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2723CXXX Datasheet

  • 2723CXXX

  • Telecomm/Datacomm

  • 11頁(yè)

  • ETC

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Data Sheet
May 2002
High-Power 10 Gbit/s Modulated Source
Applications
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Digital high-speed telecommunications:
鈥?SONET: OC-1 through OC-192
鈥?SDH: STM-16, STM-64
鈥?Undersea communications
Internet data communications
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Description
The D2525P family of DFB laser modules is
designed to be used with a lithium-niobate external
modulator (see Table 5). The laser module features a
polarization-maintaining fiber (PMF) pigtail, enabling
it to be directly connected to the modulator via a fiber
splice. The module contains a multiquantum-well
(MQW), distributed-feedback (DFB) laser. This
device nominally has an output power of 10 mW. The
wavelength of the laser can be temperature-tuned for
more precise wavelength selection by adjusting the
temperature of the internal thermoelectric cooler. The
laser module is fabricated in a 14-pin, hermetic,
metal/ceramic butterfly package that incorporates a
bias tee that separates the dc-bias path from the RF
input. The RF input has a nominal 25
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impedance.
The 10 Gbits/s 2623W dual-drive modulator uses an
integrated Mach-Zehnder configuration to convert
single-polarization CW light from a semiconductor
(DFB) laser into a time-varying optical output signal.
The patented dual-drive configuration and Ti-diffu-
sion process is a standard feature on this modulator.
The high-power 10 Gbits/s modulated source features a DFB
CW laser spliced to a 10 Gbit/s, dual-drive lithium-niobate
modulator, 2723Cxxx.
Features
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ITU wavelengths available from
1529.55 nm鈥?610.06 nm
Integrated optical isolator
Industry-standard, 14-pin butterfly package
Narrow linewidth
Patented dual-drive technology with GPO connec-
tors
Minimum bandwidths of 8.5 GHz
Tunable, zero-chirp operation
Use of IC chip due to low drive voltages
PMF fiber splice
High reliability and hermetic packages
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