Fujitsu DQPSK Benutzerhandbuch

• 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  

Specifications are subject to change without prior notice.

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

January, 2008

0

90

180

270

360

P

h

as

e [

d

eg

.]

10 ps/div.

10 ps/div.

0

Child MZI 

Parent MZI (*2)

> 20 dB

0 (*1)

α Parameter (Typ.)

-5 to 75 ºC

Operating Case Temperature

0.005 to 0.025 A/W

Monitor PD Responsivity

89.8 x 15 x 9.5 mm / 3.54 x 0.59 x 0.37 inches

Package Size (L x W x H)

50 ohm

RF Impedance (Typ.)

< 9.0 dB

Insertion Loss

> 22 dB

Extinction Ratio 
at Low Frequency 

< 4.0 V (*1)

Driving Voltage (2V

π) @22Gbps

1530 to 1610 nm

Operating Wavelength

> 25 GHz

Optical Bandwidth (-3dB)