In one example, an electronic device, comprises a first substrate comprising a first conductive structure, a second substrate comprising a second conductive structure, wherein the first substrate is over the second substrate, a first electronic component between the first substrate and the second substrate, a vertical interconnect between the first substrate and the second substrate, wherein the vertical interconnect is coupled with the first conductive structure and the second conductive structure, and an encapsulant between the first substrate and the second substrate and covering the vertical interconnect. A vertical port on the first electronic component is exposed by an aperture of the first substrate. Other examples and related methods are also disclosed herein.

A method and a high-frequency module that includes a high frequency die that may include multiple die pads; a substrate that may include a first buildup layer, a second buildup layer and a core that is positioned between the first buildup layer and a second buildup layer; a line card that may include multiple line card pads; and multiple conductors that pass through the substrate without reaching a majority of a depth of the core, and couple the multiple die pads to the multiple line card pads.

In an example, a communication module such as an optoelectronic communication module may include an integrated circuit (IC), an electrical interconnect, and an interposer circuit. The electrical interconnect may include a radio frequency (RF) interconnect or a direct current (DC) interconnect. The interposer circuit may be electrically coupled between the IC and the electrical interconnect.

A method and a high-frequency module that includes a high frequency die that may include multiple die pads; a substrate that may include a first buildup layer, a second buildup layer and a core that is positioned between the first buildup layer and a second buildup layer; a line card that may include multiple line card pads; and multiple conductors that pass through the substrate without reaching a majority of a depth of the core, and couple the multiple die pads to the multiple line card pads.

A terahertz device includes a terahertz element, a sealing resin, a wiring layer and a frame-shaped member. The terahertz element that performs conversion between terahertz waves and electric energy. The terahertz element has an element front surface and an element back surface spaced apart from each other in a first direction. The sealing resin covers the terahertz element. The wiring layer is electrically connected to the terahertz element. A frame-shaped member is made of a conductive material and arranged around the terahertz element as viewed in the first direction. The frame-shaped member has a reflective surface capable of reflecting the terahertz waves.

A wireless access point is disclosed. The wireless access point includes a substrate, an antenna structure disposed on the substrate and configured to transmit and receive wireless electromagnetic communication signals, and a fiber-optic interface disposed on the substrate and communicatively coupled to the antenna structure and a fiber-optic cable. The fiber-optic interface is configured to transmit and receive optical communication signals through the fiber-optic cable.

A semiconductor optical device includes: a laser for emitting light; a modulator for modulating the light using an electroabsorption effect; a chip capacitor that is electrically connected in parallel to the laser; a chip inductor that is electrically connected in series to the chip capacitor, is electrically connected in series to the laser and the chip capacitor as a whole, and includes a first terminal and a second terminal; a solder or a conductive adhesive that directly bonds the first terminal of the chip inductor and the chip capacitor to each other; an electrical wiring group in which the laser, the modulator, the chip capacitor, and the chip inductor are electrically connected to each other; and a substrate on which the laser, the modulator, the chip capacitor, and the chip inductor are mounted.

A radio-frequency three-dimensional electronic-photonic integrated circuit (RF 3D EPIC) comprises a radio-frequency (RF) photonic integrated circuit (PIC) layer, the RF PIC layer comprising, in a single integrated circuit, at least one RF antenna and at least one photonic device coupling the RF antenna to an optical interface, and further comprises an electronic-photonic integrated circuit (EPIC) assembly optically coupled to the optical interface of the RF PIC layer, the EPIC assembly comprising two or more integrated-circuit dies bonded to one another so as to form a die stack, wherein at least one of the two or more integrated-circuit dies comprises one or more integrated photonic devices and wherein each of the two or more integrated-circuit dies is electrically connected to at least one other integrated-circuit die via an electrically conductive through-wafer interconnect or an electrically conductive through-wafer via.

A method and a high-frequency module that includes a high frequency die that may include multiple die pads; a substrate that may include a first buildup layer, a second buildup layer and a core that is positioned between the first buildup layer and a second buildup layer; a line card that may include multiple line card pads; and multiple conductors that pass through the substrate without reaching a majority of a depth of the core, and couple the multiple die pads to the multiple line card pads.

Embodiments include interposers for use in high speed applications. In an embodiment, the interposer comprises an interposer substrate, and an array of pads on a first surface of the interposer substrate. In an embodiment, a plurality of vias pass through the interposer substrate, where each via is electrically coupled to one of the pads in the array of pads. In an embodiment a plurality of heating elements are embedded in the interposer substrate. In an embodiment a first cable is over the first surface interposer substrate. In an embodiment, the first cable comprises an array of conductive lines along the first cable, where conductive lines proximate to a first end of the cable are electrically coupled to pads in the array of pads.