1. Product Overview
GRACYFIBER's Aseptic Arrayed Waveguide Grating (AAWG) DWDM module
is a high-density, purely passive optical wavelength division
multiplexing solution designed to push the capacity limits of
existing fiber optic networks. Utilizing an advanced athermalized
packaging design, this module completely eliminates the reliance on
external power supplies and complex temperature control circuits
found in traditional DWDM systems, significantly reducing operating
costs (OPEX) while providing ultimate reliability. This product
fully covers the C-band (1525~1565 nm) and supports
ultra-high-density integration from 32 channels to 96 channels.
With extremely low insertion loss and extremely high channel
isolation, it is the core optical network engine for metro
networks, long-haul trunk transmissions, and data center
interconnects (DCI) to achieve massive increases in data throughput
without re-laying fiber optic cables.
2. Product Features
| Parameter | Unit | Value |
| Operating Wavelength | nm | 1525~1565 |
| Special Port | nm | Monitor,1310 (1260~1360) |
| Center Wavelength | nm | ITU Grid(C13 ~C64) or Customized |
| Channel Port | nm | 32,40 | 32,40,44,48,60 | 80,88,96 |
| Channel Spacing | nm | 150GHz (1.2nm) | 100GHz (0.8nm) | 50GHz(0.4nm) |
| Channel Passband | Min | nm | ±0.11 | ±0.11 | ±0.05 |
| Technology | - | Flat-top | Flat-top | Gaussian | Flat-top |
| Pass band @1dB | Min | nm | 0.92 | 0.38 | 0.2 | 0.2 |
| Pass band @3B | Min | nm | 1.2 | 0.58 | 0.4 | 0.26 |
| Port Insertion Loss | Max | dB | 5.5 | 5.5 | 3.8 | 6.0 |
| Isolation | Adjacent | dB | ≥11 | ≥25 | ≥27 | ≥25 |
| Non-adjacent | dB | ≥23 | ≥29 | ≥30 | ≥29 |
| 1310 Port | Max | dB | 1.0 | 1.0 | 1.0 | 1.0 |
| Uniformity | Max | dB | 1.5 | 1.5 | 1.5 | 1.5 |
| Ripple | Max | dB | 0.5 | 0.5 | 1.5 | 0.5 |
| PDL | Max | dB | 0.5 |
| Return Loss | Min | dB | 40 |
| Directivity | Min | dB | 50 |
| Power Handing | Max | mW | 300 |
| Fiber Type | - | G67A1/ A2/ B3 or SMF-28 |
| Fiber Coating | um | 250 µm / 900 µm loose tube |
| Fiber to fan-out Length | mm | 500 |
| Fan-out to Conector Length | mm | 500 |
| Connector | - | LC/UPC or Customized |
| Dimensions (HxWxD) | mm | 120x70x11,482x250x44, 482x230x44 |
| Operating Temperature | °C | -5~65 |
| Storage Temperature | °C | -40~85 |
(Designed to solve your fiber optic resource depletion and high
power consumption maintenance pain points)
Features: Purely passive and heat-free design with an extremely
wide industrial-grade operating temperature range (-40°C to +85°C)
Pain Points Solved/Value: Completely eliminates power consumption
and heat dissipation concerns. Even when deployed in extremely
harsh outdoor cabinets or remote passive nodes, it still strictly
meets the ITU-T G.694.1 standard with a center wavelength accuracy
of up to ±0.05 nm. This significantly reduces the on-site
deployment threshold and long-term environmental control costs for
telecom operators.
Features: Ultra-high channel density (up to 96 channels) and
flexible channel spacing
Pain Points Solved/Value: Offers channel spacing options of 150GHz
(1.2nm), 100GHz (0.8nm), and 50GHz (0.4nm). This allows network
planners to fully utilize every megabit of physical bandwidth of a
single fiber, easily expanding existing optical transmission
capacity by multiples or even tens of times.
Features: Superior optical performance (extremely low insertion
loss and ultra-high isolation)
Solved Pain Points/Value: Gaussian technology achieves a maximum
port insertion loss of only 3.8 dB; simultaneously, adjacent
channel isolation reaches ≥ 25 dB, and non-adjacent channel
isolation reaches ≥ 29 dB. Low loss effectively extends
repeaterless transmission distances, while high isolation
completely eliminates signal crosstalk between dense wavelengths,
providing an extremely clean optical path environment for 400G/800G
coherent communication.
Features: Supports both Flat-top and Gaussian passband
technologies.
Solved Pain Points/Value: Gaussian technology provides the lowest
insertion loss for links requiring extreme distances; while
Flat-top technology offers a wider signal passband (e.g., 0.38 nm
1dB passband at 100GHz), perfectly tolerating wavelength drift
caused by long-term operation of active lasers, greatly improving
the fault tolerance and stability of the entire wavelength division
multiplexing system.
Features: Built-in 1310nm legacy service port and Monitor port.
Solved Pain Points/Value: The dedicated 1310nm broadband port
(1260~1360 nm) allows existing legacy 1310nm services to be
seamlessly overlaid and operated while DWDM capacity expansion is
being performed, protecting legacy investments. The dedicated
Monitor port provides real-time, non-intrusive optical power
monitoring for the network management platform, accelerating
network troubleshooting.
3. Applications
Our AAWG DWDM modules are central nodes for building high-capacity,
all-optical network architectures:
- WDM Network: Used for ultra-high-capacity wavelength routing and
multiplexing in metro core networks and long-haul trunks.
- DCI (Data Center Interconnect): Solves the bottleneck of massive
parallel data exchange across data centers for cloud service
providers.
- Telecommunication Cellular: Provides ample wavelength resources for
5G/6G centralized fronthaul (C-RAN) and midhaul/backhaul networks.
- Fiber Optic Amplifier System Integration: Seamlessly integrated
into high-order EDFA or Raman amplifier systems as a core
demultiplexing/multiplexing component.
- Line Monitoring: Performs real-time quality assessment of the
entire high-value DWDM link in conjunction with OTDR equipment.
4. Packaging Options
To perfectly meet the needs of all scenarios, from device-level
integration to central data center deployment, we offer three
mainstream packaging solutions compliant with the Telcordia GR-1221
standard:
- ABS Module (Compact bare module, 90 × 20 × 10 mm): Delivered
directly as a bare module, ideal for embedded optoelectronic
subsystems, high-end test instruments, and in-house integration
with end-device OEMs.
- LGX Cassette (Hot-swappable box type, 100 × 80 × 10 mm): Designed
for high-density environments. Supports hot-swapping within
standard LGX chassis, providing extremely convenient front panel
fiber management, making it the optimal form factor for data
centers and high-density patch panels.
- 1U Rack Unit: Featuring a standard 19-inch rack width and 1U
height, the front panel is equipped with intuitive LC/SC ports and
cable label slots, perfectly matching the rack specifications of
traditional telecom central offices and carrier facilities.
High Performance DWDM Multiplexers And OADM Module 2 Channels To 32 Channels
