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Fiber laser & Cutting Head Packages Enhance Laser Cutting

The Rise of Integrated Fiber Laser and Cutting Head Packages.

Scientific Lasers Shine in Glasgow

The Coherent Ultrafast Center of Excellence is a hub for innovation in ultrafast technology.

Quantum Leap in Randomness for Advanced Secure Encryption Solutions

Leveraging quantum randomness and advanced photonics, next-generation encryption solutions are delivered to defend against evolving cyber threats and safeguard data with unparalleled security.

Fusion Moves Forward

Coherent photonic components play a key role in advancing inertial confinement fusion research and commercialization.

Improving Hairpin Welding

Combining sealed CO₂ and UV solid-state lasers delivers optimum weld quality.

This Time, Less Really Is More for Laser Process Monitoring

SmartQD fiber optic cable integrates sensing capabilities directly into the industry proven QD fiber connector, eliminating the need for external optical components, adapters, and sensor boxes.

From Innovation to Application: Optical Filters in Life Sciences

Every component counts in life science innovation. Custom optical filters provide performance, compactness, and quick-turn solutions, empowering developers to overcome design challenges and bring next-generation medical instruments to market faster.

Deep Copper Laser Welding: Helping to Carry the Loads of Our Electrified Future

Carrying the load of our electrified future with deep copper welding.

Simplify DCI Applications with Coherent POLS

Discover how POLS from Coherent transforms data centers with significant space savings, 95% lower power usage, and 20% of the cost.

CO₂ Lasers at 60 – Still Alive & Kicking

Compact, efficient CO₂ lasers process plastics, organics, glass, and more.

Supplier Resilience in a Dynamic Environment

Supply chain resilience in optical communication: ensuring reliable delivery and competitive advantage in any business climate.

6″ InP Capability Bringing Unprecedented Scale to Photonics

Coherent introduces world’s first 6-inch InP scalable wafer fabs for high-speed semiconductors and beyond.

The World's First 6-inch InP Scalable Wafer Fabs

Press Releases

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Coherent Expands Powermax™ Line With PM15K+ High-Power Laser Sensor and New Backscatter Shield for PM10K+

June 16, 2025. Coherent announced the expansion of its industry-leading PowerMax™ sensor portfolio with two new innovations: the PM15K+ high-power laser sensor and a new backscatter shield option for the PM10K+.

Coherent Launches Best-in-Class 18W 880 nm Single-Emitter Laser Diode for High-Performance DPSS Systems

June 13, 2025. Coherent launches the SES18-880A-190-10, a high-power 880 nm single-emitter laser diode on sub mount, designed specifically for high-efficiency, high-reliability pumping of diode-pumped solid-state (DPSS) lasers.

Coherent Introduces Breakthrough Diamond-Silicon Carbide Material for Next Generation Thermal Management in AI and High- Performance Computing

June 12, 2025. Coherent announces the release of a groundbreaking diamond-loaded silicon carbide (SiC) ceramic composite, designed to tackle the thermal challenges of advanced AI data centers and high-performance computing (HPC) systems.

Coherent Details Growth Strategy and Long-Term Financial Model at 2025 Analyst and Investor Day

May 28, 2025. Coherent Corp. today detailed its long-term growth strategy, key areas of product and technology investment, and target long-term financial model at its 2025 Analyst and Investor Day at the New York Stock Exchange.

Coherent in the News

PIC Magazine | PIC platforms: A question of choice

November 24, 2023. An Interview With Julie Eng, Chief Technology Officer at Coherent.

NIKKEI Mobility | Coherent CEO: SiC Invested by DENSO and Melco

November 7, 2023. DENSO and Mitsubishi Electric (Melco) have decided to invest in the silicon carbide (SiC) business of an American semiconductor wafer manufacturer. Vincent Mattera, Chairman and CEO of Coherent, gave an interview to NIKKEI Mobility.

WSJ | One of the World’s Biggest Diamonds Could Be Key to Some of the World’s Fastest Microchips

November 3, 2023. To beat the heat that our devices throw off, engineers are experimenting with synthetic diamonds, ultrapure glass and other obscure materials.

NIKKEI Tech Foresight | Battle to Secure SiC Wafers for EVs

October 17, 2023. Japanese companies are scrambling to secure a stable supply of silicon carbide (SiC) wafers, which are essential for manufacturing next-generation power semiconductor devices.

Secure SiC wafers to compete for power semiconductors for EVs

The Economic Times | US electronics manufacturer Coherent Corp establishes first global centre of excellence in Chennai

September 05, 2023. Coherent Corp, a Pennsylvania (US) based manufacturer of electronics, and instrumentation devices, on Tuesday said it has entered into a memorandum of understanding (MoU) with Guidance Tamil Nadu and IIT Madras Research Park (IITMRP) to start its first global centre of excellence (COE) in Taramani, Chennai.

McKinsey | Coherent’s Chuck Mattera on growing a $5 billion company

August 4, 2023. II-VI was founded 50 years ago as a specialized materials company. Today, as Coherent, it has technology platforms in multiple verticals and end markets. Coherent’s chair and CEO explains how it happened.

Gazettabyte | How to Shepherd a Company’s Technologies for Growth

February 16, 2023. CTO Interviews Part 3: Dr Julie Eng. “One of the things that I always somehow had a knack for is interacting with customers, sensing opportunities, and then figuring out how our technologies can help customers solve their problems,” says Eng.

Laser Focus World | Laser Engines Improve Life Sciences Applications

August 18, 2022. Multiwavelength laser engines, which combine laser sources with pre-aligned and stabilized free-space focusing optics or integrated fiber delivery systems, simplify alignment and integration tasks for fluorescence microscopists and flow cytometry OEMs.

E-Motec | Silicon Carbide: Coming of Age in Electric Vehicle Powertrains

August, 2022. Using silicon carbide (SiC) for power switches enables higher power densities and switching efficiencies in electric vehicle (EV) powertrains.

Cignal AI | II-VI and ADVA Announce a Shakeup in the 100ZR Market

July 5, 2022. In June, II-VI and ADVA announced a joint collaboration on a QSFP28-based 100Gbps coherent pluggable optic (aka 100ZR) to be released next year. For the past several years, Cignal AI has been forecasting 100ZR optics demand for enterprise and network edge applications. This is the first announcement of a product designed specifically for this market, and it holds the promise of mass deployment of 100Gbps at the network’s edge.

WSJ | How the Search for Extraterrestrial Life Helped Make Your Smartphone’s Screen Possible

October 16, 2021. To peer deeper than ever into space, NASA needed optics of unprecedented size; the technology to make them was later repurposed to manufacture the display you might be looking at this very moment.

Success Stories

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Becker & Hickl GmbH: Two-Photon Metabolic FLIM with the Coherent Axon 780 Fibre Laser

Becker & Hickl GmbH – a technology leader in equipment for photon counting - has shown earlier that small femtosecond fibre lasers can be used as inexpensive excitation sources for multiphoton fluorescence imaging systems.

Arnold Ravensburg: Reliable High-Power CO₂ Lasers Improve Lamp Manufacturing

With over 100 years of welding experience, machine tool builder Arnold Ravensburg (Ravensburg, Germany) is expert in the technology. They were early adopters of laser welding and have been building their own systems since 1985.

AP Systems Revolutionizes OLED Display Production With DPSS Lasers

AP Systems and Coherent are poised to continue driving innovations in OLED manufacturing. The PYTHON laser and SLA systems will play a pivotal role in addressing the evolving demands of display makers, ensuring larger screens, higher performance, and enhanced user experiences.

Overcoming Output Power Barriers in Tm-Doped Fiber Lasers Through Spectral Beam Combining

Using the Coherent LMA-TDF-25P/400-M NuTDF line in three laser engines, the implementation of our dual-grating SBC system resulted in a record-breaking combined output power of 1.91 kW with a scaling potential beyond 20 kW.

Caltech: Unlocking Quantum Mysteries

See how Dr. David Hsieh at Caltech is unlocking the mysteries of quantum materials with the Coherent Astrella, enabling groundbreaking discoveries in strongly correlated electron systems.

University of Stuttgart: Improving Interference Lithography with CW Solid State Lasers

Discover how M.Sc. Savchenko and his colleagues create micro- and nanostructures using laser interference lithography (LIL).

Tokyo Institute of Technology: A Quantum Leap for Advanced Gyroscopes

See how Dr. Takashi Mukaiyama at the Tokyo Institute of Technology successfully utilized the Coherent Paladin Laser in ion-trapping experiments to push the boundaries of quantum mechanics while developing highly sensitive gyroscopes.

Photon Automation: Teamwork Improves Precision Laser Welding

See how coordination between the Photon Automation and Coherent applications teams enabled rapid development of an advanced laser welding process.

PT Laser Indonesia: Introducing Laser Cladding to Indonesia

See how a Coherent high-power diode laser system enabled Laser Indonesia to offer cladding services.

Restoring the leading-edge surface of turbine blades with cladding. Cladding is much quicker and less costly than removing and replacing worn blades or repairing them using traditional welding or thermal spray methods.

University of Vienna: Orders of Magnitude Improvements in Radioisotope Analysis

See how Dr. Martin Martschini at the University of Vienna used lasers to perform AMS in conjunction with selective photodetachment.

Together with the ultraviolet AVIA LX, the Verdi 18 is a key laser in the ILIAMS setup, enabling unwanted background signals from isobars to be suppressed by up to 11 orders of magnitude.

Teamtechnik: SmartWeld+ Fills the Gaps in Production Welding

See how production automation expert teamtechnik worked with Coherent Labs.

Top view of the 0.5 mm zinc coated copper to 1.0 mm nickel coated copper weld.

APEX: West Australian Heavy Industries Benefit From Direct-Diode Laser Technology

Learn how APEX ETG uses Coherent 10 kW direct-diode lasers for efficient, high-speed cladding of components for industries such as mining, energy, and construction.