Nature Photonics-Phase-locked laser arrays

Phase-locked laser arrays through global antenna mutual coupling

Tsung-Yu Kao, John L. Reno& Qing Hu
1.Department of Electrical Engineering and Computer Science and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
Tsung-Yu Kao &Qing Hu
2.LongWave Photonics LLC, Mountain View, California 94043, USA
Tsung-Yu Kao
3.Sandia National Laboratories, Center of Integrated Nanotechnologies, MS 1303, Albuquerque, New Mexico 87185-130, USA
John L. Reno
DOI:10.1038/nphoton.2016.104
© 2016 Macmillan Publishers Limited, part of Springer Nature. All rights reserved.

A new approach to laser design utilizing a conceptually novel phase-locking mechanism based on "antenna mutual coupling" where different laser elements interact with each other through far-field radiations with definite phase relations.

IMAGE: D. LIU, T.-Y. KAO AND Q. HU

COVER DESIGN: BETHANY VUKOMANOVIC