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Mini 48CH Athermal AWG Module

Product Profile Mini 48CH Athermal AWG Module can transmit photosynthetic waves of up to 48 wavelengths or decompose the combined light waves into independent light waves. It is widely used in dense wavelength division multiplexing system. Athermal AWG (AAWG) has comparable performance to...

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Product Profile
 

 

Mini 48CH Athermal AWG Module can transmit photosynthetic waves of up to 48 wavelengths or decompose the combined light waves into independent light waves. It is widely used in dense wavelength division multiplexing system.

 

Athermal AWG (AAWG) has comparable performance to standard thermal AWG (TAWG), but does not require a power supply to stabilize. They can directly replace thin film filters (filter-type DWDM modules) in the absence of power, and are also suitable for outdoor applications exceeding -30 to +70 degrees in access networks.  Different input and output fibers, such as SM fiber, MM fiber, and PM fiber, can be selected to meet different applications. OPTICO can also offer different product packaging, including metal boxes and 19 "1U racks.

 

 
Product Specifications
 

 

Item Parameter
Min. Typ. Max.
Number of Channels(CH) 40/48
Channel Spacing(GHz) 100
Central Wavelength(GHz) 1917 1964
Channel Bandwidth(GHz) ±12.5
Central Wavelength Precision(nm) ±0.5
-1dB Bandwidth(nm) 0.32
-3dB Bandwidth(nm) 0.58
-20dB Bandwidth(nm) 1.2
Insertion Loss(dB) 5.5 6.0
Adjacent Channel Isolation(dB) 27
Non-adjacent Channel Isolation(dB) 30
Total Crosstalk(dB) 24
Channel Uniformity(dB) 1.0 1.5
Directivity(dB) 45
Channel Flatness(dB) 1.5
Return Loss(dB) 40
Polarization Dependent Loss/PDL(dB) 0.3 0.5
Polarization Mode Dependent Loss(ps) 0.5
Dispersion(ps/nm) -20 +20
Max. Tolerable Power(dBm) 24

 

 
Product Features
 

 

• Excellent Optical Performance

• High Channel Counts (Up to 48Ch)

• Temperature insensitive (-40°C ~ +85°C)

• High Reliability

 

 

 
Applications
 

 

AWG (Arrayed Waveguide Gratings) multi/de-multiplexer combines and splits optical signals of different wavelengths, commonly used in WDM system.

Bi-directional WDM System
FTTx
Metro Network
 

 

 
FAQ
 

 

Q: What is WDM?

A: WDM is the abbreviation for Wavelength Division Multiplexer. It is a technology used in fiber optic communication systems to increase the data capacity of a single optical fiber by simultaneously transmitting multiple signals at different wavelengths. Each signal, also known as a channel, is carried on its own wavelength, allowing for the concurrent transmission of data streams. At the receiving end, a demultiplexer separates the different wavelengths, directing each signal to its intended destination.

 

Q: How does an AWG work?

A: The core of an AWG consists of an array of closely spaced waveguides. These waveguides are typically arranged in a linear fashion, forming a waveguide array. At the input side of the AWG, individual optical signals from different channels are coupled into separate input waveguides. Each input waveguide corresponds to a specific wavelength or channel. The optical signals interfere with each other as they propagate through the waveguide array. This interference creates a unique spectral response, and the device is designed to exploit this interference phenomenon. By controlling the spacing and length of the waveguides, the AWG effectively separates or combines optical signals according to their wavelengths. This demultiplexing (separating) or multiplexing (combining) of wavelengths allows for efficient transmission of multiple data channels within a single optical fiber.

 

Q: What's the difference between ordinary splitter and WDM?

A: An ordinary splitter, such as a fiber optic splitter, operates based on principles of reflection and refraction. It uses structures like gratings or waveguides to passively distribute an incoming optical signal to multiple output channels without altering their wavelengths. Common examples include 1x2 or 1x4 splitters, dividing one input signal into two or four outputs. On the other hand, WDM is a technology designed for transmitting multiple optical signals with different wavelengths over the same optical fiber simultaneously. WDM enables the independent transmission of signals by allocating distinct wavelengths to each, preventing interference.

 

 

Item Parameter
Min. Typ. Max.
Number of Channels(CH) 40/48
Channel Spacing(GHz) 100
Central Wavelength(GHz) 1917 1964
Channel Bandwidth(GHz) ±12.5
Central Wavelength Precision(nm) ±0.5
-1dB Bandwidth(nm) 0.32
-3dB Bandwidth(nm) 0.58
-20dB Bandwidth(nm) 1.2
Insertion Loss(dB) 5.5 6.0
Adjacent Channel Isolation(dB) 27
Non-adjacent Channel Isolation(dB) 30
Total Crosstalk(dB) 24
Channel Uniformity(dB) 1.0 1.5
Directivity(dB) 45
Channel Flatness(dB) 1.5
Return Loss(dB) 40
Polarization Dependent Loss/PDL(dB) 0.3 0.5
Polarization Mode Dependent Loss(ps) 0.5
Dispersion(ps/nm) -20 +20
Max. Tolerable Power(dBm) 24

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