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We demonstrate the first tunable single wavelength quantum dot (QD) laser directly grown on Si. A simple, integrable architecture is implemented without involving re-growth steps or sub-wavelength…
A Quantum Leap
UC Santa Barbara is selected as the site of the nation’s first NSF-funded Quantum Foundry, a center for the development of materials and devices for quantum information-based technologies…
Pushing the Data Capacity Limit with Lasers on Silicon
Congrats to Yating and Justin on the publication of a chapter on Quantum Dot Microcavities in the new Elsevier book, "Future of Silicon Photonics", volume 101 of Semimetals:
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UC ranked #1 in the world in patents in 2018!
two papers from our group are selected as the top 10 cited articles on Integrated Optics published in 2018
In 2020, the laser will celebrate its 60th anniversary. Here Photonics Media presents a timeline of some of the more notable scientific accomplishments related to light amplification by stimulated emission of radiation (laser). An interactive…
Abstract—Silicon photonics offer a low-cost platform for large- scale RF system integration. Spur-free dynamic range (SFDR) for analog and RF photonic components is limited by electri- cal and optical characteristics of the p- and n- junction…
"The National Academy of Inventors and the Intellectual Property Owners Association have announced their seventh annual report on trends within academic patenting. The Top 100 Worldwide Universities Granted U.S. Utility Patents in 2018 has been…
We demonstrate a fully integrated extended distributed Bragg reflector (DBR) laser with ∼1 kHz linewidth and over 37 mW output power, as well as a ring-assisted DBR laser with less than 500 Hz linewidth. The extended DBR lasers are fabricated by…
Events & Seminars
We review advances in the timing stabilization of self mode-locked and passively mode-locked
frequency comb semiconductor lasers in the infrared spectral range. Prospects of pulse train timing and
amplitude stability control, intermode beat frequency or pulse repetition rate agility,…
Nanoscale Foundries: Electronics, Photonics, Ionics, Fluidics
Dr. Rajeev Ram
Department of Electrical Engineering & Computer Science, MIT
Modern silicon fabs routinely produce functional electrical components for a few dollars at part counts exceeding
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Abstract: Integrated electronic-photonic co-design can profoundly impact both fields resulting in advances in several areas such as energy efficient communication, signal processing, imaging, and sensing. Examples of integrated electronic-photonic co-design may be categorized into two groups: (a)…
