A team led by researcher Meng Bo at the Changchun Institute of Optics and Mechanics published a paper in Light: Science & Applications proposing a multistate-to-continuum (MTC) active-region design based on diagonal transitions, and used MOCVD to grow a mid-infrared quantum cascade laser with a single active region and an ultrabroad gain spectrum.
Why we recommend it: The diagonal-transition design from multiple states to continuum states lets several transition channels contribute gain simultaneously. The original text gives lasing spectral widths of 1.2 µm at room temperature and 1.93 µm at 80 K, directly relevant to applications such as mid-infrared frequency combs.
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Hangzhou Institute of Optics and Fine Mechanics · Recent HighlightsOptics industryAI score3030
The Hangzhou Institute of Optics and Mechanics, together with the Russell Center for Advanced Lightwave Science, Hengying Technology, Chuxin Optoelectronics, Hengmai Optics, Tuozhi Optoelectronics, and Yuexin Microelectronics, will attend LASER World of PHOTONICS CHINA 2026, held from March 18 to 20. The participating companies cover fields including infrared optical materials, semiconductor lasers, ultra-precision machining equipment, microstructured specialty optical fibers, volume grating devices, and high-end analog chips. This year's exhibition brings together more than 1,400 exhibitors from around the world, with an exhibition area exceeding 100,000 square meters.
The National Natural Science Foundation of China international cooperation innovation team project, led by the Russell Center for Advanced Lightwave Science at the Hangzhou Institute of Optics and Mechanics, was launched at the institute on February 8. The project is headed by Professor Philip Russell, with Professor Wang Pengfei's team at Northeast Normal University as the collaborating institution, and runs from January 1, 2026 to December 31, 2028. Focusing on hollow-core fiber, the project addresses challenges such as balancing low loss with high mode purity, controlling broadband ultraviolet pulses, and insufficient mid-infrared pulse performance, through research on optical fiber microstructure design and ultraviolet-to-mid-infrared ultrafast laser technology.
The Russell Center at the Hangzhou Institute of Optics and Mechanics, together with the Shanghai Institute of Optics and Fine Mechanics, published a paper in High Power Laser Science and Engineering, demonstrating high-quality transmission and precision machining of high-power picosecond lasers using a single-ring anti-resonant hollow-core fiber.
The Hangzhou Institute of Optics and Fine Mechanics exhibited with four incubated companies, Hengying Technology, Yinhu Laser, Jiayue Intelligent, and Hengmai Optics, at the 2025 Laser Manufacturing and Additive Manufacturing Exhibition, showcasing industrialized products from optoelectronic industry-chain technologies. The exhibition was held November 29-30 at the China National Convention Center in Beijing, bringing together 296 industry-leading companies, universities, and research institutions across an exhibition area of 22,000 square meters. The participating companies covered infrared optical materials, laser micro- and nano-processing of chip packaging materials, high-temperature intelligent equipment, and other fields.
Aiou Optics, a company incubated by the Hangzhou Institute of Optics and Fine Mechanics, has completed an A+ financing round of tens of millions of yuan, jointly invested by the Daohe Tuojing Chip Chain Fund and Juntong Capital. The funds will mainly go toward product development and capacity expansion to meet demand from the domestic semiconductor equipment industry for high-end lasers. Aiou Optics' intelligent stabilized lasers target applications including laser debonding, silicon wafer stealth dicing, glass through-hole processing, and display panel processing.
Jingfei Semiconductor, a platform-invested company of the Hangzhou Institute for Optics and Photonics, has been included in the "Beijing 2025 Second Group of High-Tech Enterprises" list. Jingfei Semiconductor is a manufacturer of precision semiconductor laser processing equipment and has achieved mass production of 8/12-inch silicon carbide laser lift-off equipment.
Ruier Mingkang (Zhejiang) Medical Technology Co., Ltd. has launched the DF600 series, China's first fully domestic laser fundus camera. Using a laser as its sole light source combined with confocal pinhole technology, the device enables layered imaging of the fundus. Its minimum imaging field reaches 130 degrees, while intelligent stitching covers up to 260 degrees. It requires only a 2 mm pupil without dilation, captures images in 0.1 seconds, and features built-in proprietary AI algorithms that identify the optic disc, blood vessels, macula, and hemorrhage spots without an internet connection. The DF600 has been deployed in endocrinology, health screening, emergency care, and other settings.
The Hangzhou Institute of Optics and Fine Mechanics exhibited at the 26th China International Optoelectronic Exposition together with seven incubated companies: Hengying Technology, Fuja Gallium, Tuozhi Optoelectronics, Aiou Optics, Muqi Optoelectronics, Yuexin Microelectronics, and Chuxin Optoelectronics. The group showcased industrialized products from optoelectronic industry-chain technologies, including infrared optical materials, gallium oxide single-crystal substrates and epitaxial wafers, volume Bragg gratings, ultrafast lasers, optical modules, semiconductor pump sources, and ADC chips.
Jingfei Semiconductor has achieved lift-off of 12-inch silicon carbide wafers using its self-developed laser lift-off equipment. The technology has previously been validated by multiple customers in the 6-inch and 8-inch silicon carbide segments. Compared with mainstream 6-inch wafers, 12-inch wafers offer about four times the usable area and reduce per-chip costs by 30% to 40%. This breakthrough breaks the technological monopoly held by overseas manufacturers in large-size silicon carbide processing equipment and provides equipment support for expanding silicon carbide capacity.
Dr. Zhang Lei, founder, chairman, and general manager of Shanghai Precilase, received the "Shanghai Youth Science and Technology Outstanding Contribution Award" at the 2024 Shanghai Science and Technology Awards Ceremony. He was the youngest of the 10 award recipients and the only one from a company. His team pioneered the technology route of "broadband, narrow-linewidth precision lasers based on fiber and semiconductor integration," achieving domestic substitution for more than 60 precision laser products and delivering over 5,000 precision lasers in total.
Hangzhou Tuozhi Optoelectronics Technology Co., Ltd. concluded its 49-day '630 Delivery Assurance' campaign at 12:00 on June 30, exceeding customer delivery targets. During the campaign, equipment utilization in the inspection team rose 80%, overall capacity doubled within three weeks, monthly delivery capacity increased 155%, and production efficiency improved 30%. The company focuses on core optical functional components in the upstream laser industry and is the first company in China to achieve scaled supply of photo-thermo-refractive glass and volume grating devices.
At the 5th Qianjiang Tide Science and Technology Innovation Forum, the Hangzhou Institute of Optics and Mechanics received the 2024 Zhejiang Province 'Industry-University-Research Cooperation Promotion Award,' while Director Qi Hongji won the 'Industry-University-Research Cooperation Innovator Award.' Its incubated company Hangzhou Yinhu Laser Technology Co., Ltd., in collaboration with Zhejiang University of Technology and Zhejiang Huamao Technology Co., Ltd., won the 'Industry-University-Research Cooperation Innovation Achievement Award' for its automated diamond laser slicing machine. The forum was held on June 22 at the Zhejiang University Hangzhou International Science and Technology Innovation Center.
The Russell Advanced Lightwave Science Center at the Hangzhou Institute of Optics and Mechanics, together with the Hangzhou Institute for Advanced Study of UCAS, the Shanghai Institute of Optics and Mechanics, and IRFIBER (Ningbo) Optoelectronics Co., Ltd., published a paper in Optica on delivering near-watt, hundred-femtosecond mid-infrared pulses in the 2.8 µm band through a 5 m-long hollow-core photonic crystal fiber with a single-core, eight-ring structure. After evacuation, overall efficiency exceeded 70%, the output was a near-diffraction-limited Gaussian spot, and the fundamental-mode energy fraction exceeded 95%.
Why we recommend it: The paper gives efficiency, pulse duration, peak power and fundamental-mode fraction, and compares the fiber with free-space optics and solid-core fluoride fiber, making it easier to judge the applicability of hollow-core fiber to mid-infrared ultrafast delivery.
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Hangzhou Institute of Optics and Fine Mechanics · Industry NewsOptics industryAI score3535
Hangzhou Yinhu Laser Technology Co., Ltd.'s "New-Generation Semiconductor Material Gallium Oxide Precision Laser Processing Equipment" has received Zhejiang Province's first-unit (first-set) equipment certification, making it the company's second certified product after its diamond precision laser cutting equipment in 2023. The system uses a high-precision optical path design and a highly intelligent processing platform, combined with high-dynamic ultrashort-pulse laser spatiotemporal synchronization modulation and laser acousto-optic positioning technologies. It addresses cracking and cleavage during gallium oxide cutting, poor cut-surface morphology, and excessive taper, enabling high-quality, high-precision, high-speed cutting.
The National Academy of Inventors (NAI) has announced its 2024 class of Fellows, including Dr. Jiang Shibin, chairman of Hangzhou Yinhu Laser Technology Co., Ltd., among 170 inductees. Jiang has long been engaged in research on rare-earth-doped gain glass, gain fibers, and fiber lasers, and holds 52 U.S. patents and 36 Chinese patents. The 2024 Fellows come from 135 research universities, government, and nonprofit research institutions worldwide and collectively hold more than 5,000 U.S. patents.
Aio Optics has introduced the SpectrumShaper-R4 series spectral broadening module, extending the broadening range from 1-30 GHz to 1-80 GHz. An integrated single-frequency seed source is available as an option, and the built-in spectral profiles and software interaction have been optimized. Aimed at high-power narrow-linewidth fiber lasers, the module controls the seed spectrum through electro-optic phase modulation of an RF signal to suppress nonlinear effects during amplification.
Why we recommend it: Changes in the broadening range and integrated seed-source options correspond to specific design requirements for narrow-linewidth fiber lasers, useful for comparing trade-offs between spectral control and full-system integration.
Shanghai Yitong Photonics Technology Co., Ltd. and RX Global have formed a strategic partnership to co-host Photonics World Asia 2024. Held as a preview edition, the show will take place from November 6 to 8, 2024 at the Shenzhen World Exhibition and Convention Center (Bao'an), alongside six RX flagship exhibitions. The event focuses on laser technology and applications, optical systems and precision optics, precision machinery and motion control, and test, measurement and sensing technology. It is expected to attract 10,000 professional visitors from China and abroad, with industry conferences on laser applications in touchscreens, semiconductor manufacturing and other fields.
Guangdong Huoer Laser Technology Co., Ltd. has completed a new financing round worth tens of millions of yuan, with investment from Shenzhen Huixin Investment and Huafeng Capital serving as exclusive financial adviser. The funds will go toward blue-infrared laser welding product R&D, team expansion and market development. The company's 455 nm blue laser boosts copper absorption by 12 times and gold absorption by 60 times compared with 1064 nm near-infrared light. Its blue-infrared hybrid welding solution addresses spatter, porosity and heat-affected zone issues in copper, gold and aluminum welding, improving cycle time, stability and yield for flat-wire motor stator windings and lithium battery copper tabs.
Jiangsu Qunchuang Photovoltaic Technology Co., Ltd. was recently established with registered capital of 160 million yuan. It is jointly held by 11 industry chain companies, including Trina Solar, SC New Energy Technology and Suzhou Yourgood New Material, with Dier Laser holding a 3.1250% stake. The company's business scope includes solar power technology services, manufacturing of photovoltaic equipment and components, and leasing of photovoltaic power generation equipment. Dier Laser holds a global combined market share of over 80% for its core photovoltaic products, and announced earlier this month plans to invest 3 billion yuan in capacity expansion.