The primary purpose of a circulator in a wireless access network is to
separate the output signal from the base station antenna's input signal. Two
essential parts of 5G base stations are circulators and isolators. The need for
a Fiber Circulator will rise dramatically along with the big increase in
5G.
Fiber Optic Circulators' attributes
The ability to transmit optical signals in both directions on a single
cable is the primary function of a fiber optic circulator. The optical signal
can only be transmitted from one port to another in a single direction at a
time, and the circulator's direction of signal transmission is irreversible.
The optical signal can be guided, but it has to flow through ports one at a
time in a sequential manner.
Fiber Optic Circulator Types
Polarization correlation or port count are two ways to classify fiber
optic circulators. There are three-port, four-port, and six-port circulators;
the three- and four-port models are the most often utilized. There are two
types of circulators: PI (polarization-independent) and PM
(polarization-maintaining) circulators, based on polarization correlation. In
polarization-maintaining areas, such as dispersion compensation modules (DCM),
dual-pass amplifiers, 40Gbps high-speed systems, and Raman pump applications,
polarization-maintaining Optical Circulator are frequently employed. Polarization-independent
optic circulators are commonly employed in high-speed, bidirectional, and dense
wavelength division multiplexing (DWDM) systems, along with fiber gratings and
other reflecting devices.
Fiber Optic Circulator Applications
Fiber Circulator are typically used in optical amplifiers, OTDRs, PON, WDM, OADM, Polarization Mode Dispersion, Dispersion Compensation, and fiber optical sensing, among other applications. An essential part of an advanced optical network's DWDM is the optical circulator. Optical circulators have a significant market potential because of the massive expansion of base stations. Fiber optic circulators' primary market will still be telecommunications applications. Furthermore, test equipment, sensing, oil, natural gas, research and development, and a few other specialized application fields employ fiber optic circulators. Polarization-independent optic circulators are commonly employed in high-speed, bidirectional, and dense wavelength division multiplexing (DWDM) systems, along with fiber gratings and other reflecting devices.
Next: The Role of Optical Attenuators in Fiber Optic Communication Systems