OptiSPICE Applications

OptiSPICE is the only SPICE software available for Opto-Electronics. It incorporates equations governing optical components directly into an electrical simulation framework, thus forming a single-engine optoelectronic simulation tool. Previously, the ability for a single software package to tightly model optical-electrical integration, thermal coupling, and various optical effects (such as interference, reflection, and multiple carrier frequencies) was non-existent.

Ring Resonator Fiber Optic Gyroscope

This application note demonstrates the shift in resonant frequency in an optical ring resonator due to Sagnac effect and how a closed loop feedback system can be used to calculate the angular…

Optical Phase Locked Loop for Analog Homodyne Detection

For coherent demodulation it is essential that the frequency and the phase of the local oscillator closely matches the carrier signal…

40 Gbps Silicon Depletion Mode TW Modulator

Traveling wave modulators are widely used for their low power consumption and high speeds. In this application note a transmission line model is combined with an optical…

Channel Switching Based on MEMS

Channel Switching Circuit

Applications Design and simulation of opto-electronic circuits at the transistor level Signal integrity analysis of opto-electronic circuits Benefits Offers greater ease of schematic capture, parameter specification, waveform probing and usage. State-of-the-art transient time domain, small-signal frequency, and noise analysis to accurately predict behaviour of advanced opto-electronic circuits. Waveform analysis using OptiSystem for complex post- processing functionality. Advanced visualization tools…

Electroabsorption Modulator

In this tutorial, we demonstrate optical modulation using an electroabsorbtion modulator. Sample: Electroabsorption Modulator.osch The EA Modulator device is located in the OptoElectric library. It has 2 electrical ports for the bias and RF driving and 2 optical ports as an input and output. The EA modulator is driven with a voltage source device which…

Ring Switch

In this tutorial, we demonstrate a ring switch that adds or drops channels by controlling the index of a ring resonator. Sample: RingSwitch.osch Figure 1: Schematics of Ring Switch The ‘LaserBlck’ is a subcircuit block that contains a circuit for driving laser diode. The laser diode is also connected with a thermal network consisting of…

VCSEL Array

In this tutorial, we demonstrate the simulation of a VCSEL Array circuit that contains an array of Vertical Cavity Surface Emitting Lasers (VCSEL) which exhibits temperature dependent effects. Sample: Vcsel Array.osch Figure 1: Schematics of VCSEL Array This circuit contains an array of eight VCSELs. The top level schematics contain eight subcircuit block representing each…

Power Control Design

Circuit design using a feedback loop

OptiSPICE is the only SPICE software available for Opto-Electronics. It incorporates equations governing optical components directly into an electrical simulation framework, thus forming a single-engine optoelectronic simulation tool. Previously, the ability for a single software package to tightly model optical-electrical integration, thermal coupling, and various optical effects…