AA1418 Series
Designed for applications where low relative intensity noise (RIN) and stable polarization-maintaining properties are needed, with 40 mW output at the C-band (1537–1565 nm).
Full Product Description- Wavelength:
- 1537–1565 nm
- Output power:
- Pₒₚ=40 mW
- Laser drive current:
- Iₒₚ¹: 240–350 mA
- Linewidth :
- 2–5 MHz
- Side mode suppression:
- 35 dB (P=Pₒₚ)
- Fiber type:
- PM or non-PM single mode fiber, acrylate
Product description
This module is ideal for applications where high power, low relative intensity noise (RIN), and stable output power are needed.
The AA1418 contains a high-efficiency cooler, high-performance isolator, thermistor, and monitor detector and is designed and built using G&H’s high-reliability platform for defense applications.
Applications
Long haul WDM transmission, RF links, Seeding, Pulsing, Sensing, CATV
Key features
- ITU grid wavelengths, 50 or 100 GHz spacing
- Low RIN
- High isolation
- High efficiency TEC
- Polarization-maintaining or single-mode fiber
- Laser welded, hermetically sealed
- Built in thermistor and monitor photodiode
- Tested to Telcordia GR-468 Core/MIL-STD-883
Specifications
| Name | Value |
|---|---|
| Wavelength | 1537–1565 nm |
| Output power | Pₒₚ=40 mW |
| Laser drive current | Iₒₚ¹: 240–350 mA |
| Linewidth | 2–5 MHz |
| Side mode suppression | 35 dB (P=Pₒₚ) |
| Relative intensity noise | Peak value: -140 dBc/Hz (P=Pₒₚ) |
| Optical isolation | 55 dB (Fₒₚₜ within C-band) |
| Polarization extinction ratio | Min: 20 dB |
| Temperature tuning coefficient | -11 GHz/° C (chip temperature) |
| Kink screening | No kinks, Min: Iₜₕ + 50 mA, Max: 1.1 * Iₒₚ mA |
| Threshold current | Max: 30 mA (Iₜₕ) |
| Operating chip temperature | -20–65° C |
| Laser forward voltage | Max: 3 V (I=Iₒₚ) |
| Monitor photo diode current | Min: 100 µA (P=Pₒₚ) |
| Monitor photo diode dark current | Max: 100 nA (Vbias=-5 V) |
| TEC current | 0.1 A (T=25°C), Max: 2.2 A (T=65°C) |
| TEC voltage | 0.1 V (P=Pₒₚ, Tchip = 25° C), Max: 6 V, |
| Thermistor resistance | 9500–10500 Ω (T=25° C) |
| Thermistor β coefficient | 3892 (0 / 50°C) |
| Thermistor Steinhart-Hart coefficients | A = 1.1291e⁻³, B = 2.3413e⁻⁴, C = 8.7674e⁻⁸ |
| Fiber type | PM or non-PM single mode fiber, acrylate |
| Fiber jacket material | Acrylate |
| Fiber core diameter | 8 μm |
| Fiber outer diameter | 125 μm |
| Fiber buffer diameter | 250 μm |
| Fiber length | Min: 1.0 m |
| Fiber bend radius | Min: 35 mm |
| Fiber proof strength | 100 kPSI |
| Connector | FC/APC (other connectors available upon request) |
| Output polarization | Polarization parallel to slow axis |
¹Iₒₚ and Tₒₚ are defined on device specific test sheet supplied with each unit.
Pinout
See datasheet in Downloads for mechanical drawing.
| Pin | Description | Pin | Description |
|---|---|---|---|
| 1 | Thermistor | 14 | Case |
| 2 | Thermistor | 13 | Laser anode |
| 3 | Laser cathode (Bias) | 12 | Laser cathode ( optional bias T ) |
| 4 | Monitor PD Anode | 11 | Laser anode |
| 5 | Monitor PD cathode | 10 | Case |
| 6 | TEC+ | 9 | Case |
| 7 | TEC- | 8 | Case |
| Absolute maximum ratings * | Min | Max |
|---|---|---|
| Storage temperature | -40° C | 85° C |
| Operating case temperature | -20° C | +65° C |
| Laser forward current | 500 mA | |
| Laser reverse voltage | 2 V | |
| Photo diode photo current | 10 mA | |
| Photo diode reverse voltage | 20 V | |
| TEC current | 2.2 A | |
| TEC voltage | 6 V | |
| Thermistor current | 2 mA | |
| Thermistor voltage | 5 V | |
| Lead soldering time | 10 s | |
| Lead soldering temperature | 250° C | |
| ESD (human body model) | 500 V |
* Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only and operation of the device at or beyond these conditions is not implied. Exposure to absolute maximum ratings for extended periods of time may affect device reliability.
Order code
Guidance on how to create an order code is available in Downloads below.