Metamaterials with an effective zero refractive index associated with their electromagnetic
response are sought for a number of applications in communications and nonlinear optics. A …

Rapid advances in high‐resolution chip lithography have accelerated nanophotonic device
development on the silicon‐on‐insulator (SOI) platform. The ability to create sub …

Bound states in the continuum (BICs) are waves that remain localized even though they
coexist with a continuous spectrum of radiating waves that can carry energy away. Their very …

Metamaterials with a refractive index of zero exhibit properties that are important for
integrated optics. Possessing an infinite effective wavelength and zero spatial phase …

We demonstrate silicon waveguides that support phase-free propagation in the telecom
regime. These waveguides have smaller footprints and exhibit improved energy transfer …

Zero-index materials exhibit exotic optical properties that can be utilized for integrated-optics
applications. However, practical implementation requires compatibility with complementary …

We present a novel type of erbium-doped silicon onchip 1550-nm C-band laser based on
the three-dimensional (3-D) zero-index material or ZIM laser. The underlying lasing physics …

We present a novel type of silicon on-chip 1550-nm C-band erbium laser based on the 3D
zero-index material of bound state in continuum or ZIM-BiC laser. The underlying lasing …

An hour of sunlight can satisfy global power consumption for a year, yet solar energy
contributes to only 2% of electricity generation. This gap is due to the high price per watt of …

This thesis explores scalable nanophotonic devices in integrated, CMOS-compatible
platforms. Our investigation focuses on two main projects: studying the material properties of …