DQPSK 40Gbps LiNbO3 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 telecommunicationsSpecifications
Part Number

FTM7960EX

Optical Bandwidth (-3dB)

> 25 GHz

Operating Wavelength

 

1530 to 1610 nm

Driving Voltage (2Vπ) @22Gbps

< 4.0 V (*1)

Extinction Ratio
Parent MZI (*2)

> 22 dB

at Low Frequency
Child MZI

> 20 dB

Insertion Loss

 

< 9.0 dB

α Parameter (Typ.)

 

0 (*1)

RF Impedance (Typ.)

 

50 ohm

Monitor PD Responsivity

0.005 to 0.025 A/W

Operating Case Temperature

-5 to 75 ºC

Package Size (L x W x H)

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

*1: at dual drive *2: Mach-Zehnder InterferometerCharacteristics

(1) Intensity Eye Pattern

(2) Phase Eye Pattern

(3) Constellation

Phase [deg.]

0

360

270

180

90

10 ps/div.

0

10 ps/div.

 

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

 

Specifications are subject to change without prior notice.
January, 2008