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3 Ports 1310/1550nm Polarization Insensitive Optical Circulator

3 Ports 1310/1550nm Polarization Insensitive Optical Circulator

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  • 3 Ports 1310/1550nm Polarization Insensitive Optical Circulator
  • 3 Ports 1310/1550nm Polarization Insensitive Optical Circulator
  • 3 Ports 1310/1550nm Polarization Insensitive Optical Circulator
  • 3 Ports 1310/1550nm Polarization Insensitive Optical Circulator
  • 3 Ports 1310/1550nm Polarization Insensitive Optical Circulator

3 Ports 1310/1550nm Polarization Insensitive Optical Circulator

Product Item: #3023
Model: FM-PICIR-3-35-X

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Price: Starting at: US$285.00
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1M 3 Ports 1310/1550nm Polarization Insensitive Optical Circulator


Fiber-Mart’s Three-port Optical Circulator allows light to travel in only one direction. A signal entering to Port 1 will exit Port 2 with minimal loss, while a signal entering Port 2 will exit Port 3 with minimal loss. Light entering port 2 experiences a large amount of loss at port 1, and light entering port 3 experiences a large amount of loss at ports 2 and 1. Optical circulators are non-reciprocal devices. This means that any changes in the properties of the light caused by passing through the device are not reversed by traveling in the opposite direction.
Optical Circulator is widely used in advanced communication systems and fiber-optical sensor systems.
All Fiber-Mart's products are qualification tested.


  • Low Back Reflection
  • High Extinction Ratio
  • Low Insertion Loss
  • High Return Loss


  • DWDM system
  • Add-Drop Multiplexing
  • Fiber Amplifier
  • Fiber Sensor
  • Chromatic Dispersion Compensation Devices
  • Fiber Bragg Grating

Application Diagram

As the picture shows: The input DWDM channels are coupled into Port 1 of the device with a FBG device connected to Port 2. The single wavelength reflected from the FBG then reenters the Circulator in Port 2 and is routed accordingly to Port 3. The remaining signals pass through the FBG and exit on the top fiber.
Circulator used to drop an optical channel from a DWDM system using a Fiber Bragg Grating.
As the picture shows: A Circulator is located at both ends of the fiber. Each Circulator functions to add a signal in one direction while removing the signal in the other. See the example to the left.
Circulator can be used to send optical signals through a single fiber in two directions.


Sample Picture

Order Information

wavelength Type Grade Pigtail Type Length Connector
3 Ports
4 Ports
P Grade 250um bare fiber
900um loose tube
3mm loose tube
2mm loose tube

1. Wavelength: Fiber-Mart can customize any other wavelengths according to your requirement. The default is 1550nm.
2. Length: The default length for the cable is 1M, Fiber-Mart could also provide 0.5M,0.8M,1.5M, 2.0M ,etc.
3. Connector: Each port of the Circulator could be with any connector such as FC/LC/SC/ST,etc. Please contact us by email to [email protected] or call at +86 1 86 2786-1199 if you have any requirement for it.

3 Port 4 Port
Operating wavelength (nm) 1310, 1480,1550,1585,(+/-30) C+L(1520~1620) 1310,1480,1550,1585,(+/-30) C+L (1520~1620)
Isolation (λc,23℃ all sop) (dB) ≥40 ≥40 ≥40 ≥40
Isolation (Over all λ, T, sop) (dB) ≥35 ≥30 ≥35 ≥30
Insertion Loss (λc,0~70℃ all sop) (dB) Grade P ≤0.8 ≤1.1 ≤0.8 ≤1.2
Grade A ≤1.0 ≤1.2 ≤1.0 ≤1.3
PDL (dB) ≤0.15 ≤0.20
Return loss (dB) ≥50
PMD (ps) ≤0.1
Directivity ≥50
Power handling (mW) ≤300
Fiber Type SMF-28e
Operating temperature (℃) 0 ~ +70
Storage temperature (℃) -40 ~ +85
Package Dimensions (mm) For bare fiber of 900um loose tube φ5.5×L50(P2) φ5.5×L68(P5) φ5.5×L64(P8)
For 3mm cable L98XW14.5XH8.5(P6) L90XW20XH9.5(P9) L80xW12xH10(P7)


If any option which is not indicate in your Ordering, please write your option or request in your ORDER to Fiber-Mart, and contact with us.


You can place your Order Online in our website, you can send us a Purchase Order as a company, or you can request a Proforma Invoice Order to make everything clear!


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Shipping Time

FedEx IP: Within 1-4 business days
FedEx IE: Within 4-6 business days
DHL: Within 2-6 business days
EMS: Within 4-15 business days
UPS: Within 1-3 business days
Hong Kong Post Airmail: Within 10-30 business days


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Customer Reviews:

Displaying 1 to 2 (of 2 reviews)

by Valev Teodo
Date Added: 03/09/2020
The circulator I ordered was sent to me on time. And it was exactly what I wanted.

Rating: 5 of 5 Stars [5 of 5 Stars]

by Zoe
Date Added: 09/23/2019
Good quality and service!

Rating: 4 of 5 Stars [4 of 5 Stars]

Displaying 1 to 2 (of 2 reviews)

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