tag: photonics

Advanced Packaging Moving At Breakneck Pace
By Ed Sperling And Laura Peters - 29 Jan, 2025 - Comments: 0

Experts at the Table: Semiconductor Engineering sat down to discuss advances in packaging with Michael Kelly, vice president of Chiplets and FCBGA Integration at Amkor; William Chen, fellow at ASE; Dick Otte, CEO of Promex Industries; and Sander Roosendaal, R&D director at Synopsys Photonics Solutions. What follows are excerpts of that discussion. L-R: Synopsys' Roosendaal; ASE's Che... » read more

Research Bits: Jan. 28
By Jesse Allen - 28 Jan, 2025 - Comments: 0

Optical memory unit Researchers from Nokia Bell Labs developed a new type of optical memory called a programmable photonic latch that enables temporary data storage in optical processing systems. It is modeled after a set-reset latch. The integrated programmable photonic latch is based on optical universal logic gates using silicon photonic micro-ring modulators and can be implemented in co... » read more

Research Bits: Jan. 7
By Jesse Allen - 07 Jan, 2025 - Comments: 0

Deep UV microLED for maskless lithography Researchers from the Hong Kong University of Science and Technology, Southern University of Science and Technology, and the Suzhou Institute of Nanotechnology developed an aluminum gallium nitride deep-ultraviolet microLED display array for maskless lithography.  They also built a maskless lithography prototype platform. "The team achieved key brea... » read more

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

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