Toptical Technology Inc.
CWDM4 Chip

Category:Optical Passive Chip

Toptical’s CWDM4 AWG Mux & Demux Chip can replace TFF(Thin Film Filter).CWDM4 AWG Chips can be using in TOSA and ROSA for QSFP+ 40G LR4 or QSFP28 100G LR4. 

High Stability and Reliability 

Low Insertion Loss 

Low PDL 

CWDM Wavelength MUX/DEMUX Function 

Small Size

QSFP+ 40G  LR4  TOSA/ROSA

QSFP28 100G LR4  TOSA/ROSA

Data Center Transceivers

Parameter

Unit

CWDM AWG

MUX

DEMUX

Number of Channel

ch

4

4

Channel Spacing

20nm

20nm

Ch1

nm

1271.0

Ch2

nm

1291.0

Ch3

nm

1311.0

Ch4

nm

1331.0

CWL Accuracy@25℃

nm

±2.0

±2.0

1dB Bandwidth

nm

10.0

12.0

3dB Bandwidth

nm

14.0

15.0

Insert Loss (with fiber coupling)

Max

dB

3.0

2.0

Isolation

Min

dB

N/A

20.0

Polarization Dependant Loss

Max

dB

0.5

0.5

Operating Temperature

5 to 70

Storage  Temperature

40 to 85

Dimensions

PN

Pitch

Unit

Dimension

tolerance

L

W

MUX

250µm

mm

7.0

3.45

 

DEMUX

mm

9.5

1.6

 

MUX

500µm

mm

Customized

DEMUX

mm

MUX

750µm

mm

Customized

DEMUX

mm

 

RoHS Compliant

GR-1209-CORE

GR-1221-CORE

Related products