OptiSystem Applications

Optical Communication System Design

FTTH: OCDMA Network Layout

FTTH (Fiber To The Home)

A broadband access network offers various high-speed services to the end-user such as internet, multimedia, tele-medicine and distant learning…

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DWDM Layout

DWDM (Dense Wavelength Division Multiplexing)

Dense Wavelength Division Multiplexing (DWDM) is a technology that allows multiple information streams to be transmitted simultaneously over a single fiber…

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RF spectrum for the in-phase component

Coherent Optical OFDM

Orthogonal frequency division multiplexing (OFDM) is a multicarrier transmission technique where a data stream is carried with many lower-rate subcarrier tones…

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Constellation diagram (for polarization X)

100 Gbps DP-QPSK System with Digital Signal Processing

The combination of polarization-multiplexing and quadrature phase-shift-keying (PM-QPSK or DP-QPSK) is emerging as one the most promising solutions to reach bit rates of 100 Gbps and higher.

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Optical Coherent Receiver Sensitivity Analysis

Optical coherent receiver technology can provide theoretical sensitivity levels to the order of 10’s of photons/bit. This application note provides an overview of common coherent receiver architectures…

RS_FEC_Feature

BER Analysis of BPSK with RS Encoding

Demonstrates how to perform bit error rate (BER) testing for a binary phase-shift keyed (BPSK) optical system with Reed Solomon (RS) encoders and decoders.

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LIDAR Systems Design

OptiSystem is an excellent tool for designing prototype designs of communications and sensor systems. The following application note demonstrates how OptiSystem can be used to design and simulate realistic models for light detection and ranging systems (LIDAR).

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SER & BER Analysis of QAM-PSK-PAM Systems

Demonstrates how to perform symbol error rate (SER) or bit error rate (BER) testing for higher order modulation systems.

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Photodiode Sensitivity Modelling

One of the main working parts of any optical receiver is the photodetector (which converts optical power to an electric current). Either a PIN or APD (avalanche photodiode) photodetector can be used depending on the system performance objectives.

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Fiber Optic Gyroscope (FOG) Systems Design

Fiber optic gyroscopes, using the Sagnac effect, can rapidly and accurately sense changes in orientation (angular velocity) from interferometric measurements. Two open loop detection techniques, DC and phase modulation, are demonstrated using OptiSystem.

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OptiSystem C++ Component

OptiSystem’s Cpp Component, similar in operation to the MATLAB Component, allows users to create their own custom components. These are written in C++ and loaded into OptiSystem via dynamic link libraries (DLLs). The user has access to OptiSystem’s signal classes …

Matlab Binary Switch Videos

Matlab Binary Switch

Matlab Binary Switch

These video tutorials will explain the protocol for setting up the MATLAB component in OptiSystem, by demonstrating a simple binary switch.

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Optical System - Figure 1 - Transmitter components

Optical Transmitters

The role of the optical transmitter is to: convert the electrical signal into optical form, and launch the resulting optical signal into the optical fiber.  The optical transmitter consists of the following components: optical source electrical pulse generator optical modulator …

Optical System - Figure 2 - System performance with increased bit rate

LED Modulation Response

The frequency response of an LED is determined by the carrier dynamics (and therefore is limited by the carrier lifetime Tn) and the parasitic capacitance of the LED (described by the RC constant TRC[2]. If a small, constant forward bias is …

OptiSystem Manuals

Webinar: Optical Sensor Design using OptiSystem

March 16, 2017

The theory and implementation of applications to LIDAR, fiber-optic gyroscopes and fiber…

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