Optoelectronics Research Group


October 12, 2017

We demonstrate the first interband cascade lasers heterogeneously integrated with silicon waveguides. The 3.6 μm wavelength lasers operate in pulsed mode at room temperature, with threshold currents as low as 394 mA.

September 27, 2017

As a result of record low threading dislocation densities, the threshold current and threshold current density have gone down in our Quantum Dot lasers, and we see record high wallplug efficiencies for any laser on silicon.

August 1, 2017

The cover of the latest issue of Optica shows the latest quantum dot microring lasers on silicon with record low lasing thresholds.  This is promising for next generation data center interconnects.

January 8, 2017

UCSB successfully demonstrated an electrically pumped hybrid silicon laser a decade ago. That advance has paved the way for the commercial production of high-bandwidth silicon photonic devices. Today, Bowers is leading UC Santa Barbara’s…

August 3, 2016

John Bowers, Professor of Materials and of Electrical and Computer Engineering, has been awarded the 2017 IEEE Photonics Award in honor of his pioneering research in silicon photonics, including hybrid silicon lasers, photonic integrated circuits…

April 13, 2016

The UC Santa Barbara student chapter of the Institute of Electrical and Electronics Engineer’s Photonics Society has been named Chapter of the Year for 2016.

Established four years ago, the student organization of young engineers at UCSB…

Events & Seminars

Frédéric Grillot
Professor, Télécom ParisTech, France, Research Professor,…
November 20, 2017, 2:00 pm

Abstract: By the reduction of semiconductor structure dimensionality, from bulk to quantum-well and finally to quantum-dots (QDs), we gain in control over the energetic distribution of carriers…

Urs Hölzle
Senior Vice President, Technical Infrastructure &…
October 20, 2017, 4:30 pm

Abstract: Today, the IT industry accounts for about 2 percent of total greenhouse gas emissions, comparable to the footprint of air travel. This footprint includes everything from…

Jeehwan Kim
Massachusetts Institute of Technology
July 14, 2017, 10:00 am

Bio: Professor Jeehwan Kim joined the Mechanical Engineering faculty at Massachusetts Institute of
Technology in September 2015 and the Materials Science and Engineering in…


A. Spott, E. J. Stanton, A. Torres, M. L.…
October 12, 2017
M. L. Davenport
September 29, 2017
C. Lee, C. Zhang, D. L. Becerra, S. Lee, S. H. Oh…
August 1, 2017