Optical Circulator

Fiber Optic Circulator

Optical Circulator is a special fiber optic component which can be used to separate optical signals that travel in opposite directions in an optical fiber. An optical circulator is a three- or four-port device designed such that light entering any port exits from the next. This means that if light enters port 1 it is emitted from port 2, but if some of the emitted light is reflected back to the circulator, it does not come out of port 1 but instead exits from port 3. Circulators can be used to achieve bi-directional transmission over a single fiber. Because of their high isolation of the input and reflected optical powers and their low insertion loss, optical circulators are widely used in advanced communication systems and fiber-optic sensor applications.

KINSOM widely used three port fiber optic circulator is a compact, high performance optical device. It is widely used in combination with fiber gratings and other reflective components in DWDM systems, wavelength add/drop, high speed systems, bi-direction communication systems, dispersion compensation, EDFA application and optical time domain reflectometer (OTDR) measurements. Please contact our sales team (info@kinsom.com) for further details.

  • Low Insertion Loss
  • Low Polarization Dependent Loss
  • High isolation
  • High reliability and stability

Optical Circulator Catalog (PDF)

KINSOM Optical Circulator Series

Single-Mode Circulator

  • Single-Mode 3-Port Optical Circulator (1310, 1480, 1550, 1590nm)
  • Single-Mode 3-Port Optical Circulator (2000nm)
  • Single-Mode 3-Port Optical Circulator (C+L Band)
  • Single-Mode 3-Port Optical Circulator (1064nm)
  • Single-Mode 4-Port Optical Circulator (1310, 1480, 1550, 1590nm)
  • Single-Mode N-Port Optical Circulator (1310, 1480, 1550, 1590nm)

Polarization-Maintaining (PM) Optical Circulator

  • Polarization-Maintaining (PM) 3-Port Optical Circulator (1310, 1480, 1550, 1590nm)
  • Polarization-Maintaining (PM) 3-Port Optical Circulator (2000nm)
  • Polarization-Maintaining (PM) 3-Port Optical Circulator (C+L Band)
  • Polarization-Maintaining (PM) 3-Port Optical Circulator (1064nm)
  • Polarization-Maintaining (PM) 4-Port Optical Circulator (1310, 1480, 1550, 1590nm)
  • Polarization-Maintaining (PM) N-Port Optical Circulator (1310, 1480, 1550, 1590nm)

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