This is the homepage of the Optical Communications and Photonic Networks (OCPN) group at the University of California, Santa Barbara. The group is headed Dr. Daniel J. Blumenthal.


Exploration of on-chip Brillouin amplification in Si by Dr. Blumenthal and associates featured in Nature Photonics – News and Views! Full details details can be found here.


UCSB hosts International Year of Light Symposium. Find out more about the program here.

Year of Light

UCSB Engineering Photonics Spotlight now avaliable! Entire short film found here.

UCSB Photonics Gif

Tunable Laser Diodes and Related Optical Sources ebook now freely available to UC students and personnel through IEEE Xplore digital library. (Library page found here).

Tunable Lasers

50 Meters of Optical Fiber Shrunk to the Size of Microchips

DARPA’s iPhoD program reaches successful conclusion… (read more here).