MapYourTech is a premier optical networking education platform established in 2011, offering 550+ technical articles, 35+ professional courses, and specialized tools for fiber optics engineers worldwide.

What topics does MapYourTech cover?

MapYourTech covers optical networking including DWDM technology, WDM systems, OTN, SDH/PDH, coherent optics, OSNR optimization, Raman and EDFA amplifiers, fiber characterization, dispersion management, and optical network design.

What is OSNR in optical networks?

OSNR (Optical Signal-to-Noise Ratio) is a critical performance metric that measures the ratio of signal power to noise power, essential for link budget calculations and ensuring reliable high-speed optical transmission in DWDM systems.

What is DWDM technology?

DWDM (Dense Wavelength Division Multiplexing) combines multiple optical signals on different wavelengths onto a single fiber, enabling massive bandwidth expansion for metro networks, long-haul transmission, and data center interconnects.

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Showing 511 - 520 of 577 results

We know that pointers give beginning location of Payload in SONET/SDH frame.So how to get end of payload info?

Actually SPE(synchronous payload envelope) can start anywhere within the SONET payload, which necessitates the need for a pointer to point to...

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March 26, 2025

RS(n,k):Exploring “n” and “k” in Reed-Solomon FEC code

FEC codes in optical communications are based on a class of codes know as Reed-Solomon. A Reed-Solomon code is specified as RS (n, k), which means...

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March 26, 2025

Focusing PRBS: Pseudo Random Binary Sequence

“In analog world the standard test message is the sine wave, followed by the two-tone signal for more rigorous tests. ...

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March 26, 2025

Time Span to calculate BER of order “x”

The Bit Error Ratio (BER) is often specified as a performance parameter of a transmission system, which needs to be...

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March 26, 2025

OTN maintenance signal interaction

The maintenance signals defined in [ITU-T G.709] provide network connection status information in the form of payload missing indication (PMI), backward...

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March 26, 2025

What an OTDR can do for you?

The Optical Time Domain Reflectometer (OTDR) is useful for testing the integrity of fiber optic cables. An optical time-domain reflectometer (OTDR)...

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March 26, 2025

Factors That Contribute to Chromatic Dispersion and how to Combat it?

Chromatic dispersion affects all optical transmissions to some degree.These effects become more pronounced as the transmission rate increases and fiber length...

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March 26, 2025

The 5-4-3 Rule of ETHERNET

When Ethernet was developed it was recognized that the use of repeaters to connect segments to form a larger network would...

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March 26, 2025

Why No Auto-Negotiation for Fiber Optic Media?

Auto-Negotiation for fiber optic media segments turned out to be sufficiently difficult to achieve that most Ethernet fiber optic segments...

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March 26, 2025

What is the soak time period to detect LOS on a port?

To detect a failure that occurs at the source (e.g., laser failure) or the transmission facility (e.g., fiber cut), all...

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March 26, 2025

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