PSC-LN series
Low frequencies up to 10 GHz Polarization Scramblers
The PSC-LN are a compact and high speed electro-optic Polarization SCramblers. These integrated-optic devices feature a low-loss single-mode waveguide and are capable of modulating the polarization at frequencies ranging from DC to more than 10 GHz. They operate over a broad optical bandwidth of more than 100 nm. These devices are based on a simple TE-TM phase retarders which are capable of depolarizing light in a fixed, well maintained polarization state with a residual degree of polarization.
The PSC-LN Polarization SCrambler is based on a birefringent LiNbO3 phase modulator whose waveguide is illuminated at 45 ° of its main axis. The input state of polarization (SOP) is thus split up in two orthogonal TE and TM polarization states. The differential TE-TM phase shift is then generated here via the linear electro-optic effect by applying simple sinusoidal or saw-tooth voltages.
FEATURES
• High speed scrambling
• Low insertion loss
• Very low Scrambling voltage
• PMD mitigation
• Compact design
APPLICATIONS
• Combat PHB in the EDFA
• Optical communication networks
• Fiber sensor systems
• High-speed test equipment
OPTIONS
• Other modulation frequencies
• Custom design
• Chip on sub-mount
MATCHING COMPONENT
• iXblue RF drivers
Low Bandwidth Polarization Scrambler - Highlights
Parameter
PSC-LN-0.1
Operating wavelength
1530 nm - 1625 nm
Electro-optical bandwidth
150 MHz
TE-TM Halfwave voltage
6 V
Insertion loss
3.5 dB
Specifications given at 25 °C, 1550 nm.
Wide Bandwidth Polarization Scrambler - Highlights
Parameter
PSC-LN-10
Operating wavelength
1530 nm - 1625 nm
Electro-optical bandwidth
12 GHz
TE-TM Halfwave voltage
6 V
Insertion loss
2.5 dB
Specifications given at 25 °C, 1550 nm.
PSC-LN-0.1
150 MHz Polarization SCrambler
Electrical Characteristics
Parameter
Symbol
Condition
Min
Typ
Max
Unit
Electro-optic bandwidth
S21
-
150
200
-
MHz
TE-TM Halfwave voltage
Vπ RF50 kHz
1xVp RF @50 kHz
-
6
7
V
RF input impedance
Zin-RF
-
-
10 000
-
Ω
Optical Characteristics
Parameter
Symbol
Condition
Min
Typ
Max
Unit
Crystal
-
-
Lithium Niobate X-Cut Y-Prop
Waveguide process
-
-
Ti diffusion
Operating wavelength
λ
-
1530
1550
1625
nm
Insertion loss
IL
Without optical connectors
-
3.5
4
dB
Polarization dependent loss
PDL
-
-
-
1
dB
Optical return loss
ORL
-
-40
-45
-
dB
All specifications given at 25 °C, 1550 nm, unless differently specified.
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess of those given in the operational sections of the data sheet. Exposure to absolute maximum ratings for extended periods can adversely affect device reliability.
Parameter
Symbol
Min
Max
Unit
Modulation voltage range
EVin
-20
20
V
Optical input power
OPin
-
20
dBm
Operating temperature
OT
0
+70
°C
Storage temperature
ST
-40
+85
°C
PSC-LN-10
10 GHz Polarization SCrambler
Electrical Characteristics
Parameter
Symbol
Condition
Min
Typ
Max
Unit
Electro-optic bandwidth
S21
From 2 GHz
10
12
-
GHz
Ripple S21
ΔS21
-
-
0.5
1
dB
Electrical return loss
S11
-
-
-17
-14
dB
TE-TM Halfwave voltage
Vp RF
1xVp RF @50 kHz
-
6
7
V
Impedance matching
Zin-RF
-
-
50
-
Ω
Optical Characteristics
Parameter
Symbol
Condition
Min
Typ
Max
Unit
Crystal
-
-
Lithium Niobate Z-Cut Y-Prop
Waveguide process
-
-
Ti diffusion
Operating wavelength
l
-
1530
1550
1625
nm
Insertion loss
IL
Without optical connectors
-
2.5
3.5
dB
Optical return loss
ORL
-
-40
-45
-
dB
All specifications given at 25 °C, 1550 nm, unless differently specified.
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess of those given in the operational sections of the data sheet. Exposure to absolute maximum ratings for extended periods can adversely affect device reliability.
Parameter
Symbol
Min
Max
Unit
RF input power
EPin
-
28
dBm
Optical input power
OPin
-
20
dBm
Operating temperature
OT
0
+70
°C
Storage temperature
ST
-40
+85
°C
Mechanical Diagram and pinout
All measurements in mm
Port
Function
Note
IN
Optical input port
Polarization maintaining 1550 nm
Corning PM 15-U25D length: 1.5 meter, buffer diameter: 900 mm
OUT
Optical output port
Single mode fiber SMF 28, length: 1.5 meter, buffer diameter: 900 mm
RF
RF input port
Wiltron female K (SMA compatible)
Ordering information
PSC-LN-X-Y-Z-AB-CD
X = Bandwidth: 0.1 150 MHz 10 10 GHz
Y = Input fiber : P Polarization maintaining
Z = Output fiber : S Standard single mode
AB = Input connector : 00 bare fiber FA FC/APC FC FC/UPC
CD = Output connector : 00 bare fiber FA FC/APC FC FC/UPC
Note : optical connectors are Senko with narrow key or equivalent
商品属性 [操作波长] 1530 nm - 1625 nm [带宽] 150MHz