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WSS-1000 pages
SANTEC OPTICAL COMPONENTS
Flexible-grid Wavelength Selective Switch
WSS-100
Santec, a leading design and manufacturer of tunable
lasers, optical instruments, OCT products, and
fiber-optic components, has developed a LCOS based
1×2&1×4 wavelength selective switches (WSS) for
single slot line-card integration. The WSS is based on
LCOS (liquid crystal on silicon) technology to adapt for
next generation flexible grid ROADMs (reconfigurable
add drop multiplexer). The low-port count (LPC) WSS
are suitable for deployment in metro edge, access
ROADM, and submarine with a cost and size optimized
solution.
Features
Applications
1 common port, 2 or 4 input/output ports;
1×2/2x1 WSS, 1×4/4x1 WSS
Excellent PDL performance
Support 12.5GHz granularity Flexible-grid
from 37.5GHz grid
No moving parts and fast response
Compact size for single slot, (W)165x(D)110x(H)20mm
RS-232 (LVTTL) or I2C, (option) DPRAM interface
Bandwidth variables for 100Gb/s
(DQPSK / BPSK / QPSK) in future upgrades
Grouping filter for channel capacity expansions
Adaption for SDN / Openflow architectures
Typical spectrum
-20
-30
-40
-150
-100
-50
0
50
100
150
-1
-1.5
-2
-2.5
-3
-150
200
Relative frequency from ITU-grid center[GHz]
37.5GHz
50GHz
100GHz
200GHz
-0.5
-100
-50
0
50
100
Relative frequency from ITU-grid center[GHz]
Excellent PDL characteristic
1.6
Top=35ºC
Port1
Port2
Port3
Port4
1.4
1.2
1
0.8
PDLMAX =0.53dB
PDLAVG =0.27dB
PDLMIN =0.23dB
150
1.6
1.4
1.2
1
0.8
0.6
0.6
0.4
0.4
0.2
0
0.2
0
6
12
18
24
30
36
42
48
54
60
ITU 50GHz grid channel
66
72
78
84
90
96
0
50
100
150
Number
200
250
0
300
PDL [dB]
-10
-50
-200
PDL [dB]
0
37.5GHz
50GHz
100GHz
200GHz
Normalized loss [dB]
Normalized loss [dB]
0
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