tag: integrated photonics

Proof-of-Concept On-Chip Flow Cytometer Using Integrated Photonics (imec, Sarcura)
By Technical Paper Link - 21 May, 2024 - Comments: 0

A new technical paper titled "On-chip flow cytometer using integrated photonics for the detection of human leukocytes" was published by researchers at imec and Sarcura GmbH. Abstract "Differentiation between leukocyte subtypes like monocytes and lymphocytes is essential for cell therapy and research applications. To guarantee the cost-effective delivery of functional cells in cell therapies... » read more

Quantum Light Source Fully Integrated On A Chip
By Technical Paper Link - 20 Apr, 2023 - Comments: 0

A new technical paper titled "Quantum light source goes fully on-chip, bringing scalability to the quantum cloud" was published by researchers at Leibniz University Hannover, University of Twente and QuiX Quantum. Abstract: "Integrated photonics has recently become a leading platform for the realization and processing of optical entangled quantum states in compact, robust and scalable chip ... » read more

New Class of Electrically Driven Optical Nonvolatile Memory
By Technical Paper Link - 26 Oct, 2022 - Comments: 0

A new technical paper titled "Electrical Programmable Multi-Level Non-volatile Photonic Random-Access Memory" was published by researchers at George Washington University, Optelligence, MIT, and the University of Central Florida. Researchers demonstrate "a multi-state electrically-programmed low-loss non-volatile photonic memory based on a broadband transparent phase change material (Ge2Sb2S... » read more

More Efficient On-Chip Laser Frequency Comb (Harvard)
By Technical Paper Link - 15 Sep, 2022 - Comments: 0

A new technical paper titled "High-efficiency and broadband on-chip electro-optic frequency comb generators" was published by researchers at Harvard, Stanford, Caltech, and Hyperlight. The research claims the electro-optic frequency device is 100% more efficient and has 2X the bandwidth of previous technology.    According to Harvard's news release, "the latest research applies the two con... » read more

Two Chip-Scale Photonic Systems For Optical Data Transmission & Microwave Photonics
By Technical Paper Link - 21 May, 2022 - Comments: 0

New research paper "Microcomb-driven silicon photonic systems" from Peking University, UCSB, and Peng Cheng Laboratory. Abstract "Microcombs have sparked a surge of applications over the past decade, ranging from optical communications to metrology. Despite their diverse deployment, most microcomb-based systems rely on a large amount of bulky elements and equipment to fulfil their desir... » read more

Silicon Thermo-Optic Switches with Graphene Heaters Operating at Mid-Infrared Waveband
By Technical Paper Link - 30 Mar, 2022 - Comments: 0

Abstract "The mid-infrared (MIR, 2–20 μm) waveband is of great interest for integrated photonics in many applications such as on-chip spectroscopic chemical sensing, and optical communication. Thermo-optic switches are essential to large-scale integrated photonic circuits at MIR wavebands. However, current technologies require a thick cladding layer, high driving voltages or may introduce h... » read more

Power/Performance Bits: Feb. 7
By Jesse Allen - 07 Feb, 2022 - Comments: 0

Stopping interference in integrated photonics Researchers at EPFL and Purdue University combined integrated photonics and MEMS to develop an electrically driven optical isolator-on-a-chip that transmits light in only one direction. Optical isolators are useful to prevent reflected light from other components compromising or interfering with an on-chip laser’s performance. They are often c... » read more

Chipmakers Getting Serious About Integrated Photonics
By Brian Bailey - 12 Jul, 2021 - Comments: 3

Integrating photonics into semiconductors is gaining traction, particularly in heterogeneous multi-die packages, as chipmakers search for new ways to overcome power limitations and deal with increasing volumes of data. Power has been a growing concern since the end of Dennard scaling, which happened somewhere around the 90nm node. There are more transistors per mm², and the wires are thinne... » read more

Power/Performance Bits: Sept. 15
By Jesse Allen - 15 Sep, 2020 - Comments: 0

Higher-res lidar Researchers from Purdue University and École Polytechnique Fédérale de Lausanne (EPFL) devised a way to improve lidar and provide higher-resolution detection of nearby fast-moving objects through mechanical control and modulation of light on a silicon chip. "Frequency modulated continuous wave" (FMCW) lidar detects objects by scanning laser light from the top of a vehicl... » read more

Power/Performance Bits: Sept. 9
By Jesse Allen - 09 Sep, 2020 - Comments: 0

Smaller, cheaper integrated photonics Researchers from the University of California Santa Barbara, California Institute of Technology (Caltech), and Ecole Polytechnique Fédérale de Lausanne (EPFL) developed a way to integrate an optical frequency comb on a silicon photonic chip. Optical frequency combs are collections of equally spaced frequencies of laser light (so called because when pl... » read more

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