On the principle operation of tunneling injection quantum dot lasers

I Khanonkin, S Bauer, V Mikhelashvili, O Eyal… - Progress in Quantum …, 2022 - Elsevier
The concept of tunneling injection was introduced in the 1990's to improve the dynamical
properties of semiconductor lasers by avoiding the problem of hot carrier injection which …

Carrier dynamics in a tunneling injection quantum dot semiconductor optical amplifier

I Khanonkin, G Eisenstein, M Lorke, S Michael… - Physical Review B, 2018 - APS
The process of tunneling injection is known to improve the dynamical characteristics of
quantum well and quantum dot lasers; in the latter, it also improves the temperature …

Enhancement and control of a coherent localized surface plasmon through pump-pulse engineering

A Purohit, AK Mishra - Physical Review A, 2024 - APS
This article investigates a spaser geometry in which a silver nanoparticle is enclosed by Λ-
type three-level gain media in the form of quantum dots. An intense Gaussian pump pulse …

Room-temperature coherent revival in an ensemble of quantum dots

I Khanonkin, O Eyal, JP Reithmaier, G Eisenstein - Physical Review Research, 2021 - APS
We demonstrate the hallmark concept of periodic collapse and revival of coherence in a
room-temperature ensemble of quantum dots (QDs) in the form of a 1.5-mm-long optical …

Airy pulse dynamics in semiconductor optical amplifier with dispersive gain

DS Gaur, AK Mishra - Optics Communications, 2024 - Elsevier
We analytically as well as numerically study the Airy pulse dynamics in semiconductor
optical amplifier (SOA) with dispersive gain. The frequency dependent gain of the SOA not …

[HTML][HTML] Ultra-fast charge carrier dynamics across the spectrum of an optical gain media based on InAs/AlGaInAs/InP quantum dots

I Khanonkin, AK Mishra, O Karni, V Mikhelashvili… - AIP Advances, 2017 - pubs.aip.org
The charge carrier dynamics of improved InP-based InAs/AlGaInAs quantum dot (QD)
semiconductor optical amplifiers are examined employing the multi-wavelength ultrafast …

Coherent control in room-temperature quantum dot semiconductor optical amplifiers using shaped pulses

O Karni, AK Mishra, G Eisenstein, V Ivanov… - Optica, 2016 - opg.optica.org
We show that the long sought utilization of quantum mechanical phenomena for practical
purposes is feasible by demonstrating the ability to control quantum coherent Rabi …

Coherent light matter interactions in nanostructure based active semiconductor waveguides operating at room temperature

G Eisenstein, JP Reithmaier, A Capua, O Karni… - Applied Physics …, 2019 - pubs.aip.org
Light matter coherent interactions require that the coherent state induced in the matter be
maintained for the duration of the observation. The only way to induce and observe such …

Controlling photon echo in a quantum-dot semiconductor optical amplifier using shaped excitation

AK Mishra, O Karni, I Khanonkin, G Eisenstein - Physical Review Applied, 2017 - APS
Two-pulse photon-echo-based quantum-memory applications require a precise control over
the echo strength and appearance time. We describe a numerical investigation of …

Gain Induced Dispersion Effects on Airy Pulse

DS Gaur, AK Mishra - JSAP-Optica Joint Symposia, 2023 - opg.optica.org
Semiconductor optical amplifiers (SOA) is an essential part in the modern long range optical
communication system. SOA provides high gain over large bandwidth and consumes low …