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Fujitsu DQPSK Specifications

40gbps linbo3 external modulator.
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DQPSK 40Gbps LiNbO
DQPSK 40Gbps LiNbO
General Description
• 40Gbps (22Gbaud) Mach-Zehnder modulator for "DQPSK"
transmission format
• Wide EO Bandwidth equivalent to conventional 40G Modulator
for each MZI's
• Low drive voltage: < 4V (Dual drive)
• The DC bias is adjusted at the separate DC port of the
modulator.
• Built-in a monitor PD for auto bias control
• Applications:
- 40Gbps optical transmission equipment (DQPSK)
- DWDM optical transmission equipment
- Measurement equipment for high speed telecommunications
Specifications
Optical Bandwidth (-3dB)
Operating Wavelength
Driving Voltage (2Vπ) @22Gbps
Extinction Ratio
at Low Frequency
Insertion Loss
α Parameter (Typ.)
RF Impedance (Typ.)
Monitor PD Responsivity
Operating Case Temperature
Package Size (L x W x H)
Characteristics
(1) Intensity Eye Pattern
Fujitsu Limited
Optical Components Unit
Sales Department
1-1 Kamikodanaka 4-chome, Nakahara-ku, Kawasaki, 211-8588, Japan (Company Mail No. H0913)
Tel: +81-44-754-3757, Fax: +81-44-754-3598
E-mail: optmdl-sales2@ml.css.fujitsu.com
http://www.fujitsu.com/global/services/telecom/optcompo
Part Number
Parent MZI (*2)
Child MZI
(2) Phase Eye Pattern
360
270
180
90
0
0
10 ps/div.
Specifications are subject to change without prior notice.
External Modulator
External Modulator
3
3
FTM7960EX
> 25 GHz
1530 to 1610 nm
< 4.0 V (*1)
> 22 dB
> 20 dB
< 9.0 dB
0 (*1)
50 ohm
0.005 to 0.025 A/W
-5 to 75 ºC
89.8 x 15 x 9.5 mm / 3.54 x 0.59 x 0.37 inches
*1: at dual drive *2: Mach-Zehnder Interferometer
10 ps/div.
(3) Constellation
January, 2008

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