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CWDM波长激光器

CWDM Select Wavelength laser Diodes

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Product Description:
     The SWLD series laser diodes cover customer selection of large wavelengths from 1260nm to 1650nm which are fabricated in a hermetically sealed 14-pin butterfly package.The laser diodes  contains thermoelectric cooler (TEC), thermistor, monitor photodiode,optical isolator to secure high quality laser performance. The Laser Diodes wavelength is λn±2nm，Output power:≥20mW, Pigtail Type: SM fiber with 900um tight tube, 1.0m, FC/APC connector. Our laser products are Telcordia GR-468 qualified, and in compliance with RoHS directives.

Applications:

 LAN, WAN and metro networks

   C/DWDM systems

   Fiberoptic sensors

   Laser sources

   CATV systems

Features:

 High output power(10~100mW)

 High-performance, multiquantum well (MQW) distributed-feedback (DFB) laser

   Industry-standard, 14-pin butterfly package

   Built-in TEC and optical isolator

 ITU wavelengths available from 1260 nm —1650 nm

   Customer selection of wavelengths

Optical Characteristics (at 25 °C laser temperature)

Parameter

Symbol

Condition

Min.

Typical

Max.

Unit

Center Wavelength

λc

TL=15～35℃ CW

λn-2

λn

λn+2

nm

Peak Optical Output Power

PO

-

20

-

-

mW

Spectral linewidth

LW

Full width, half maximum (FWHM)

-

3

-

MHz

Bandwidth（@-3dB）

BW

-

-

2.5

-

GHz

Side-mode Suppression Ratio

SMSR

CW

35

45

-

dB

Optical Isolation

-

-10 < TC < +70 ºC

30

-

-

dB

Relative Intensity Noise

RIN

CW, output power 5mW

-

-145

-

dB/Hz

Wavelength Drift (EOL)

△λ

Tested over

25-year lifetime

-

-

±0.1

nm

Wavelength Temperature coefficient

Δλ/ΔT

TEC temperature

at 15℃ to 35℃

-

0.09

-

nm/°C

Wavelength Current coefficient

Δλ/ΔΙ

-

-

0.01

-

nm/mA

Note:λn can select CWDM ITU grid.

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