Details, datasheet, quote on part number: FU-68PDF-V510M156B
PartFU-68PDF-V510M156B
CategoryCommunication
Description1.58 um ( L-band ) Dfb-ld Module With Polarization Maintaining Fiber Pigtail ( Wavelength Selected, Bias Circuit Integrated, Digital Application )
CompanyMitsubishi Electronics America, Inc.
DatasheetDownload FU-68PDF-V510M156B datasheet
  

 

Features, Applications

1.58 m (L-Band) DFB-LD MODULE WITH POLARIZATION MAINTAINING FIBER PIGTAIL (WAVELENGTH SELECTED, BIAS CIRCUIT INTEGRATED, DIGITAL APPLICATION)

DESCRIPTION Module type a 1.58m (L-Band) DFB-LD module with polarization maintaining optical fiber. This module is suitable a CW light source for external modulator for use in 2.5Gb/s and 10Gb/s digital optical communication systems. This module is prepared to expand the wavelength channels into L-Band for Dense-WDM transmission. FEATURES l Input impedance 25 l Multi quantum wells (MQW) DFB Laser Diode module l Emission wavelength in 1.58m band l Polarization maintaining optical fiber pig-tail l Built-in optical isolator l Built-in thermal electric cooler l Butterfly package l With photodiode for optical output monitor APPLICATION High speed transmission systems (~10Gb/s) Dense-WDM systems OPTION l Wavelength option: 1565nm~1625nm are available ABSOLUTE MAXIMUM RATINGS (Tld=Tset) Parameter Symbol Conditions Rating Unit Laser diode Optical output 15 mW power Forward current 150 mA Reverse voltage Vrl 2 V Photodiode Reverse voltage Vrd 20 V Forward current Ifd 2 mA ThermoCooler current Ipe 1.3 A electric cooler Cooler voltage Vpe 3.1 V (Note) Operating case temperature Tc C Storage temperature Tstg C Note) Even if the thermo-electric cooler (TEC) is operated within the rated conditions, uncontrolled current loading or operation without heatsink may easily damage the module by exceeding the storage temperature range. Thermistor resistance should be properly monitored by the feedback circuit during TEC operation to avoid the catastrophic damage.

ELECTRICAL/OPTICAL CHARACTERISTICS (Tld=Tset, Tc=25 C unless otherwise noted) Parameter Symbol Test Conditions Limits Min. Typ. Threshold current Ith CW 10 Operating current Iop CW, Pf=10mW Operating voltage Vop CW, Pf=10mW Input impedance Zin Pf=10mW 25 CW, Pf=10mW (Note 1) Light-emission central c wavelength -1 Central wavelength drift with c/Tc Tc=-20~70 C case temp. Laser operating temperature Tset 20 Spectral line width CW, Pf=10mW f Side mode suppression ratio Sr CW, 33 40 Cutoff frequency 2 (-1.5dB optical) Polarization extinction ratio Ex CW, 20 25 Relative intensity noise Nr CW, -155 0.5~3GHz Tracking error Tc=-20~70 C, (Note 2) APC, ATC Differential efficiency CW, Pf=10mW 0.1 Monitor current Optical isolation Imon Iso CW, Vrd=5V, f=1MHz

Dark current (PD) Id Capacitance (PD) Ct Note 1) See Table 1. Note / Pf@25C)|

THERMAL CHARACTERISTICS (Tld=Tset, Tc=-20~70C) Parameter Symbol Test Conditions Thermistor resistance B constant of Rth Cooling capacity Cooler current Cooler voltage Rth B T Ipe Vpe Tc=70 C, Tld=Tset Tc=70 C, Tld=Tset Min. 50 -

FIBER PIGTAIL SPECIFICATIONS Parameter Type Mode field diameter Cladding diameter Secondary coating outer diameter Polarization axis Connector Optical return loss of connector Note 3) PMF - Sumitomo Panda fiber (PM-155)

Limits PM (Note slow axis FC/PC 40 (min)

DOCUMENTATION (Tld=Tset) Fiber output power vs. Laser forward current at Tld=Tset and Tc=-20,25,70 C Threshold current (Ith) Laser forward current (Iop) at Pf=10mW Laser forward voltage (Vop) at Pf=10mW Laser operating temperature (Tset) at c (Note 4) Monitor current (Imon) at Pf=10mW Thermistor resistance (Rth) Cooler current (Ipe) at Pf=10mW and Tc=70C Cooler voltage (Vpe) at Pf=10mW and Tc=70C Note 4) Tset is attached as a reference data. Rth should be used in order to tune the wavelength to the specified value accurately.


 

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