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2625C

Description
40 Gbits/s Lithium Niobate Electro-Optic Modulator
File Size62KB,4 Pages
ManufacturerAgere System(LSI Logic)
Download Datasheet View All

2625C Overview

40 Gbits/s Lithium Niobate Electro-Optic Modulator

Preliminary Data Sheet, Rev.2
June 2001
40 Gbits/s Lithium Niobate Electro-Optic Modulator
Applications
s
Digital high-speed telecommunications:
— SONET OC-768
— Undersea communications
Internet data communications
SONET test equipment
s
s
The Lithium Niobate 40 Gbits/s Modulator (2625C) is a higher-
speed addition to the Agere Systems’ family of modulators
that also includes 10 Gbits/s and 20 Gbits/s versions.
Description
Representing the latest advancements in high-speed
lithium niobate technology, the 40 Gbits/s electro-
optic modulator is designed for long-wavelength,
single-mode, external amplitude modulation applica-
tions. It uses an integrated Mach-Zehnder configura-
tion to convert single polarization CW light from a
semiconductor (DFB) laser into a time-varying optical
output signal. Using the source in the CW mode elim-
inates the need for demanding, high-speed perfor-
mance from the laser and reduces its cost.
The dual-drive design inherently offers the capability
to adjust the phase of the voltages on the electrodes,
which produces zero-chirp modulation operation.
The modulator is tested to, and meets the intent of,
TR-NWT-00468.
Features
s
s
s
Ti-diffusion process
Dual-drive technology
Thin-film, 50
termination in package for minimal
reflections
Low modulation voltages
Tested to
Telcordia Technologies
* 468
Angled interfaces for minimal optical reflections
Hermetic package
Separate dc bias electrode
s
s
s
s
s
Benefits
s
Excellent long-term bias stability over a full opera-
tional temperature range of 0 °C to 70 °C
Adjustable chirp for long distances at high bit rates
Internal polarizer
s
s
*
Telcordia Technologies
is a trademark of Telcordia Technologies,
Inc.
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