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MITSUBISHI (OPTICAL DEVICES)
FU-68SDF-V810MxxB
1.55 mm DFB-LD MODULE WITH SINGLEMODE FIBER PIGTAIL (WAVELENGTH SELECTED, BIAS CIRCUIT INTEGRATED, DIGITAL APPLICATION)
DESCRIPTION Mod ule type FU-68SDF-V810MxxB is a 1.55mm DFBLD module with single-mode optical fiber. Th is module is suitable to a directly modulated light source for use in 2.5Gb/s digital optical communication systems. Th is module is pre pared in accordance with ITU-T reco mmend ation wavelength channel plan for DenseWDM transmission. FEATURES Multi qu antum wells (MQW) DFB Laser Diode module Input impedance is 25W Emission wavelength is in 1.55mm band High-speed response Built-in optical isolator Built-in thermal electric cooler Butterfly package With photodiode for optical output monitor APPLICATION High speed transmission systems (~2.5Gb/s) Dense-WDM systems
ABSOLUTE MAXIMUM RATINGS (Tld=Tset) Parameter Symbol Laser diode Optical output Pf power Forward current If Reverse voltage Vrl Photodiode Reverse voltage Vrd Forward current Ifd ThermoCooler current Ipe electric co oler Cooler voltage Vpe (Note) Operating case temperature Tc Storage temperature Tstg
Conditions CW CW
Rating 15 150 2 20 2 1.3 3.1 -20 ~ 70 -40 ~ 85
Unit mW mA V V mA A V C C
No te) E ven if the thermo-electric cooler (TEC) is operated within the rated conditions, uncontrolled current loading or o peration without heatsink may easily damage the module by exceeding the storage temperature range. Th ermistor resistance sho uld be properly monitored by the feedback circuit during TEC operation to avoid the catastrophic damage.
MITSUBISHI (OPTICAL DEVICES)
FU-68SDF-V810MxxB
1.55 mm DFB-LD MODULE WITH SINGLEMODE FIBER PIGTAIL (WAVELENGTH SELECTED, BIAS CIRCUIT INTEGRATED, DIGITAL APPLICATION)
ELECTRICAL/OPTICAL CHARACTERISTICS (Tld=Tset, Tc=25C unless otherwise noted) Parameter Threshold current Optical output power at threshold current Operating current Operating voltage Input impedance Light-emission central wavelength Central wavelength drift with case temp. Laser operating temperature Spectral width Side mode suppression ratio Dispersion penalty Cutoff frequency (-1.5dB optical) Rise and fall time (10~90%) Relative intensity noise Tracking error (Note 3) Differential efficiency Linearity Monitor current Optical isolation Dark current (PD) Symbol Ith Pth Iop Vop Zin lc Dlc/DTc Tset Dl Sr Pp fc tr, tf Nr Er h Dh Imon Iso Test Conditions CW CW, If=Ith CW, Pf=10mW CW, Pf=10mW Pf=10mW (Note 1) Tc=-20~70C (Note 1), -20dB (Note 1) (Note 1), at 10 -10 BER, +1800ps/nm Pf=10mW (Note 1) CW, Pf=10mW, 0.5~3GHz Tc=-20~70C, APC, ATC CW, Pf=10mW CW, Pf=1~12mW, (Note 4) CW, Pf=10mW, Vrd=5V Tc=25C Tc=-20~70C -1 20 33 3.5 0.15 -20 0.2 35 23 Min. Limits Typ. 10 50 1.3 25 (Note 2) 0.2 40 -155 0.25 0 35 0.4 2 150 -145 0.5 0.35 20 3 Unit Max. 25 150 95 1.8 mA mW mA V W nm pm/C C nm dB dB GHz psec dB/Hz dB mW/ mA % mA dB
Id 0.1 Vrd=5V, Tc=-20~70C mA Capacitance (PD) Ct Vrd=5V, f=1MHz 10 pF 23 Note 1) 2.48832Gb/s NRZ, 2 -1, Pf_ave=5mW, Extinction ratio 10dB, optical return loss of the connectors should be greater than 40dB in order to ensure the specified performance. Note 2) See Table 1. Note 3) Er=max|10log(Pf / Pf@25C)| Note 4) Variation of the differential efficiency from the straight line between 1mW and 10mW.
MITSUBISHI (OPTICAL DEVICES)
FU-68SDF-V810MxxB
1.55 mm DFB-LD MODULE WITH SINGLEMODE FIBER PIGTAIL (WAVELENGTH SELECTED, BIAS CIRCUIT INTEGRATED, DIGITAL APPLICATION)
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 DT Ipe Vpe Tld=25 Pf=10mW, Tc=70C Pf=10mW, Tc=70C, Tld=Tset Pf=10mW, Tc=70C, Tld=Tset Min. 9.5 50 -
Limits Typ. 10 3950 0.6 1.2
Unit Max. 10.5 1 2 kW K C A V
FIBER PIGTAIL SPECIFICATIONS Parameter Type Mode field diameter Cladding diameter Secondary coating outer diameter Connector Optical return loss of connector
Limits SM 9.5 1 125 2 0.9 0.1 FC/PC 40 (min)
Unit mm mm mm dB
DOCUMENTATION (Tld=Tset) Fiber output power vs. Laser forward current at Tld=Tset and Tc=-20,25,70C BER curves at 2.48832Gb/s modulation Threshold current (Ith) Laser forward current (Iop) at Pf=10mW Laser forward voltage (Vop) at Pf=10mW Laser operating temperature (Tset) at lc (Note 5) 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 5) Tset is attached as a reference data. Rth should be used in order to tune the wavelength to the specified value accurately.
MITSUBISHI (OPTICAL DEVICES)
FU-68SDF-V810MxxB
1.55 mm DFB-LD MODULE WITH SINGLEMODE FIBER PIGTAIL (WAVELENGTH SELECTED, BIAS CIRCUIT INTEGRATED, DIGITAL APPLICATION)
Table 1. Type number
lc (nm) FU-68SDF-810M9B 1529.55 FU-68SDF-810M11B 1530.33 FU-68SDF-810M13B 1531.12 FU-68SDF-810M15B 1531.90 FU-68SDF-810M17B 1532.68 FU-68SDF-810M19B 1533.47 FU-68SDF-810M21B 1534.25 FU-68SDF-810M23B 1535.04 FU-68SDF-810M25B 1535.82 FU-68SDF-810M27B 1536.61 FU-68SDF-810M29B 1537.40 FU-68SDF-810M31B 1538.19 FU-68SDF-810M33B 1538.98 FU-68SDF-810M35B 1539.77 FU-68SDF-810M37B 1540.56 FU-68SDF-810M39B 1541.35 FU-68SDF-810M41B 1542.14 FU-68SDF-810M43B 1542.94 FU-68SDF-810M45B 1543.73 FU-68SDF-810M47B 1544.53 FU-68SDF-810M49B 1545.32 FU-68SDF-810M51B 1546.12 All wavelengths are referred to vacuum. Tolerance is lc 0.05nm.
Type number FU-68SDF-810M53B FU-68SDF-810M55B FU-68SDF-810M57B FU-68SDF-810M59B FU-68SDF-810M61B FU-68SDF-810M63B FU-68SDF-810M65B FU-68SDF-810M67B FU-68SDF-810M69B FU-68SDF-810M71B FU-68SDF-810M73B FU-68SDF-810M75B FU-68SDF-810M77B FU-68SDF-810M79B FU-68SDF-810M81B FU-68SDF-810M83B FU-68SDF-810M85B FU-68SDF-810M87B FU-68SDF-810M89B FU-68SDF-810M91B FU-68SDF-810M93B FU-68SDF-810M95B
lc (nm) 1546.92 1547.72 1548.51 1549.32 1550.12 1550.92 1551.72 1552.52 1553.33 1554.13 1554.94 1555.75 1556.55 1557.36 1558.17 1558.98 1559.79 1560.61 1561.42 1562.23 1563.05 1563.86
MITSUBISHI (OPTICAL DEVICES)
FU-68SDF-V810MxxB
1.55 mm DFB-LD MODULE WITH SINGLEMODE FIBER PIGTAIL (WAVELENGTH SELECTED, BIAS CIRCUIT INTEGRATED, DIGITAL APPLICATION)
OUTLINE DIAGRAM (Unit : mm)
28.4
FU-68SDF-V810MxxB

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