PM Couplers
(Polarization Maintaining Couplers)
Fujikura PM Couplers are produced by Fujikura fused taper technology and
knowhow of PANDA fiber. Fujikura PM couplers are qualified with Telcordia
GR-1221-CORE and GR-1209-CORE.
Features
Applications
----------------------------------------------------------------------------------------------------------------
Low Crosstalk
Monitoring in PM Transmitter
Low Insertion Loss
Variety of Bands
Tap: 980/1310/1480/1550nm
WDM: 980/1550nm
Polarization Maintaining EDFA
A
vailable products:
Product Name
1550nm PM Tap Coupler
PM 980/1550 WDM Coupler
Specification #
B-02F0102C
B-04D3022A
Part #
PTAP-01**-*-*
PDS-0100-*-B
Specifications subject to change without prior notice
Headquarters
1-5-1, Kiba, Koto-ku, Tokyo 135-8512, JAPAN
Tel: +81 3 5606 1168 or 1203 Fax: +81 3 5606 1536
http://www.fujikura.co.jp/
opt-device@fujikura.co.jp
916-0512-004-06
Spec. No. : B-02F0102C
Date of Issue : 12/14/2005
General specification for
PM Tap Couplers
(PTAP-01xx-y-B, PTAP-01xx-y-T)
1. General
This specification covers PM tap Couplers to be operated in the 1550 nm region.
2. Part number definition
PTAP-01xx-y-(B or T):
xx: tap ratio,
y: 1 (1x2), 2 (2x2)
B: 250µm UV fiber for pigtail
T: 250µm UV fiber with 0.9mm loose tube
3. Specification
3-1 Fiber Specifications
Fiber type:
Fiber major diameter:
Mode field diameter:
Attenuation maximum:
Beat length:
Polarization crosstalk:
Coating diameter:
Coating material:
3-2 Coupler Configuration
Number of Port:
Packaging
Coupler Main Body
Length:
B type: 1 x 2 (Fig.1) , 2x2 (Fig.2)
T type: 1 x 2 (Fig.3) , 2x2 (Fig.4)
SUS
75+/- 1mm
(B type 1x2 UV fiber type, T type 1x2, 2x2 loose tube type)
70 +/- 1mm
(B type 2x2 UV fiber type)
3.0 +/- 0.2mm
>1 m (B type: as UV pigtail fiber portion)
>1 m (T type: as loose tube portion)
Fujikura PANDA Fiber for 1550nm
125 +/-1
µm
10.5 +/- 1.0µm @1.55µm
0.5 dB/km @1.55
µ
m
3.0 - 5.0 mm @1.55
µ
m
Max -30dB / 100m
245 +/- 15
µ
m
Double Layers of UV cured Acrylate
Diameter:
Length of Each Port Fiber Lead:
Page 1/3
Fujikura Ltd.
Spec. No. : B-02F0102C
Date of Issue : 12/14/2005
φ3.0+/−0.2mm
UV coated Fiber
(250µm)
Red painting
Blue painting
Clear (not painted)
Port3
Port4
Port1
>1000mm
75 +/- 1mm
>1000mm
Fig. 1 Definition of Each Port for 1 x 2 Configuration of UV fiber pigtail type (PTAP-01xx-1-B)
φ3.0
+/- 0.2mm
UV coated Fiber
(250µm)
Red painting
Blue painting
Port1
Port2
Black painting
Clear (not painted)
Port3
Port4
>1000mm
70+/- 1mm
>1000mm
Fig. 2 Definition of Each Port for 2 x 2 Configuration UV fiber pigtail type (PTAP-01xx-2-B)
UV coated Fiber
φ3.0+/−0.2mm
(250µm)
Loose tube (0.9mm)
Red painting
Blue painting
Clear (not painted)
Port3
Port4
Port1
>1000mm
75 +/- 1mm
>1000mm
Fig. 3 Definition of Each Port for 1 x 2 Configuration of loose tube pigtail type (PTAP-01xx-1-T)
UV coated Fiber
(250µm)
Red painting
Black painting
φ3.0
+/- 0.2mm
Loose tube (0.9mm)
Port1
Port2
Blue painting
Clear (not painted)
Port3
Port4
>1000mm
75+/- 1mm
>1000mm
Fig. 4 Definition of Each Port for 2 x 2 Configuration of loose tube pigtail type (PTAP-01xx-2-T)
Note: Material of coupler body is SUS.
Page 2/3
Fujikura Ltd.
Spec. No. : B-02F0102C
Date of Issue : 12/14/2005
3-3 Optical Specifications
Table 1. Coupling Ratio (Slow axis)
Part number
PTAP-0101-y-B,T
PTAP-0105-y-B,T
PTAP-0110-y-B,T
PTAP-0150-y-B,T
3-3-1 Operating Temperature / Humidity:
3-3-2 Operational Wavelength:
3-3-3 Storage Temperature / Humidity:
3-3-4 Excess loss (Slow axis)
Table 2. Part number and Excess loss
Part number
PTAP-0101-y-B,T
PTAP-0105-y-B,T
PTAP-0110-y-B,T
PTAP-0150-y-B,T
Excess loss
<=0.5dB
<=0.5dB
<=0.5dB
<=0.7dB
Coupling ratio
1%/99% (20dB)
5%/95%(13dB)
10%/90%(10dB)
50%/50% (3dB)
0 to +70 degC / 10 to 95%RH
1530 to 1570nm
-40 to +85 degC / 10 to 95%RH
3-3-5 Insertion Loss at ambient temperature (23+/-5degC, Slow axis)
Table 3.
Part number
PTAP-0101-y-B,T
PTAP-0105-y-B,T
PTAP-0110-y-B,T
PTAP-0150-y-B,T
3-3-6 Crosstalk
(Thru
Port, Slow axis)
The Crosstalk at 1550 nm shall be -20dB maximum for all type.
3-3-7 Directivity
The directivity as slow axis shall be 55dB minimum for all type.
4. Test Report
The results corresponding from Clause 3-1 to 3-5 shall be recorded by Fujikura in the test report.
4-1 Part number and description
The specific Part number (Ref. Table 1) shall be recorded in each page of the test report.
4-2 Serial number
4-3 Insertion Loss
4-4 Crosstalk (Thru port )
Note, other items, directivity, excess loss are design guaranteed.
<End of Specification>
Page 3/3
Insertion Loss
Thru port
Max 0.6dB
Max 0.8dB
Max1.2dB
2.5 – 4.5dB
Cross port
Max 22dB
Max14.5dB
Max11.5dB
2.5 – 4.5dB
Fujikura Ltd.
Spec. No. : B-04D3022A
Date of Issue : 06/29/2005
General specification for
PM 980/1550 WDM Coupler
(PDS-0100-*-B)
1. General
This specification covers PM 980/1550 WDM Coupler.
Part number : PDS-0100-1-B
PDS-0100-2-B
2. Specifications
Table 1 shows the specifications of PM 980/1550 WDM Coupler. Figure 1 shows the
configuration.
Parameter
Pump Path
Signal Path
Pump Path
Insertion Loss
Signal Path
Pump Path
Wavelength Dependant Loss
Signal Path
Crosstalk
Signal Path
Output Port
Input Port
Return Loss
Directivity
Operating Temperature
Storage Temperature
Fiber Type
Operating Wavelength
Fiber Configuration
Package Dimensions
Fiber Length
Unit
nm
nm
dB
dB
dB
dB
dB
-
-
dB
dB
degC
degC
-
-
mm
m
PDS-0100-*-B
970~990
1530~1570
≤0.2
≤0.5
0.1
0.3
≥20
Port 4(Pump) / Port 3(Signal)
Port 1
≥43(Pump)
/
≥50(Signal)
≥55
0 ~ +70
-40 ~ +85
Fujikura PANDA fiber
1×2
PDS-0100-1-B
PDS-0100-2-B
2×2
φ3.0×L75
PDS-0100-1-B
PDS-0100-2-B
φ3.0×L70
≥1
Table 1
Page 1/2
Fujikura Ltd.
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