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This document explains the **Double Nested Antiresonant Nodeless Fiber (DNANF)** cable technology. The innovation is a fiber spinning-based method that produces DNANF cables with significantly lower Polarization Mode Dispersion (PMD). The core visual shows the "Spun DNANF cable" being integrated into a "Stranded loose tube air-blown micro cable (GCYFY)." The resulting features, ideal for high-speed, long-distance, and low-latency optical communication systems, are detailed below.

Low Polarization Mode Dispersion Double Nested Antiresonant Nodeless Fiber Cable by Fiber Spinning

Journal of Lightwave Technology
A new fiber design using hollow-core geometry and controlled spinning drastically reduces signal distortion from polarization effects. This development paves the way for more reliable, long-distance optical communication.
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This diagram illustrates the schematic of the integrated III-V/Silicon C-Band Laser. The design focuses on combining high-performance III-V materials (for light generation) with scalable Silicon (Si) waveguides (for light routing and control).

Heterogeneously integrated III-V/Silicon C-band tunable lasers on 300-mm silicon photonic wafers

Photonics Technology Letters
A breakthrough in silicon photonics: Researchers have developed a highly tunable III-V/Silicon C-Band laser, integrated directly on-chip! The laser, capable of emitting spectrally pure light in the 1510 nanometer to 1570 nanometer range can pave the way for scalable photonics of the future.
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Diagram of a Photonic-Electronic Computing Core (PECC) showing a Photonic-Electronic Tensor Core (PETC) grid connected to Transmit (Tx) and Receive (Rx) modules, alongside optical components like a 90° hybrid for real/imaginary signal splitting and a DEMUX/MUX system. The core achieves >90% accuracy and >5 bit precision at 32 GOPS, and is scalable using wavelength division multiplexing and crossbar arrays.

Coherent-Lightning: A Photonic-Electronic AI Accelerator Facilitating Dynamic Real/Complex-Valued Matrix Multiplication

Journal of Lightwave Technology
A new hybrid AI accelerator combines photonics and electronics to perform real and complex-valued matrix operations dynamically, offering a scalable solution for advanced computing tasks.
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Infographic showing a runner and a coiled fiber being injected, detailing the four properties of super-stretchable liquid-core optical fibers: 1000% deformation, low optical loss (0.23 dB/cm), over 100 stretch cycles durability, and broad sensing range for wearable health monitoring.

Super-Stretchable Liquid-Core Optical Fibers for Human Physiological Monitoring

Journal of Lightwave Technology
New optical fiber designed for wearable sensing! This study presents a stretchable liquid-core fiber that maintains strong optical performance under extreme deformation, enabling real-time monitoring of movement and pulse.
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Research News Stories

Resolving the Buildup Dynamics of Harmonically Mode-Locked Mamyshev Oscillator (JLT)

Resolving the Buildup Dynamics of Harmonically Mode-Locked Mamyshev Oscillator

Journal of Lightwave Technology
Mamyshev oscillators (MOs) can emit high energy pulses using a laser generation technique known as harmonic mode-locking (HML). While MO employing HML has several advanced applications in varied fields, the physics behind their operation is not well-understood. In a recent breakthrough, researchers have examined the light buildup dynamics inside a MO. They found that this process is distinct from conventional pulse splittingeffect, widely thought to underlie laser emission in MOs.
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Video Short

Experimental Demonstration of Superimposed Data Transmission in Rolling Shutter Based Visible Light Communication (PJ)

Experimental Demonstration of Superimposed Data Transmission in Rolling Shutter Based Visible Light Communication

Photonics Journal
A new approach to visible light communication uses superimposed signals and rolling shutter detection to increase data throughput. This method supports simultaneous multi-user transmission using standard camera sensors.
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