tag: silicon photonics

RF General-Purpose Photonic Processor
By Technical Paper Link - 17 Apr, 2024 - Comments: 0

A new technical paper titled "General-purpose programmable photonic processor for advanced radiofrequency applications" was published by researchers at Universitat Politècnica de València and iPronics. Abstract "A general-purpose photonic processor can be built integrating a silicon photonic programmable core in a technology stack comprising an electronic monitoring and controlling layer ... » read more

Fabrication Of Vertical-Taper Structures For Silicon Photonic Devices By Using Local-Thickness-Thinning Process
By Advantest - 09 Apr, 2024 - Comments: 0

Authors: Shunsuke Abe, Hideo Hara, Shin Masuda, and Hirohito Yamada. This paper describes a simple fabrication process of verticaltaper structures which can locally tune the thickness of silicon photonic devices. For low-loss spot-size conversion, taper angles less than 10° are required. To fabricate the gradual-slope shape of the vertical tapers, we have developed a step-andexposure lithog... » read more

Hybrid All-Optical Switching Devices Combining Silicon Nanocavities And 2D Semiconductor Material
By Technical Paper Link - 02 Apr, 2024 - Comments: 0

A new technical paper titled "Hybrid silicon all-optical switching devices integrated with two-dimensional material" was published by researchers at RIKEN, National Institute of Advanced Industrial Science and Technology (AIST), and Keio University. Abstract "We propose and demonstrate hybrid all-optical switching devices that combine silicon nanocavities and two-dimensional semiconduct... » read more

The Challenges Of Working With Photonics
By Karen Heyman - 01 Apr, 2024 - Comments: 0

Experts at the Table: Semiconductor Engineering sat down to talk about where photonics is most useful — and most vulnerable — with James Pond, fellow at Ansys; Gilles Lamant, distinguished engineer at Cadence; and Mitch Heins, business development manager for photonic solutions at Synopsys. What follows are excerpts of that conversation. To view part one of this discussion, click here. ... » read more

Silicon Photonics Manufacturing Ramps Up
By Gregory Haley - 21 Mar, 2024 - Comments: 0

Circuit scaling is starting to hit a wall as the laws of physics clash with exponential increases in the volume of data, forcing chipmakers to take a much closer look at silicon photonics as a way of moving data from where it is collected to where it is processed and stored. The laws of physics are immutable. Put simply, there are limits to how fast an electron can travel through copper. The... » read more

Photonics: The Former And Future Solution
By Karen Heyman - 14 Mar, 2024 - Comments: 0

Experts at the Table: Semiconductor Engineering sat down to talk about where photonics is in the hype cycle and its secure role in data centers, with James Pond, fellow at Ansys; Gilles Lamant, distinguished engineer at Cadence; and Mitch Heins, business development manager for photonic solutions at Synopsys. What follows are excerpts of that conversation. [L-R]: Ansys’ Pond, Cadence�... » read more

Directly Writing and Rewriting Photonic Chips on Low-Loss Phase-Change Thin Films
By Technical Paper Link - 15 Feb, 2024 - Comments: 0

A technical paper titled “Freeform direct-write and rewritable photonic integrated circuits in phase-change thin films” was published by researchers at University of Washington, University of Maryland, and Tianjin University. Abstract: "Photonic integrated circuits (PICs) with rapid prototyping and reprogramming capabilities promise revolutionary impacts on a plethora of photonic technolo... » read more

Shedding More Light On Photonics For Multi-Die Systems
By Kenneth Larsen - 21 Dec, 2023 - Comments: 0

By Kenneth Larsen and Twan Korthorst Photonics harness the speed of light for fast, low-power, high-capacity data transfer. A tremendous amount of data needs to be moved swiftly across different components in a multi-die system. Considering this, exploiting the advantages of light is one way to mitigate heat dissipation and energy consumption concerns while delivering fast data transmission.... » read more

Lego-Like Photonics Chip With Expanded RF Bandwidth And Advanced Filter Control
By Technical Paper Link - 05 Dec, 2023 - Comments: 0

A technical paper titled “Integrated microwave photonic notch filter using a heterogeneously integrated Brillouin and active-silicon photonic circuit” was published by researchers at University of Sydney and Australian National University. Abstract: "Microwave photonics (MWP) has unlocked a new paradigm for Radio Frequency (RF) signal processing by harnessing the inherent broadband and tu... » read more

Front-end patterning and epitaxy approach on Si photonics 220nm SOI substrates
By Technical Paper Link - 29 Nov, 2023 - Comments: 0

A new technical paper titled "Lateral Tunnel Epitaxy of GaAs in Lithographically Defined Cavities on 220 nm Silicon-on-Insulator" was published by researchers at Cardiff University and University of Southampton. Abstract "Current heterogeneous Si photonics usually bond III–V wafers/dies on a silicon-on-insulator (SOI) substrate in a back-end process, whereas monolithic integration by di... » read more

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