The rapid development of additive manufacturing has fueled a revolution in various research
fields and industrial applications. Among the myriad of advanced 3D printing techniques …

The growing maturity of nanofabrication has ushered massive sophisticated optical
structures available on a photonic chip. The integration of subwavelength-structured …

Structured light refers to the arbitrarily tailoring of optical fields in all their degrees of freedom
(DoFs), from spatial to temporal. Although orbital angular momentum (OAM) is perhaps the …

Micro/nano functional devices featuring deep integration, intelligence, and miniaturization
have attracted considerable attention in frontier areas of research, such as micro/nano …

Over the past years, broadband achromatic metalenses have been intensively studied due
to their great potential for applications in consumer and industry products. Even though …

Three-dimensional (3D) printing of silica glass is dominated by techniques that rely on
traditional particle sintering. At the nanoscale, this limits their adoption within microsystem …

Microneedle patches have received much interest in the last two decades as drug/vaccine
delivery or fluid sampling systems for diagnostic and monitoring purposes. Microneedles are …

There has been a compelling demand of fabricating high-resolution complex three-
dimensional (3D) structures in nanotechnology. While two-photon lithography (TPL) largely …

The field of 3D micro‐optics is rapidly expanding, and essential advances in femtosecond
laser direct‐write 3D multi‐photon lithography (MPL, also known as two‐photon or multi …

The quadratic optical nonlinearity arising from two-photon absorption provides the crucial
spatial concentration of optical excitation in three-dimensional (3D) laser nanoprinting, with …