Optical Signal Reach Calculator

Input Parameters

Transmitter & Receiver

Fiber & Components

Advanced Parameters

Optical Amplifiers

Results

Maximum Reach: 0 km

Limiting Factor: Calculating...

Power Budget Limited

0 km

Dispersion Limited

0 km

PMD Limited

0 km

OSNR Limited

0 km

Nonlinear Limited

0 km

Power Budget Analysis

Transmit Power: 0 dBm
Fiber Loss: 0 dB
Connector Loss: 0 dB
Splice Loss: 0 dB
System Margin: 0 dB
Received Power: 0 dBm
Receiver Sensitivity: 0 dBm
Power Margin: 0 dB

Power vs Distance

OSNR vs Distance

Dispersion & PMD vs Distance

User Guide

Overview

The Optical Signal Reach Calculator determines the maximum transmission distance for optical signals in fiber networks. It analyzes multiple limiting factors including power budget, chromatic dispersion, polarization mode dispersion (PMD), optical signal-to-noise ratio (OSNR), and nonlinear effects to provide accurate reach predictions.

Key Features

  • Comprehensive reach calculation with multiple limiting factors
  • Support for various modulation formats (NRZ, PAM4, QPSK, QAM)
  • Real-time updates with interactive charts
  • Amplified system support with OSNR calculations
  • Responsive design for all devices
  • Multiple theme options for comfortable viewing

Typical Values Reference

Transmitter & Receiver

  • Tx Power: -3 to +5 dBm
  • Rx Sensitivity: -22 to -30 dBm
  • System Margin: 3-6 dB

Fiber Parameters

  • Attenuation: 0.2-0.35 dB/km @1550nm
  • CD: 17 ps/nm/km (G.652)
  • PMD: 0.02-0.1 ps/√km

Components

  • Connector: 0.2-0.5 dB
  • Splice: 0.05-0.1 dB
  • EDFA NF: 4-6 dB

OSNR Requirements

  • NRZ-OOK: ~10 dB
  • QPSK: ~14 dB
  • 16QAM: ~22 dB
  • 64QAM: ~28 dB

How to Use

  1. Enter transmitter and receiver specifications
  2. Select appropriate modulation format
  3. Input fiber and component parameters
  4. Adjust advanced settings if needed
  5. For amplified systems, specify amplifier parameters
  6. View results and analyze limiting factors