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 proliferation of Internet-of-Things has promoted a wide variety of emerging applications
that require compact, lightweight, and low-cost optical spectrometers. While substantial …

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 …

Since the pioneering work of Kawata and colleagues in 1997, multi‐photon 3D laser
printing, also known as direct laser writing, has made significant advancements in a wide …

Minimally invasive endoscopes are indispensable in biomedicine. Coherent fiber bundles
(CFBs) enable ultrathin lensless endoscopes. However, the propagation of light through a …

Broadband near‐infrared (NIR) phosphor‐converted light‐emitting diodes (pc‐LEDs) are
recently regarded as the next‐generation smart light sources for miniaturized optical …

Atomic and close-to-atom scale manufacturing is a promising avenue toward single-photon
emitters, single-electron transistors, single-atom memory, and quantum-bit devices for future …

<? TeX 2pc 0pt?> The ambition of this review is to provide an up-to-date synopsis of the
state of 3D printing technology for optical and photonic components, to gauge technological …

Lasing performance of solution-processed perovskite thin films is strictly limited by the out-of-
plane scattering losses due to the wide intergrain spacings and quick nonradiative …

The appearance of the first laser approximately 12 years after the invention of holography by
Gabor (1948) revolutionized the field of optical metrology. In fact, the invention of …