In this paper, we review the progress of wide tunable Bragg grating external cavity
semiconductor lasers (BG-ECSLs). We concentrate on BG-ECSLs based on the wide …

Photonic moiré lattices offer an attractive platform for manipulating the flow and confinement
of light from remarkably simple device geometries. This emerging field draws inspiration …

We propose an on-chip mode converter via two cascaded Bragg reflection processes. A
forward conversion between two guided modes can be achieved with the aid of an …

Large-scale hierarchical macroscopic moire gratings resembling the surface structure of
Peruvian lily flower petals are fabricated on azobenzene molecular glass thin films using a …

In this mymargin letter, we experimentally demonstrated a 1550-nm high-power single-
longitudinal-mode (SLM) distributed feedback (DFB) semiconductor laser based on sampled …

Integrated-optic cavity resonators, such as Fabry–Perot microcavities and microrings, are
key building blocks of photonics integrated circuits and are used extensively in applications …

We propose a new kind of distributed feedback (DFB) semiconductor laser based on the
sampled Moiré grating (SMG) integrated with a grating reflector (GR). Coupling coefficient …

A compact cascaded tunable distributed feedback semiconductor laser is proposed and
theoretically analyzed. Each laser section (LS) is formed by two adjacent grating sections …

We have developed a series of dual-wavelength DFB lasers (DWLs) based on different
sidewall grating designs. These include DWLs utilizing uniform Bragg gratings (UBG) …

We propose and theoretically analyze a hybrid transverse mode resonance DFB
semiconductor laser which consists of one active section with π-phase shifted anti …