Product Center
Quantum Communication Applications
Applications of Polarization-Maintaining Fiber Devices in Quantum Communication
Mini Type Manual Variable Optical Attenuator 1064-155 nm
The Mini Type Manual Variable Optical Attenuator is a compact, wide-band optical attenuation device with an operating wavelength range of 1064–155 nm. It features continuously adjustable attenuation from 0 to 3 dB, low insertion loss, high return loss (≥50dB),), and excellent thermal stability. The unit uses a precision mechanical structure for manual adjustment and is ideal for quantum communication systems, fiber sensing, optical networks, test and measurement applications, and research. Compliant with Telcordia GR-1209-CORE and GR-1221-CORE standards; RoHS certified.
PM Polarizer Wavelength Division Multiplexer 679 nm 707 nm 10 mW
The PM Polarizer Wavelength Division Multiplexer is a high-performance polarization-maintaining fiber optic device designed for quantum communication applications, integrating polarization control and wavelength division multiplexing. It operates at 679 nm and 707nm,, supporting up to 10 mW optical power. Features include a high extinction ratio (≥20dB),), low insertion loss (≤1.5dB),), and high isolation (≥25dB).). Built with PM Panda fiber design for stable polarization state transmission. Ideal for quantum key distribution (QKD), quantum entanglement sources, single-photon sources, and quantum communication systems. Compliant with Telcordia GR-1209-CORE and GR-1221-CORE standards; RoHS certified.
In-Line Fixed Attenuator 1064nm
The In-Line Fixed Attenuator is a high-performance optical attenuation device designed for the 1064nm band. It features precise attenuation, low return loss (≥50dB),), and excellent thermal stability. Using air-gap or doped fiber technology, it delivers accurate attenuation levels. Ideal for quantum communication systems, fiber sensing, high-power fiber lasers, test and measurement applications, and scientific research. Compliant with Telcordia GR-1209-CORE and GR-1221-CORE standards and RoHS certified.
In-Line Fixed Attenuator 1310nm/1550nm 300mW
The In-Line Fixed Attenuator is a high-performance optical attenuation device designed for 1310nm and 1550nm bands, supporting 30 mW CW power handling. It offers precise attenuation, low return loss (≥50dB),), and a wide operating wavelength range. Built using air-gap or doped fiber technology, it ensures accurate attenuation levels. Ideal for quantum communication systems, fiber sensing, optical networks, test and measurement applications, and scientific research. Compliant with Telcordia GR-1209-CORE and GR-1221-CORE standards; RoHS certified.
High-Power Polarization-Insensitive Isolator 1064nm 2W
The High-Power Polarization-Insensitive Isolator is a high-performance optical isolation device designed for the 1064nm band, supporting 2W CW power handling. It features low insertion loss (≤1.0dB),), high isolation (≥35dB),), and high return loss (≥50dB).). Its polarization-insensitive design ensures stable isolation performance regardless of the input light's polarization state. Ideal for quantum communication systems, high-power fiber lasers, fiber amplifiers, LiDAR, fiber sensing, and scientific research. Compliant with Telcordia GR-1209-CORE and GR-1221-CORE standards; RoHS certified.
High-Power Polarization-Insensitive Isolator 2000 nm
The High-Power Polarization-Insensitive Isolator is a high-performance optical isolation device designed for the 2000nm band, supporting high-power optical signal processing. It features low insertion loss (≤1.0dB),), high isolation (≥35dB),), and high return loss (≥50dB).). With a polarization-insensitive design, it delivers stable isolation performance regardless of the input light's polarization state. Ideal for quantum communication systems, fiber amplifiers, LiDAR, fiber sensing, and scientific research. Compliant with Telcordia GR-1209-CORE and GR-1221-CORE standards; RoHS certified.
PM Splitter 1x2 940nm 10W
The 940nm PM splitter uses a fused biconical taper process. It features a 1x2 configuration, supports up to 10W CW power, offers high extinction ratio and low insertion loss, making it ideal for optical power splitting in polarization-sensitive fiber systems.
PM Splitter 1x3 94 nm, 1 W
The 940nm PM splitter is fabricated using the fused biconical taper process. It features a 1x3 configuration, supports 10W CW power, offers a high extinction ratio, and ensures low insertion loss. Ideal for splitting optical power across three channels in polarization-sensitive fiber systems.