Preliminary
TZ7-02-271C (1/4)
July 26, 2002
Approved
Approved
Charged
H.Koyanagi
Preliminary specification of Coaxial DFB-LD module
for 2.5Gb/s Coarse WDM
Module type: FU-636SDF-Fx6M1x
( CS product: 1510, 1530, 1550, 1570nm wavelengths)
( ES product: 1470, 1490, 1590, 1610nm wavelengths)
A
B
C
D
x
Date
Approved
26 July `02
T.Nambara
MITSUBISHI ELECTRIC CORPORATION
* Mitsubishi Electric Corp. reserves the right to change product design and specification without notice.
Preliminary
TZ7-02-271C (2/4)
MITSUBISHI (OPTICAL DEVICES)
FU-636SDF-Fx6M1x
(CS & ES Product)
1.55
m UNCOOLED DFB-LD MODULE WITH SINGLEMODE FIBER PIGTAIL
(DIGITAL APPLICATION)
DESCRIPTION
Module type FU-636SDF-Fx6M1x is a 1.55
m coaxial
Uncooled DFB-LD module with single-mode optical
fiber.
This module is suitable to a light source for use in
2.5Gb/s coarse WDM optical communication
systems.
FEATURES
l
/4 shifted multi quantum wells (MQW) DFB
laser diode module
l
Emission wavelength is in 1.55
m band
l
High-speed response
l
Built-in optical isolator
l
4-pin Coaxial package
l
With photodiode for optical output monitor
APPLICATION
High speed transmission systems (~2.5Gb/s)
Coarse WDM (CWDM)
ABSOLUTE MAXIMUM RATINGS (Tc=25C)
Parameter
Symbol
Conditions
Rating
Unit
Optical output
power
Pf
CW
6
mW
Forward current
If
CW
150
mA
Laser diode
Reverse voltage
Vrl
-
2
V
Reverse voltage
Vrd
-
20
V
Photodiode
Forward current
Ifd
-
2
mA
Operating case temperature
Tc
-
-5 ~ +70
C
Storage temperature
Tstg
-
-40 ~ +85
C
Preliminary
TZ7-02-271C (3/4)
MITSUBISHI (OPTICAL DEVICES)
FU-636SDF-Fx6M1x
(CS & ES Product)
1.55
m UNCOOLED DFB-LD MODULE WITH SINGLEMODE FIBER PIGTAIL
(DIGITAL APPLICATION)
ELECTRICAL/OPTICAL CHARACTERISTICS (Tc=-5~70C, unless otherwise noted)
Limits
Parameter
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
CW, Tc=25C
-
12
25
Threshold current
Ith
CW
4
-
40
mA
Optical output power
at threshold current
Pth
CW, Ibias=Ith
-
-
50
W
CW, Pf=2mW, Tc=25C
-
42
70
Operating current
Iop
CW, Pf=2mW, Tc=70C
-
65
90
mA
CW, Pf=2mW, Tc=25C
-
1.2
1.5
Operating voltage
Vop
CW, Pf=2mW, Tc=70C
-
1.6
1.8
V
Differential impedance
Rs
-
3
6
10
Optical output power from
fiber end
Pf
CW, nominal
-
2
-
mW
-Fx6M12
1467
1470
1473
-Fx6M13
1487
1490
1493
-Fx6M14
1507
1510
1513
-Fx6M15
1527
1530
1533
-Fx6M16
1547
1550
1553
-Fx6M17
1567
1570
1573
-Fx6M18
1587
1590
1593
Light-emission central
wavelength
c
CW,
(Note2)
Pf=1mW, (Note2)
Tc=25C
(Note1)
(Note2)
(Note2)
-Fx6M19
1607
1610
1613
nm
Wavelength temperature
coefficient
ct
-
-
0.10
0.11
nm/C
Side mode suppression ratio
Sr
CW
30
45
-
dB
Rise and fall time (20~80%)
tr, tf
(Note3) (Note4)
-
125
150
psec
Relative intensity noise
Nr
CW, Pf=1mW, f=1GHz
-
-150
-140
dB/Hz
Tracking error (Note 5)
Er
CW, APC(Imon=const.)
-
0.5
1.25
dB
CW, Tc=25C
0.06
-
0.1
Differential efficiency
CW
0.03
-
0.15
mW/mA
Monitor current
Imon
CW, Pf=1mW, Vrd=5V
0.05
-
1
mA
Optical isolation
Iso
-
20
-
-
dB
Dark current (PD)
Id
Vrd=5V
-
-
0.1
A
Capacitance (PD)
Ct
Vrd=5V, f=1MHz
-
-
10
pF
Note1) "x" in type number represents type of optical connector. Please see Table 1 in the next page.
Note2) Fx6M12, -Fx6M13, -Fx6M18 and Fx6M19 will be provided as "ES" from November 2002.
Note2) 2.48832Gb/s NRZ, 2
23
-1, Pf_ave=1mW, Extinction ratio 10dB, optical return loss from the line should be
greater than 24dB in order to ensure the specified performance.
Note3) Guaranteed only when the length of LD pins are shorter than 5mm.
Note4) Er=max|10
log(Pf / Pf@25C)|
FIBER PIGTAIL SPECIFICATIONS
Parameter
Limits
Unit
Type
SM
-
Mode field diameter
10
1
m
Cladding diameter
125
2
m
Secondary coating outer diameter
0.9
0.1
mm
Connector
See Table 1.
-
Optical return loss of connector
40 (min)
dB
Preliminary
TZ7-02-271C (4/4)
DOCUMENTATION
Threshold current (Ith) at Tc=25, 70C
Operating current (Iop) at Tc=25, 70C
Operating voltage (Vop) at Tc=25C
Light-emission central wavelength (
c) at Tc=25C
Monitor current (Imon) at Tc=25C
Table 1.
Type number
Connector type
L (Note 4)
Lfiber (Note 5)
FU-636SDF-FV6M1x
FC/PC
28.4
FU-636SDF-FW6M1x
SC/PC
34.5
FU-636SDF-FT6M1x
LC/PC
32.0
99050
Note 4) `L' is the length of connector [mm].
Note 5) `Lfiber' is the fiber length that is defined in OUTLINE DIAGRAM.
TYPE NUMBER INFORMATION
FU-636SDF-Fx6M1x
Wavelength: Please see ELECTRICAL/OPTICAL CHARACTERISTICS
table.
Connector:
Please see Table 1 above.
OUTLINE DIAGRAM
(Unit : mm)
Note 1. Tolerances unless noted 0.3
FU-636SDF-Fx6M1x
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