Publication

Electro-optic Modulation in Amorphous Silicon Nitride Photonic Integrated Platforms [invited]

2025

Abstract

Electro-optic modulation is a key functionality for compact photonic integrated circuits. Linear electro-optic modulation has been lacking in amorphous photonic platforms like silicon nitride due to the absence of intrinsic second-order nonlinearities. Electrical poling by thermal or optical assistance as well as heterogeneous integration of hybrid devices is under development to unlock electro-optic capabilities on silicon nitride platforms. This paper provides an overview of methodologies reported in the literature for achieving linear electro-optic modulation in integrated amorphous structures. (c) 2025 Optica Publishing Group. All rights, including for text and data mining (TDM), Artificial Intelligence (AI) training, and similar technologies, are reserved.

Official source

https://infoscience.epfl.ch/entities/publication/4c31efb8-3628-420b-bb21-f9cf7ba5999a

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2025

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/4c31efb8-3628-420b-bb21-f9cf7ba5999a

About this result

Related concepts (32)

Silicon nitride

Silicon nitride is a chemical compound of the elements silicon and nitrogen. Si3N4 (Trisilicon tetranitride) is the most thermodynamically stable and commercially important of the silicon nitrides, and the term ′′Silicon nitride′′ commonly refers to this specific composition. It is a white, high-melting-point solid that is relatively chemically inert, being attacked by dilute HF and hot H3PO4. It is very hard (8.5 on the mohs scale). It has a high thermal stability with strong optical nonlinearities for all-optical applications.

Silicon carbide

Silicon carbide (SiC), also known as carborundum (ˌkɑrbəˈrʌndəm), is a hard chemical compound containing silicon and carbon. A semiconductor, it occurs in nature as the extremely rare mineral moissanite, but has been mass-produced as a powder and crystal since 1893 for use as an abrasive. Grains of silicon carbide can be bonded together by sintering to form very hard ceramics that are widely used in applications requiring high endurance, such as car brakes, car clutches and ceramic plates in bulletproof vests.

Silicon photonics

Silicon photonics is the study and application of photonic systems which use silicon as an optical medium. The silicon is usually patterned with sub-micrometre precision, into microphotonic components. These operate in the infrared, most commonly at the 1.55 micrometre wavelength used by most fiber optic telecommunication systems. The silicon typically lies on top of a layer of silica in what (by analogy with a similar construction in microelectronics) is known as silicon on insulator (SOI).

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Electro-optic Modulation in Amorphous Silicon Nitride Photonic Integrated Platforms [invited]

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