Science Foundation Ireland

CONNECT researchers publish OFC breakthrough in Nature Comms

CONNECT researchers Aleksandra Kaszubowska Anandarajah in Trinity College Dublin, and Prince Anandarajah and Prajwal D. Lakshmijayasimha in Dublin City University have published a paper in Nature Communications which reports the successful combination of two Optical Frequency Combs.

The breakthrough is significant as it will enable chip-scale microcombs with record-low energy consumption. These can be used in several areas including optical metrology, high-frequency electrical signal generation, optical atomic clocks, and high-precision spectroscopy.

This is the first time a gain-switched comb was used to pump a microcomb, reducing the optical pump power threshold by one order of magnitude, to a record-low level of a few milliwatts.

Read the paper here.

Optical Frequency Combs are used in a variety of applications such as transmitters in optical telecommunications, sensors for explosives or dangerous gases, and LiDAR for robotics and autonomous cars.

CONNECT is the world leading Science Foundation Ireland Research Centre for Future Networks and Communications. CONNECT is funded under the Science Foundation Ireland Research Centres Programme and is co-funded under the European Regional Development Fund. We engage with over 35 companies including large multinationals, SMEs and start-ups. CONNECT brings together world-class expertise from ten Irish academic institutes to create a one-stop-shop for telecommunications research, development and innovation.