Definition
The laser is a semiconductor laser with a distributed feedback structure whose peak wavelength is precisely set in the 1240nm range. These lasers are typically designed as fiber-coupled to facilitate integration with fiber optic systems and provide single-mode and precisely wavelength laser output.
Feature
Integrated free-space optical isolator (two-stage)
Precise wavelength control
High stability
Low noise
High efficiency
Optical fiber coupling design
Application
Optical communication
Optical sensing
Quantum and nonlinear optics
Measurement and atomic reference
Sensing and spectroscopy
Specification
Parameters | Min | Typ | Max | Unit | Note |
Chip temperature | 20 | 25 | 40 | ℃ |
|
Forward current |
| 350 | 400 | mA |
|
Output power | 5 |
| 50 | mW |
|
Forward current @ 50mW |
|
| 400 | mA |
|
Forward voltage @ 50mW |
| 1.7 | 3.5 | V |
|
Threshold current |
| 50 | 90 | mA |
|
Monitoring photodiode current |
| 25 |
| µA |
|
Monitoring photodiode responsivity |
| 0.4 |
| µA/mW |
|
Peak wavelength (select as needed) | 1200 |
| 1280 | nm | When the power ＞50mW, the accessibility can be achieved within the wavelength tolerance range. |
Peak wavelength tolerance |
|
| ±1 | nm |
|
Wavelength temperature tuning capability |
| 120 |
| pm/℃ |
|
Wavelength current tuning property |
| 2 |
| pm/mA |
|
Side mode suppression ratio (SMSR) | 40 | 50 |
| dB |
|
Width (self-intermodulation at 80MHz) |
| 1 | 5 | dB |
|
Polarization extinction ratio (PER) | 15 | 18 |
| dB |
|
Polarization degree |
| TE |
|
|
|
Absolute maximum rating
Parameters | Min | Max | Unit |
Forward current |
| 450 | mA |
Reverse voltage |
| 2 | V |
TEC current |
| 3 | A |
TEC voltage |
| 4 | V |
Chip operating temperature | 5 | 50 | ℃ |
Shell operating temperature | 0 | 70 | ℃ |
The bias voltage of the monitoring photodiode |
| 5 | V |
Pin soldering temperature (up to 10 seconds, maximum shell temperature 120°C) |
| 300 | ℃ |
Storage temperature | -40 | 85 | ℃ |
Fiber band radius | 3 |
| cm |
Typical performance (reference only)
Thermistor specifications
Parameter | Specification | Unit |
Type | NTC |
|
Resistance @ 25℃ | 10±0.1 | kOhm |
Beta 25-85℃ | 3435±1% | K |
Fiber specifications
Parameters | Value | Value | Unit |
Fiber type | HI1060 | PM980 |
|
Numerical aperture (typical value) | 0.14 | 0.12 |
|
Cut-off wavelength | 920±50 | 900±70 | nm |
Mode field (core) diameter | 6.2±0.3@1060nm | 6.6±0.3@1060nm | µm |
Cladding diameter | 125±1 | 125±1 | µm |
Coating (buffer) diameter | 245±15 | 245±15 | µm |
Casing (optional) | 900 | 900 | µm |
Connector | FC/APC | FC/APC |
|
Key | narrow | narrow |
|
Dimension
Ordering info
ZG | A | B |
Output power | Peak wavelength | |
5=5mW 50=50mW XX=others | 1200=1200nm 1240=1240nm 1280=1280nm XX=others |
joe@zg-photonics.com
0816 - 2384466
