tag: photonics

Research Bits: Dec. 11
By Jesse Allen - 11 Dec, 2024 - Comments: 0

Photonic AI processor Researchers from Massachusetts Institute of Technology (MIT), Enosemi, and Periplous developed a fully integrated photonic processor that can perform all the key computations of a deep neural network optically on the chip. The chip is fabricated using commercial foundry processes and uses three layers of devices that perform linear and nonlinear operations. A particula... » read more

Two Silicon Switches Driven Both Thermally and Electrically With Ultra-Low-Crosstalk (Cambridge)
By Technical Paper Link - 06 Nov, 2024 - Comments: 0

A new technical paper titled "Ultra-low-crosstalk Silicon Switches Driven Thermally and Electrically" was published by researchers at University of Cambridge and GlitterinTech Limited. Abstract "Silicon photonic switches are widely considered as a cost-effective solution for addressing the ever-growing data traffic in datacenter networks, as they offer unique advantages such as low power co... » read more

Research Bits: Nov. 5
By Jesse Allen - 05 Nov, 2024 - Comments: 0

Optical in-memory computing Researchers from the University of Pittsburgh, University of California Santa Barbara, University of Cagliari, and Institute of Science Tokyo propose a resonance-based photonic architecture which leverages the non-reciprocal phase shift in magneto-optical materials to implement photonic in-memory computing. “The materials we use in developing these cells have b... » read more

New Approach to Encoding Optical Weights for In-Memory Photonic Computing Using Magneto-Optic Memory Cells
By Technical Paper Link - 23 Oct, 2024 - Comments: 0

A new technical paper titled "Integrated non-reciprocal magneto-optics with ultra-high endurance for photonic in-memory computing" was published by researchers at UC Santa Barbara, University of Cagliari, University of Pittsburgh, AIST and Tokyo Institute of Technology. Abstract "Processing information in the optical domain promises advantages in both speed and energy efficiency over existi... » read more

Chiplet-Level HI of Polymer-Based Circuits For Fabricating Flexible Electronic-Photonic Integrated Devices
By Technical Paper Link - 09 Oct, 2024 - Comments: 0

A technical paper titled "Flexible electronic-photonic 3D integration from ultrathin polymer chiplets" was published by researchers at Dartmouth College and Boston University. The paper states: "Here, we present a robust chiplet-level heterogeneous integration of polymer-based circuits (CHIP), where ultrathin polymer electronic and optoelectronic chiplets are vertically bonded at room tempe... » read more

Research Bits: Oct. 8
By Liz Allan - 08 Oct, 2024 - Comments: 0

Soft, flexible polymer semiconductors Stanford University materials scientists used a specialized electron microscope – cryo-electron microscopy (Cryo 4D-STEM) – to explore the microstructure of soft semiconductors that could lead to new-generation electronics. Organic mixed ionic-electronic conductors (OMIECs) are soft, flexible polymer semiconductors with promising electrochemical qua... » read more

Photonics Could Reduce The Cost Of Lidar
By Karen Heyman - 05 Sep, 2024 - Comments: 0

Using light to move data over shorter distances is becoming more common, both because there is much more data to move around and because photons are faster and cooler than electrons. Using optical fiber for mission-critical communication is already well established. It has been the preferred PHY for long-haul communications for decades because it doesn’t suffer from the attenuation losses ... » read more

Step Towards 3D PICs: Low Loss Fiber-Coupled Interconnects (UIUC)
By Technical Paper Link - 16 Jul, 2024 - Comments: 0

A new technical paper titled "Low loss fiber-coupled volumetric interconnects fabricated via direct laser writing" was published by researchers at University of Illinois Urbana-Champaign (UIUC). Abstract "Photonic integrated circuits (PICs) are vital for high-speed data transmission. However, optical routing is limited in PICs composed of only one or a few stacked planes. Further, coupling ... » read more

New Way To Transmit Light Signals Through A Chip (NIST)
By Technical Paper Link - 26 Jun, 2024 - Comments: 0

A technical paper titled “Bound-state-in-continuum guided modes in a multilayer electro-optically active photonic integrated circuit platform” was published by researchers at the National Institute of Standards and Technology (NIST), University of Maryland, and Theiss Research. Abstract: "In many physical systems, the interaction with an open environment leads to energy dissipation and re... » read more

Research Bits: May 21
By Jesse Allen - 21 May, 2024 - Comments: 0

Lithium tantalate PICs Researchers at EPFL and Shanghai Institute of Microsystem and Information Technology developed scalable photonic integrated circuits (PICs) based on lithium tantalate (LiTaO3). Lithium tantalate can provide excellent electro-optic qualities and is used in telecom 5G RF filters. The team developed a wafer-bonding method for lithium tantalate, which is compatible with s... » read more

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