TOKYO, March 14, 2019 — A multiplexer/demultiplexer module based on an optical vortex, built by scientists at Tokyo Institute of Technology, could be used to strengthen optical networks so they can meet increasingly heavy traffic demands. The multiplexing/demultiplexing module fabricated (a,d) employs a property of light called the optical vortex to transmit and receive multiple signals simultaneously through a shared optical medium. The required light waves with different optical vortexes are generated using a combination of a star coupler (b) and an optical-vortex generator (c). Courtesy of the Optical...Read full articleRelated content from Photonics MediaARTICLESCommemorating 30 Years of Optical VorticesThirty years ago, Pierre Coullet et al. proposed that a special optical field exists in laser cavities bearing some similarity with the superfluid vortex. This observation was the first indicator...Photonics.com 11/6/2019Multidimensional Quantum Communications with Legacy FibersIn a new “twist” on quantum communication using optical fiber, researchers from the University of Witwatersrand (Wits) and Huazhong University of Science and Technology (HUST) have...Photonics.com 1/28/2020New Metahologram Design CreatedA multifunctional meta-hologram design, developed by researchers at Pohang University of Science and Technology (POSTECH), can be used to create different hologram images depending on the direction...Photonics Spectra April 2020 IssueQuantum Secret Sharing Uses Structured Light to Achieve High-Dimensional StatesResearchers at the University of the Witwatersrand (Wits) demonstrated an 11-dimensional quantum state and used it to share sensitive information securely from one sender to 10 parties. They used...Photonics.com 8/10/2020PRODUCTSTransponder/MuxponderThe PL-4000T transponder/muxponder from PacketLight Networks Ltd. delivers any mix of 100-GbE, OTU4 or 400-GbE services over 400-G wavelengths for high-capacity data center interconnects, metro, and...Photonics Spectra March 2021 IssueDirect Attach Copper Cables25G Direct Attach Copper (DAC) Cables from Efylink Technology Co. Ltd. provide connectivity from top-of-rack switches to servers, disk or flash storage, and network appliances. The small-form...Photonics.com 5/11/2020Fiber Optic Connectors and JumpersMTP and MPO fiber optic connectors and jumpers for SINDA Optic Technology Co. Ltd. meet the high-density cabling requirements of data centers. Designed to respond to the increasing demand for...Photonics.com 5/4/2020Hybrid Optical CableThe USB 3.1 Hybrid Active Optical Cable from Intercon 1 provides high data rates and considerable length as a flexible, long-distance solution. 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It is rare...Photonics HandbookConnectors and Splices: Correct Alignment Spells Success: Whether the job is splicing fibers together or connecting fibers to system devices, alignment is the key to success. This article explores the many ways to achieve that goal.Just as an electronic connector provides a pluggable connection between electronic circuits, a fiber optic connector provides an optical one. The goal is joining a fiber to a transmitter, receiver or...Photonics HandbookWHITEPAPERSBall Shaped End CapsIn this paper, general ball shaped end-caps are studied and illustrated. Different ball shaped end-caps were tested and measured for a variety of applications. For example, a 2.2 mm diameter ball...Photonics.com 12/31/2019Hybrid Gain Flattening Filters in Optical Fiber AmplifiersIridian Spectral Technologies has developed what is referred to as a Hybrid GFF, which combines the functionality of both a WDM and the GFF on one component. 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Unique products include various sizes of Fiber Collimators,...Photonics Buyers' GuideLambda Research Optics Inc. (USA)Lambda Research Optics, Inc. is a leading manufacturer of laser optics with high power thin-film coatings and high precision fabrications. Lambda serves a wide range of industries, such as Biotech,...Photonics Buyers' Guide