Fujitsu DQPSK User manual

Specifications
DQPSK 40Gbps LiNbO
DQPSK 40Gbps LiNbO3
3External Modulator
External Modulator
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
*1: at dual drive *2: Mach-Zehnder Interferometer
Characteristics
Specifications are subject to change without prior notice.
Fujitsu Limited
Optical Components Unit
Sales Department
1-1 Kamikodanaka 4-chome, Nakahara-ku, Kawasaki, 211-8588, Japan (Company Mail No. H0913)
Tel: [phone], Fax: [phone]
E-mail: [email protected]
http://www.fujitsu.com/global/services/telecom/optcompo January, 2008
(1) Intensity Eye Pattern (2) Phase Eye Pattern (3) Constellation
0
90
180
270
360
Phase [deg.]
10 ps/div.
10 ps/div.
0
Child MZI
Parent MZI (*2) >20 dB
0 (*1)
αParameter (Typ.)
-5 to 75 ºCOperating Case Temperature 0.005 to 0.025 A/WMonitor PD Responsivity
89.8 x 15 x 9.5 mm / 3.54 x 0.59 x 0.37 inchesPackage Size (L x W x H)
50 ohmRF Impedance (Typ.)
<9.0 dBInsertion Loss
>22 dB
Extinction Ratio
at Low Frequency
<4.0 V (*1)
Driving Voltage (2Vπ) @22Gbps 1530 to 1610 nmOperating Wavelength >25 GHzOptical Bandwidth (-3dB) FTM7960EXPart Number