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62votes

3answers

3,210views

What is CWDM and DWDM - understanding wavelength division multiplexing?

CWDM DWDM WDM optical multiplexing

Optical Modules · 17 days ago

62votes

3answers

3,230views

What is the difference between 850nm, 1310nm, and 1550nm wavelengths?

wavelength 850nm 1310nm 1550nm

Optical Modules · 14 days ago

56votes

3answers

2,870views

How does distance affect optical module selection?

distance fiber reach module selection link planning

Optical Modules · 11 days ago

38votes

3answers

1,980views

What is a CFP module and how is it different from QSFP?

CFP QSFP28 100G form factor

Optical Modules · 6 days ago

36votes

3answers

1,890views

What is passive vs active optical technology?

passive optics active optics PON WDM

Optical Modules · 7 days ago

41votes

3answers

2,130views

How do I extend fiber distance beyond module specifications?

distance extension EDFA coherent optics long-haul

Optical Modules · 8 days ago

30votes

3answers

1,670views

What is the impact of chromatic dispersion in fiber optics?

chromatic dispersion fiber physics long-haul CD compensation

Optical Modules · 4 days ago

44votes

3answers

2,340views

What is the difference between grey optics and colored (WDM) optics?

grey optics colored optics DWDM CWDM

Optical Modules · 9 days ago

42votes

3answers

2,130views

What is coherent optical technology and why is it important?

coherent optics 400G-ZR DSP long-haul

Optical Modules · 7 days ago

34votes

3answers

1,780views

What is a transponder and how is it different from an SFP?

transponder muxponder coherent DWDM

Optical Modules · 6 days ago