activity
20122026
most citedBandwidth enhancement and optical performances of multiple quantum well transistor lasers

36 citations · 55 across the 6 of their papers we have counts for

collaborators

6 papers

physics.optics2026

DC-to-GHz Modulation In Microring Modulators Using Ferroelectric Nematic Liquid Crystal-on-Silicon in a Foundry Photonic Process

Iman Taghavi, Alexander Tofini, Edward K. Leung +4

Silicon-organic hybrid (SOH) platforms exhibit exceptional electro-optic (EO) properties, including high-speed operation, low energy consumption, and compact footprints. However, t…

physics.optics2024★ 3 cited

GHz-rate optical phase shift in light matter interaction-engineered, silicon-ferroelectric nematic liquid crystals

Iman Taghavi, Omid Esmaeeli, Sheri Jahan Chowdhury +10

Organic electro-optic materials have demonstrated promising performance in developing electro-optic phase shifters. Their integration with other silicon photonic processes, nanofab…

physics.app-ph2022★ 15 cited

Enhanced Polling and Infiltration for Highly-Efficient Electro-Optic Polymer-Based Mach-Zehnder Modulators

Iman Taghavi, Razi Dehghannasiri, Tianren Fan +7

An ultra-narrow slot waveguide is fabricated for use in highly-efficient, electro-optic-polymer-based, integrated-optic modulators. Measurement results indicate that 's below…

physics.app-ph2018★ 1 cited

Large signal analysis of multiple quantum well transistor lasers: Investigation of imbalanced carrier and photon density distribution

Iman Taghavi, Behzad Namvar, Mohammad Hosseini +1

In this paper, we present a large signal and switching analysis for the Heterojunction Bipolar Transistor Laser (TL) to reveal its optical and electrical behavior under high curren…

cond-mat.mes-hall2016

Graded index SCH transistor laser: Analysis of various confinement structures

Mohammad Hosseini, Hassan Kaatuzian, Iman Taghavi

New configuration of confinement structure is utilized to improve optoelectronic performances, including threshold current, AC current gain as well as optical bandwidth and optical…

physics.optics2012★ 36 cited

Bandwidth enhancement and optical performances of multiple quantum well transistor lasers

Iman Taghavi, Hassan Kaatuzian, Jean-Pierre Leburton

A detailed rate-equation-based model is developed to study carrier transport effects on optical and electrical characteristics of the Multiple Quantum Well Heterojunction Bipolar T…