This paper presents a new design for a 1× 4 optical power splitter using multimode
interference (MMI) coupler in silicon nitride (Si3N4) strip waveguide structures. The main …

Multicolor waveguide holography remains a challenge due to its inherent design complexity,
compounded by the limited low-loss materials available in the optical range as well as …

Material absorption is a key limitation in nanophotonic systems; however, its characterization
is often obscured by scattering and diffraction. Here we show that nanomechanical …

Low-pressure chemical-vapor deposition (LPCVD) thin-film Si/sub 3/N/sub 4/waveguides
have been fabricated on Si substrate within a complementary metal-oxide-semiconductor …

The emerging field of silicon photonics enables the fabrication of on-chip, ultrahigh
bandwidth optical networks which are critical for the future of microelectronics. One of the …

The large refractive index difference between silicon nitride and silicon dioxide allows
silicon nitride/dioxide waveguides to have a small mode size and low radiation bending …

Understanding optical absorption in silicon nitride is crucial for cutting-edge technologies
like photonic integrated circuits, nanomechanical photothermal infrared sensing and …

The aim of this paper is to present the extension of the discrete mode matching (DMM)
method to analyze multilayered microwave structures with inhomogeneous dielectric layers …

One major challenge for high sensitivity and gain AlGaN heterostructure solar-blind
avalanche photodiodes (APD) is visible rejection and ultraviolet (UV) absorption. In this …

Planar silicon dioxide optical waveguides were deposited by use of a plasma-activated
reactive evaporation system, at a low deposition temperature and with reduced hydrogen …