Publication

A chip-based silicon nitride platform for mid-infrared nonlinear photonics

Tobias Kippenberg, Camille Sophie Brès, Davide Grassani, Michail Zervas, Hairun Guo, Martin Hubert Peter Pfeiffer, Adrien Billat, Clemens Herkommer
2017
Conference Papers

Abstract

We developed a chip-based silicon nitride platform with thick waveguides (> 2 mm) that overcomes the usual fabrication limitation. We demonstrate both microresonator frequency comb generation at 2:5 mm and supercontinuum generation extending beyond 4:0 mm in this platform.

Official source

https://infoscience.epfl.ch/entities/publication/461c26a6-8bec-4ecc-9ba5-4ae4ffdc73f1

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Tobias Kippenberg, Camille Sophie Brès, Davide Grassani, Michail Zervas, Hairun Guo, Martin Hubert Peter Pfeiffer, Adrien Billat, Clemens Herkommer
2017
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/461c26a6-8bec-4ecc-9ba5-4ae4ffdc73f1

About this result

Related concepts (8)

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).

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.

Photonic integrated circuit

A photonic integrated circuit (PIC) or integrated optical circuit is a microchip containing two or more photonic components which form a functioning circuit. This technology detects, generates, transports, and processes light. Photonic integrated circuits utilize photons (or particles of light) as opposed to electrons that are utilized by electronic integrated circuits. The major difference between the two is that a photonic integrated circuit provides functions for information signals imposed on optical wavelengths typically in the visible spectrum or near infrared (850–1650 nm).

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