Non-Hermitian degeneracies, also known as exceptional points, have recently emerged as
a new way to engineer the response of open physical systems, that is, those that interact …

The invention of the laser has revolutionized modern science and engineering as well as
our daily lives. Recently, a new class of lasers based on concepts borrowed from parity–time …

We report parity-time (PT) symmetry breaking in electrically injected, coherently coupled,
vertical cavity surface emitting laser arrays. We predict beam steering, mode evolution, and …

The development of single-mode lasers with a high side-mode suppression ratio (SMSR) is
challenging but highly desirable for integrated photonics devices and long-distance …

The synergetic use of gain and loss in parity-time symmetric coupled resonators has been
shown to lead to single-mode lasing operation. However, at the corresponding resonance …

Coupled semiconductor lasers are systems possessing complex dynamics that are
interesting for numerous applications in photonics. In this work, we investigate the existence …

We show the abundance of exceptional points in the generic asymmetric configuration of
two coupled diode lasers, under nonzero optical detuning and differential pumping. We …

Microscale and nanoscale electrically pumped lasers are expected to play an indispensable
role in future photonic integrated circuits. Small footprint, low threshold, high efficiency, and …

Optically coupled semiconductor laser arrays are described by coupled rate equations. The
coupled mode equations and carrier densities are included in the analysis, which inherently …

Coupled nanolasers are of growing interest for on-chip optical computation and data
transmission, which requires an understanding of how lasers interact to form complex …