Graphene oxide (GO) was initially developed to emulate graphene, but it was soon
recognized as a functional material in its own right, addressing an application space that is …

Integrated photonic devices operating via optical nonlinearities offer a powerful solution for
all‐optical information processing, yielding processing speeds that are well beyond that of …

Second-harmonic generation is of paramount importance in several fields of science and
technology, including frequency conversion, self-referencing of frequency combs, nonlinear …

Second harmonic generation (SHG) as an essential nonlinear optical effect, has gradually
shifted its research trend toward the integration and miniaturization of photonic and …

Photonic integrated circuits (PICs) based on lithographically patterned waveguides provide
a scalable approach for manipulating photonic bits, enabling seminal demonstrations of a …

The realization of gigahertz bandwidth modulators out of silicon-based technology in the
early 2000s marked a cornerstone of silicon photonics development. While modulation …

Second-order nonlinear optical processes lie at the heart of many applications in both
classical and quantum regimes,–. Inversion symmetry, however, rules out the second-order …

The ability to process optical signals without passing into the electrical domain has always
attracted the attention of the research community. Processing photons by photons unfolds …

Recent technological advances in integrated photonics have spurred on the study of
topological phenomena in engineered bosonic systems. Indeed, the controllability of silicon …

The symmetry of crystalline silicon inhibits a second-order optical nonlinear susceptibility, χ
(2), in complementary metal–oxide–semiconductor-compatible silicon photonic platforms …