Key Features：
High Stability and Reliability
Low Insertion Loss and Low PDL
Small Volume
Multi-channel Number
High Center Wavelength Accuracy
Applications：
WDM Transmission
High Data Rate Transceivers
QSFP + 40G LR4 or QSFP28 100G LR4 TOSA and ROSA
Specifications：
Parameter | Mux | Demux | Description | Unit | ||||||
Min | Typ | Max | Min | Typ | Max | |||||
Channel Pitch | 250 / 500 / 750 | 250 | um | |||||||
Center Wavelength | Lane 1 | 1271 | 1271 | ITU-T G.694.2 | nm | |||||
Lane 2 | 1291 | 1291 | nm | |||||||
Lane 3 | 1311 | 1311 | nm | |||||||
Lane 4 | 1331 | 1331 | nm | |||||||
Center Wavelength accuracy | <±1 | <±2 | nm | |||||||
Insertion Loss | 3.0 | 2.5 | On-chip peak transmission | dB | ||||||
PDL | 0.5 | 0.5 | Ratio of transmission over all polarization states,over the ITU passband | dB | ||||||
1dB Bandwidth | 10 | 14 | 1dB down from min. IL, Full width | nm | ||||||
3dB Bandwidth | 14 | 15 | ||||||||
Return Loss | 40 | 40 | dB | |||||||
Ripple | 1.25 | 1 | dB | |||||||
Adjacent crosstalk | 26 | 26 | Ratio of peak transmission to the max. | dB | ||||||
Operation Temperature | -5 ~ 70 | ℃ | ||||||||
Storage Temperature | -40 ~ 85 | ℃ | ||||||||