March 26, 2024

Optica is pleased to announce that Dr. Radhakrishnan Nagarajan, Marvell, USA has been selected as the 2024 recipient of the David Richardson Medal. Nagarajan is honored for the successful…

March 22, 2024

UC Santa Barbara’s Institute for Energy Efficiency (IEE) is a world leader in developing breakthrough technologies that substantially save energy while advancing the standard of living worldwide. IEE’s award-winning research has been the…

November 14, 2023

Prof. John Bowers' tutorial on heterogenous integration for data center and sensing applications at 2023 IEEE Photonics Society Conference! Please check out the slides below.

November 3, 2023

IEE's 15 Year Anniversary! Celebrating Innovations!

October 22, 2023

The UC Santa Barbara Nanofabrication Facility (Nanofab) is a state-of-the-art cleanroom with more than $60 million in equipment. The Nanofab combines world-class cleanrooms with its expert staff to enable students, faculty, and members from…

October 8, 2023

Our review paper was cited in the Nobel Prize in Chemistry 2023 when they briefly discussed epitaxial dots used in semiconductor lasers as light emitters for optical communication in Reference 68!

September 15, 2023

ECE Prof. John Bowers and his lab researchers have spent several decades advancing photonic integrated circuits (PICs) – and now, with Caltech and Anello photonic colleagues, they have achieved a significant breakthrough. Bowers and the…

August 5, 2023

Photonic integrated circuits are widely used in applications such as telecommunications and data-centre interconnects. However, in optical systems such as microwave synthesizers, optical gyroscopes and atomic clocks, photonic integrated circuits…

July 25, 2023

Frequency-modulated (FM) laser combs, which offer a quasi-continuous-wave output and a flat-topped optical spectrum, are emerging as a promising solution for wavelength-division multiplexing applications, precision metrology, and ultrafast…

July 8, 2023

Integrating quantum dot (QD) gain elements onto Si photonic platforms via direct epitaxial growth is the ultimate solution for realizing on-chip light sources. Tremendous improvements in device performance and reliability have been demonstrated…

Events & Seminars

Eamonn Hughes
November 29, 2023, 10:00 am

Characterizing and Controlling the Impact of Dislocations on the Reliability of InAs Quantum Dot Lasers


Dissertation Defense

Eamonn Hughes

WEDNESDAT, November 29th AT 10:00AM

Dominik Auth, Stefan Breuer, John A. Paulson
Institute of Applied Physics, Technische Universität…
January 31, 2020, 10:00 am

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,…

Dr. Rajeev Ram
Department of Electrical Engineering & Computer Science…
January 28, 2020, 12:00 am

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


H. Shu, L. Chang, C. Lao, B. Shen, W. Xie, X.…
June 12, 2023
R. Koscica, Y. Wan, W. He, M. J. Kennedy, and J.…
May 15, 2023
J. Guo, C. Xiang, T. J. Morin, J. D. Peters, L.…
April 24, 2023