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The Alcatel 1912 AWG (Arrayed
Waveguide Grating) is designed
for DWDM systems and belongs to
a family of high performance
optical routing devices.
This component offers an
alternative to expensive upgrades
by eliminating the cost associated
with installing additional fibers.
Based on SiO2/Si planar
technology, the AWG chip consists
of a number of arrayed channel
waveguides functioning as
diffraction gratings.
Compared to other technologies,
the AWG structure offers much
narrower wavelength channel
spacing in ITU channel allocation,
high manufacturability and stability,
low cross-talk, much smaller
insertion loss, long-term reliability
and low per-channel cost.
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鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Narrow and accurate channel
spacing
Low, uniform insertion loss
Low cross-talk
Polarization insensitivity
High stability and reliability
Temperature stabilization heater
Applications
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DWDM transmission
DWDM based add/drop
multiplexing
Wavelength-selective routing
Optical signal processing
Specifications
Parameter
Number of channel
Channel spacing
Band profile
Center Wavelengths
Center Wavelength accuracy
Free Spectral Range
-1dB bandwidth
-3dB bandwidth
Insertion Loss
Insertion Loss uniformity
Polarization sensitivity
Cross-talk in adjacent channel
Cross-talk in non-adjacent channel
Total Cross-talk
Optical Return Loss
Directivity
Polarization Dependent Loss
Temperature Stability
Temperature Sensitivity
Long term stability
Symb.
鈭唂
CW
鈭咰W
FSR
鈭單?dB
鈭單?dB
IL
鈭咺L
XTa
XTn
XTt
Rl
D
PDL
Min
Max
Units
GHz
nm
GHz
GHz
nm
nm
dB
dB
nm
dB
dB
dB
dB
dB
dB
dB
GHz
GHz
Comment
16
100
Flat top
ITU grid
鹵
5
鈮?010
0.24
0.48
7
1.5
0.03
-25
-30
-22
-40
-
0.5
0.5
1.3
12.5
@ ITU wavelengths
@ ITU wavelengths
-
-
-
-
40
-0.5
-1.3
-
@ ITU wavelengths
from -5 to 70擄C
from -5 to 70擄C
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