PM Optical Isolator + WDM Hybrid 980/1550nm 980/1064nm
High-performance hybrid device integrating a polarization-maintaining optical isolator and wavelength division multiplexer (WDM) for compact fiber amplifier optical modules.
Technical Specifications
Parameter
Specification
Unit
Signal Wavelength Band
1550±10 or 1064±5
nm
Pump Wavelength Band
980 ± 10
nm
Grade Configuration
Single Stage or Dual Stage
-
Peak Isolation
38 (Single Stage), 50 (Dual Stage)
dB
Min. Isolation (Signal Band)
28 (Single Stage), 45 (Dual Stage)
dB
WDM Isolation (Signal to Pump)
≥ 30
dB
WDM Isolation (Pump to Signal)
≥ 12
dB
Typ. Signal Insertion Loss
1.0 (Single Stage), 1.3 (Dual Stage)
dB
Max. Pump Insertion Loss
0.6
dB
Min. Extinction Ratio
≥ 20
dB
Min. Return Loss
≥ 50
dB
Max. Optical Power (CW)
300
mW
Package Dimensions
dia. 5.5 x 35 mm
-
Operating Temperature
-5 to +70
°C
Technical Datasheet Note
Integrates pump injection WDM and backward optical isolation into a single hermetic package, drastically reducing footprint in EDFA/YDFA pre-amplifiers.
Integrates pump injection WDM and backward optical isolation into a single hermetic package, drastically reducing footprint in EDFA/YDFA pre-amplifiers.
Configuration and ordering notes
Configuration parameters include signal wavelength (1064nm Yb or 1550nm Er), pump wavelength (980nm), single stage vs dual stage isolation, and fiber pigtail jacket.
Selection Guidance: Review footprint reduction, splice elimination and optical loss budget in our Mini & Hybrid Devices for CPO & Transceivers Guide ↗ or Mini vs Standard Isolator Guide ↗.
Key Applications
EDFA optical amplifiers, Ytterbium-doped fiber amplifiers (YDFA), fiber optic sensor front-ends, and compact coherent optical transceivers.
Package Drawing

Need an exact configuration?
A quotation review can begin with the application, quantity and available component information. Wavelength, optical power, fiber and termination details can be clarified with engineering.