PM Coupler

About us

DK Photonics Technology Limited is one of the leading companies in designing and manufacturing of high quality optical passive components mainly for telecommunication, fiber sensor and fiber laser applications.Headquartered and factory are located in Shenzhen of China. Cost effective, best quality and best service are always our goal.
DK Photonics produces a large array of fiber-optic components such as High Power Isolator,1064nm Components,PM Components,Pump Combiner,Pump Laser Protector,which using for fiber laser applications.Also have Mini-size 4/8 CH CWDM,100GHz/200GHz DWDM, Optical Circulator, PM Circulator, PM Isolator, Fused Coupler,Mini Size Fused WDM.

High power Isolator and PM Components are our major focuses. Our High power Isolator can deliver up to 50~100W continuous and stable power and 100kW peak power for fiber laser applications. Our PM Components offer excellent optical performance, i.e., high extinction ratio, low insertion loss and high reliability which become the key enabler of laser gyroscope, high-speed optical test equipments and other PM optical systems.
DK Photonics have a group who has more than eight years working experience experts in the field of optical components and optical fiber laser; they formed a professional high-end R&D team. Our products are widely used in modern fiber lasers, amplifier, telecommunications, scientific research and other high-tech field of optical communication.


²  We Can Offer Solution

DK Photonics comprised of a group of experienced fiber-optics professionals who are experts in areas of outside plant installation, connector polishing/assembly, transmission systems, datacom, CATV and testing. Because DK Photonics understands these areas so well, we can communicate with you in the same wavelength - whether you are a fiber-optics research scientist working on FTTX, multi-gigabit, DWDM, EDFA applications, transmission engineer maintaining complex optical crossconnect systems, an outside plant contractor providing splicing or testing of ribbon fibers/fanouts, a datacom manager who works on multimode-to-singlemode conversion or you are an optical component manufacturer who needs lots of quality pigtails, consumables and tools, you can count on us to offer you the best solution.


²  We Provide Customized

We provide customized components and modules, such as thin-film filter based multiplexers, tree or star coupler modules with user-defined structures, add/drop or switching modules, Polarization Maintaining Fiber Components, etc. Please contact us. We will provide you a satisfying solution with low cost. OEM services are well provided to our clients from our factories.


²  Quality And Support

DK Photonics’ products have passed the ISO9001 quality system and RoHS certification.

Quality is the ultimate standard for us on products. We promise to abide by the "innovate scientifically, high quality and honesty" principle to pursue the quality. We will only deliver products that exceed our stringent requirements and tests. Our strong team of design and application engineers provides continuous support to customers throughout the life of the product.


DK Photonics aim to add value to your business by high quality, competitive price, fast delivery, small orders acceptable and regular stock to ensure you do not miss any deal. Give DK Photonics a try. We promise that you will be glad what you choose.


DK Photonics

high power isolator