(57) ABSTRACT A composite device for splitting photonic functionality across two or more
materials comprises a platform, a chip, and a bond securing the chip to the platform. The …

A method forms a vertical output coupler for a waveguide that propagates light along a
horizontal propagation direction, through a waveguide material that overlies a buried oxide …

A method forms a vertical output coupler for a waveguide, formed of waveguide material and
disposed within a layer stack on a top surface of a wafer. The method includes etching …

A method of fabricating a composite semiconductor structure is provided. Pedestals are
formed in a recess of a first substrate. A second substrate is then placed within the recess in …

A composite photonic device comprises a platform, a chip, and a contact layer. The platform
comprises silicon. The chip is made of a III-V material. The contact layer has indentations to …

A waveguide mode expander couples a smaller optical mode in a semiconductor
waveguide to a larger optical mode in an optical fiber. The waveguide mode expander …

Methods and systems for a low-parasitic silicon high-speed phase modulator are disclosed
and may include fabricating an optical phase modulator that comprises a PN junction …

Stockton LLP (57) ABSTRACT A method for fabricating a composite device comprises
providing a platform, providing a chip, and bonding the chip to the platform. The platform has …

A method of fabricating a waveguide mode expander includes providing a substrate
including a waveguide, bonding a chiplet including multiple optical material layers in a …

A guided light source that comprises: at least one quantum box associated with a discoid
wave guide to achieve cylindrical propagation of a wave front emitted by the at least one …