When — and why — does a photon emitter not emit? Research at UC Santa Barbara illuminates the issue.
Featured News
![](https://engineering.ucsb.edu/sites/default/files/styles/news_and_events_thumb_2x/public/images/news/Van%20de%20Walle%20photons%20image_news.jpg?itok=bEw5sBTr)
Concept illustration depicting a quantum defect emitting a single photon. Image by Mark Turiansky
![An images suggesting heat being transformed into electricity](https://engineering.ucsb.edu/sites/default/files/styles/news_and_events_thumb_2x/public/images/news/Bolin_Lao_heat_7-1-24.jpg?itok=SFM75_XC&c=6ed20e94f6c3593c8008e797f1c99771)
Bolin Liao and collaborators investigate the thermoelectric properties of cadmium arsenide thin films.
![Neuromorphic computing has emerged as a promising way to bridge the energy efficiency gap.](https://engineering.ucsb.edu/sites/default/files/styles/news_and_events_thumb_2x/public/images/news/neuromorphic-computing-brain-istock-uc-santa-barbara-small.jpg?itok=Jv6onQjR)
Neuromorphic computing has emerged as a promising way to bridge the energy efficiency gap.
In a recently published paper, researcher propose an ultra-energy efficient platform that can bring the energy requirements to within two order of magnitude with respect to the human brain.
![Mechanical engineering professor Yangying Zhu (far right) and some of her graduate students pose inside her lab.](https://engineering.ucsb.edu/sites/default/files/styles/news_and_events_thumb_2x/public/images/news/Zhu_YangYing_Group.jpeg?itok=Vp2zojw7&c=c5822752de2bffc787c55bd59c9750ed)
All five UCSB engineering programs evaluated this year, and the College of Engineering, ranked in the top 16 among public universities, including one in the top 2 and three in the top 13.
All five UCSB engineering programs evaluated this year, and the College of Engineering, ranked in the top 16 among public universities, including one in the top 2 and three in the top 13.
![Outstanding Seniors (clockwise from top left) Ivy Wang, Arik Cheslog, Arun Khanna, Yufei Song, Andy Ouyang, Jonathan Cheng, Yuxiang Wan, Kai Mambu](https://engineering.ucsb.edu/sites/default/files/styles/news_and_events_thumb_2x/public/images/news/Outstanding_seniors.png?itok=kSz8FrU3)
Outstanding Seniors (clockwise from top left) Ivy Wang, Arik Cheslog, Arun Khanna, Yufei Song, Andy Ouyang, Jonathan Cheng, Yuxiang Wan, Kai Mambu
Every undergraduate department recognizes the graduating senior with the highest GPA.
![2024 Outstanding Faculty (clockwise from top left) Galan Moody, Trevor Marks, Jonathan Balkind, Yoga Isukapalli, Michael Doherty](https://engineering.ucsb.edu/sites/default/files/styles/news_and_events_thumb_2x/public/images/news/Faculty.png?itok=F9VYO05T)
2024 Outstanding Faculty (clockwise from top left) Galan Moody, Trevor Marks, Jonathan Balkind, Yoga Isukapalli, Michael Doherty
Three first-time recipients are among the five College of Engineering faculty members honored by graduating seniors.
![2024 Outstanding Teaching Assistants (clockwise from top left) Cassidy Tobin, Anders Seawright, Eric Hsieh, Junrui Liu, Kunjesh Agashiwala](https://engineering.ucsb.edu/sites/default/files/styles/news_and_events_thumb_2x/public/images/news/TAS.png?itok=LQyMIhMM)
2024 Outstanding Teaching Assistants (clockwise from top left) Cassidy Tobin, Anders Seawright, Eric Hsieh, Junrui Liu, Kunjesh Agashiwala
Graduating seniors recognize one teaching assistant from each undergraduate degree program.
![COE Award Recipients (clockwise from top left) Chiyo McMullin, Sacha Escudier, Harry Jung, Phineas Lehan](https://engineering.ucsb.edu/sites/default/files/styles/news_and_events_thumb_2x/public/images/news/AWARDS.png?itok=9GovZPPt&c=daa2a901d5ca832f75f4352f44944aac)
COE Award Recipients (clockwise from top left) Chiyo McMullin, Sacha Escudier, Harry Jung, Phineas Lehan
COE announces prestigious awards for undergraduate research, community service, and selects commencement student speaker.