PLC Type WDM
Instead of taking a thin film filter to mux or demux wavelengths, PLC type achieves the same goal by using chip PLC, which uniformly divides and guides light with different wavelengths. At KBAN, we currently provide multi-channel AWG DWDM Modules and 4ch CWDM/LWDM Devices.
PLC-type WDM products are a type of product developed based on planar optical waveguide technology, which uses the principle of arrayed waveguide grating to realize the function of wave division and multiplexing; currently this type of product is mainly divided into two categories, the first category is high-channel 100G DWDM product AWG; the second type is low-channel CWDM or Lan-WDM, the first type is mainly used in high-density long-distance metro DWDM transmission network, and cooperates with EDFA to realize long-distance high-capacity backbone fiber transmission; the second type Mainly used in TOSA and ROSA of QSFP optical module to realize 4*10G/4*25G parallel high-speed transmission.
FAQs of PLC Type WDM
TFF is composed of dozens to hundreds of dielectric films of different materials, refractive index and thickness. One layer is of high refractive index and the other is of low refractive index, so it is a passband for a certain wavelength range and a stopband for another wavelength range, forming the required filtering characteristics.
MZ, Mach Zehnder, Mach Zehnder modulator. The modulator divides the input light into two equal signals and enters the two optical branches of the modulator respectively. The materials used in the two optical branches are electro-optical materials, and their refractive index varies with the external applied electric signal. Because the change of the refractive index of the optical branch will lead to the change of the signal phase, when the output ends of the two branch signal modulators are combined together again, the synthesized optical signal will be an interference signal with varying intensity, which is equivalent to converting the change of electric signal into the variation of optical signal and realizing the modulation of light intensity.
MZ, Mach Zehnder, Mach Zehnder modulator. The modulator divides the input light into two equal signals and enters the two optical branches of the modulator respectively. The materials used in the two optical branches are electro-optical materials, and their refractive index varies with the external applied electric signal. Because the change of the refractive index of the optical branch will lead to the change of the signal phase, when the output ends of the two branch signal modulators are combined together again, the synthesized optical signal will be an interference signal with varying intensity, which is equivalent to converting the change of electric signal into the variation of optical signal and realizing the modulation of light intensity.
MZ, Mach Zehnder, Mach Zehnder modulator. The modulator divides the input light into two equal signals and enters the two optical branches of the modulator respectively. The materials used in the two optical branches are electro-optical materials, and their refractive index varies with the external applied electric signal. Because the change of the refractive index of the optical branch will lead to the change of the signal phase, when the output ends of the two branch signal modulators are combined together again, the synthesized optical signal will be an interference signal with varying intensity, which is equivalent to converting the change of electric signal into the variation of optical signal and realizing the modulation of light intensity.
MZ, Mach Zehnder, Mach Zehnder modulator. The modulator divides the input light into two equal signals and enters the two optical branches of the modulator respectively. The materials used in the two optical branches are electro-optical materials, and their refractive index varies with the external applied electric signal. Because the change of the refractive index of the optical branch will lead to the change of the signal phase, when the output ends of the two branch signal modulators are combined together again, the synthesized optical signal will be an interference signal with varying intensity, which is equivalent to converting the change of electric signal into the variation of optical signal and realizing the modulation of light intensity.