMT) project announced on Tuesday that the government of India has signed on as a full partner in the construction of what will be the world's largest ground-based telescope.

Marvin L. "Murph" Goldberger

Marvin L. "Murph" Goldberger, Caltech president and professor of theoretical physics, emeritus, passed away on November 26, 2014. He was 92.

New Technique Could Harvest More of the Sun's Energy

Solar panels convert visible light from the sun into electricity—but the sun's infrared light passes right through the panel's silicon material. Caltech researchers have come up with a method that may be able to harness that lost energy.

Caltech Geologists Discover Ancient Buried Canyon in South Tibet

A team of researchers has discovered an ancient, deep canyon buried along the Yarlung Tsangpo River in south Tibet. The geologists say that the ancient canyon—thousands of feet deep in places—effectively rules out a popular model used to explain how the massive and picturesque gorges of the Himalayas became so steep, so fast.

New Center Supports Data-Driven Research

The new Center for Data-Driven Discovery makes advanced computational tools available to researchers from all six Caltech divisions, plus JPL researchers.

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