Orbital angular momentum (OAM), one of the most recently discovered degrees of freedom
of light beam field has fundamentally revolutionized optical physics and its technological …

We experimentally demonstrated a high-order optical vortex pulsed laser based on a mode
selective all-fiber fused coupler composed of a single-mode fiber (SMF) and a few-mode …

The burgeoning advances of spatial mode conversion in few-mode fibers emerge as the
investigative hotspot in novel structured light manipulation, in that, high-order modes …

Orbital angular momentum beam excitation through direct phase-matched coupling is
experimentally demonstrated using an all-fiber weakly fused mode selective coupler …

We report an all-fiber mode division multiplexer formed with cascaded mode selective
couplers with significantly broadened bandwidth potentially spanning S, C and L band. This …

We demonstrated the fabrication of bandwidth tunable ultra-broadband mode converters
based on CO_2-laser inscribed long-period fiber gratings (LPFGs) and helical long-period …

We propose and demonstrate an all-fiber passively mode-locked laser with a figure-8 cavity,
which generates pulsed cylindrical vector beam output based on a mode selective coupler …

Pulsed polarized vortex beams, a special form of structured light, are generated by tailoring
the light beam spatiotemporally and witness the growing application demands in nonlinear …

An all-fiber orbital angular momentum (OAM) generator enabling direct turning of the
fundamental mode (\rmHE_11 HE_11) to the second OAM modes (l=±2 l=±2) with an …

Cylindrical vector beams (CVBs) with axial symmetry in both polarization and field intensity
have attracted much attention because of their unique optical properties. Conventional …