LD-PD's narrow linewidth single-frequency laser using an unique the semiconductor external cavity structure. The typical output bandwidth is less than 20KHz linewidth and narrow linewidth FM laser module, with ultra-low RIN noise and excellent Frequency modulation performance, is now widely used in vehicle-mounted lidar and optical fiber sensing detection system.LD-PD's narrow linewidth single-frequency laser has its own patents, high structural stability, mature technology and it is suitable for mass production. This devise complies with Telcordia GR-468 standard and has passed the long-term reliability test.
Product model
Name
Model
Description
Parameter
Price
Parameter
Features
● PM Fiber output, line width is less than 20KHz
● ITU-T Wavelength from 1530 to 1565nm, can be customized upon request
● Frequency modulation range: 5GHz.
● Optical power: 16dBm.
● RIN noise: -165dBc/Hz @100KHz.
Laser Specifications
Specifications
Minimum value
Typical value
Maximum
Unit
Note
Wavelength
1530
1550
1570
nm
Customizable
Working temperature
-10
70
℃
Output Power
16
17
dBm
Customizable
RIN noise
-165
-163
dBc/Hz@100kHz
Operational current
400
2000
mA
Operating voltage
4.75
5
5.25
V
Lorentz linewidth 1
10
20
KHz
Customizable
Side mode suppression ratio
50
dB
Frequency modulation range
3
5
GHz
Modulation rate
1
100
200
KHz
Frequency modulation linearity
1%
Output mode
Opticaloutput (default)
Interface type
FC/APC (default)
Optical fiber type
SM/PM
1. Value measured by Autocorrelation heterodyne method
Spectrum
Linewidth characteristics
Dimension
PIN Definition
PIN#
NAME
Function and Note
1
Vcc
4.75Min, 5.25V Max, 3A, Low noise
2
Tx(output)
Data output, RS232/3.3 to 5V TTL232(Default)
3
Rx(input)
Data output, RS232/3.3 to 5V TTL232(Default)
4
/
Amplitude modulation(customer)
5
GND
GND
6
Ready(output)
Ready output, Active low, needs external pull up
7
Mod+(input)
Modulation input +
8
Mod-(input)
Modulation input -
9
Enable(input)
Active low(Default)
Remarks: 7 and 8 pin can only use positive level（BNC Interface）
Frequency Modulation & Predistortion Compensation Data
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