ITL: Interleaver

ITL (Interleaver) launched by Sintai Communications Co., Ltd. is a new type of multiplexing/demultiplexing device that uses a cross-filtering scheme to realize two 40/48-wave (100 GHz) optical signal synthesis. An 80/96 wave (50 GHz) optical signal simultaneously implements the inverse of the above process. ITL is completely passive, requires no temperature control, excellent environmental stability, and meets Telcordia GR-1221-CORE requirements.

Product diagram

Functional structure

Product specification

Function	Note
Working wavelength range	C band: 1528nm~1568nm
Channel spacing	Mux: input 100GHz/output 50GHz, Demux: input 50GHz/output 100GHz
Channel middle wavelength	ITU-T Grid
Insertion loss	≤2.2dB
Bandwidth@0.5dB	≤0.17nm
Bandwidth@25dB	≤0.7nm
Adjacent channel isolation ratio	≥22dB
Flatness	≤0.5dB
Return loss	≥40dB
Directivity	≥55dB
Dispersion	±75ps/nm
PMD	0.2ps
Occupied slot number	Support OTNS8600 series chassis, occupy 1slot
Optical interface	LC/UPC
MTBF	＞200000 hours