Photonics
Thermally controlled AWG
NEL is the pioneer and market leader of AWG. NEL's AWG combines and splits optical signals of different wavelengths for use in WDM systems. The heart of the device, the AWG, consists of a number of arrayed channel waveguides that act together like a diffraction grating in a spectrometer.
FEATURE
- * Low loss
- * 25, 50, 100 and 200 GHz channel spacing
- * Large channel number up to 128
- * Polarization insensitive
- * Highly stable and reliable
- * Tested to Telcordia GR-1209 and GR-1221
- * Module equipped with ATC (Automatic temperature controller) available
- * MUX and DEMUX configuration available
APPLICATION
- * Multi/demultiplexer for DWDM signal
| Gauss-type | Flat-type | |
|---|---|---|
| Optical frequency | C- or L-band | |
| Channel spacing | 100 GHz | |
| Channel number | 40 | |
| Insertion loss | < 3 | < 5 |
| Insertion loss Uniformity | < 1.5 | |
| 1 dB bandwidth | > 25 | > 50 |
| 3 dB bandwidth | > 50 | > 75 |
| Polarization dependent loss | < 0.5 dB | |
| Adjacent crosstalk | < -23 | |
| Total crosstalk | < -20 | |
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