PD-LD is now Necsel IP, Inc., an Ushio Group company. They are headquartered in Pennington, New Jersey, USA and have been manufacturing custom laser products since 1993.

Necsel’s core competencies include the design and manufacture of fiber-optic coupled active semiconductor emitters and detectors. We specialize in fiber-pigtailed lasers, LEDs, photodiodes, and PIN-TIA assemblies. Custom made fiber-optic receptacle assemblies are also available.

Necsel leverages top-notch technical and manufacturing capabilities to create active and passive (VBG™) laser products that are high-quality, cost-effective, tailored to customers’ needs and delivered in a timely fashion. Furthermore, Necsel continues to innovate on its patented volume Bragg grating (VBG™) technology, for which the company has been awarded over 30 patents since 2003.