MINIATURE OPTICAL (DE)MUX CHIP
4Wave’s innovative design and advanced fabrication techniques allow us
to offer a fully integrated multibounce-cavity, four-channel CWDM (de)mux
filter array. This multi-filter array enables OEMs to manufacture small, reliable, and highly integrated
optical subassemblies. Alignment difficulties are drastically reduced due to the deposition of all
four filters simultaneously on the same optically flat surface.
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Features & Benefits
- Small chip
form-factor (1.5mm × 4.5mm × 10mm) allows optic
mux/demux to reside inside butterfly, DIL, etc.
packages, inside XENPAK or XPAK transceivers or
directly on circuit board
- Compatible
with silicon optical bench and ceramic substrate
mounting
- Can be
packaged for surface mount or PCB assembly
- Guaranteed
co-planarity of filters means all five optic
paths are aligned in one assembly step
-
Common
aperture (entrance or exit for combined
wavelengths)
- Both
multi-mode and single-mode fiber supported for
both mux and demux
- Ion-assisted
deposition (IAD) of filters for extreme
stability versus moisture, heat and aging
- Fused quartz construction for temperature stability and ruggedness
Applications
1. 10 Gigabit Ethernet LX-4 mux/demux optics
- IEEE 802.3ae
spec compliant
- 4
wavelengths muxed onto one fiber
- 3.125
Gbit/sec modulation on each wavelength (2.5 Gb/s
payload)
- Coarse wavelength division multiplexing (CWDM)
1. 4 wavelength channels, 24.5 nm channel spacing
2. ~ 1275 to 1350 nm
wavelength range
- Single-mode
fiber supported – 10 km range
- Multi-mode
fiber supported – 300 m range (50 um core)
- Compliant with transceiver MSAs (Multi-Source Agreement)
1. XENPAK – 121 mm x 36 mm x 17.4 mm package
2.
XPAK – 70 mm x 36 mm x 10 mm package
- Allows use of installed plant of MMF for 10 GBE
2. Mux/Demux for metro and access networks
- 2, 4, 8 and
16-channel versions available
- variety of fiber launch/receive and TOSA/ROSA configurations
3. Fiber-to-the-Home (FTTH) bi-directional mux/demux
- 2 down-links
and 1 uplink on a single fiber
- downlinks
are a) voice/data and b) TV video
- uplink is
voice/data
- 40 dB isolation for high power video channel
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