Technical
For coherent signals with wide optical spectrum, the traditional scanning method using an OSA or inband polarization method (EXFO) cannot...
-
Free
-
March 26, 2025
Why does FEC introduce latency? The addition of FEC overhead at the transmit end and FEC decoding at the receive...
-
Free
-
March 26, 2025
Why does coherent detection introduce pre-FEC bit errors? The DSP algorithm at the receive end detects and analyzes the phase...
-
Free
-
March 26, 2025
The ITU standards define a “suspect internal flag” which should indicate if the data contained within a register is ‘suspect’...
-
Free
-
March 26, 2025
A Lower Order-ODU or LO-ODU is an ODUk, whose OPUk transports a inside mapped client. An Higher Order-ODU or HO-ODU is...
-
Free
-
March 26, 2025
The main advantages and drawbacks of EDFAs are as follows. Advantages Commercially available in C band (1,530 to 1,565 nm)...
-
Free
-
March 26, 2025
Optical power tolerance: It refers to the tolerable limit of input optical power, which is the range from sensitivity to...
-
Free
-
March 26, 2025
When the bit error occurs to the system, generally the OSNR at the transmit end is well and the fault...
-
Free
-
March 26, 2025
**Multiplicative factor is just a simple math :eg. for ODU1/OPU1=3824/3808={(239*16)/(238*16)} Here value of multiplication factor will give the number of...
-
Free
-
March 26, 2025
Non-linear interactions between the signal and the silica fibre transmission medium begin to appear as optical signal powers are increased...
-
Free
-
March 26, 2025
Explore Articles
- Analysis
- Automation
- Careers and Learning Paths
- Coherent Optics
- Data Center Interconnect
- Free
- Fundamentals
- Management
- Network Architecture
- Planning & Design
- Premium
- Professional Development
- Security
- Standards
- Submarine and Long-Haul
- Technical
- Testing
- Tools and Simulators
- Trends & News
- Troubleshooting and Operations
- Vendor and Product Landscape
Filter Articles
ResetTags
400ZR
automation
baud rate
behavioral
behavioral interview
ber
candidate
career
COHERENT
coherent optical transmission
coherent optics
data center interconnect
Data transmission
DWDM
edfa
EDFA noise figure
Fiber optics
Fiber optic technology
Forward Error Correction
hiring
Interview
modulation
network automation
noise figure
optical
Optical communication
Optical fiber
Optical network
optical network automation
optical networking
Optical signal-to-noise ratio
OSNR
OTN
preparation
Probabilistic Constellation Shaping
Q-factor
Raman amplification
recruiter
ROADM
Signal quality
Slider
spectral efficiency
STAR
submarine
Ticker