Fengqi Liu

Harbin, China

Last Updated: 09/26/2026

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Found 27 publications

Sandwiched dual seed sources master oscillator power amplifier quantum cascade lasers.

Sandwiched dual seed sources master oscillator power amplifier quantum cascade lasers.

Journal: Optics express
Published: January 29, 2025

Manipulation of optical orbit-induced localized spin angular momentum using the periodic edge dislocation.

Manipulation of optical orbit-induced localized spin angular momentum using the periodic edge dislocation.

Journal: Optics express
Published: April 04, 2024

Above 20 GHz high frequency operation of mid-infrared doughnut-shaped microcavity quantum cascade lasers.

Above 20 GHz high frequency operation of mid-infrared doughnut-shaped microcavity quantum cascade lasers.

Journal: Optics express
Published: December 13, 2023

Multi-focused electric and magnetic field sourcing from an azimuthally polarized vortex circular hyperbolic umbilic beam.

Multi-focused electric and magnetic field sourcing from an azimuthally polarized vortex circular hyperbolic umbilic beam.

Journal: Optics express
Published: September 15, 2023

Inserting self-assembled InAs quantum dots into quantum cascade lasers to achieve a broadband free-running frequency comb and effective radio-frequency injection.

Inserting self-assembled InAs quantum dots into quantum cascade lasers to achieve a broadband free-running frequency comb and effective radio-frequency injection.

Journal: Optics express
Published: May 09, 2023

Monolithically integrated mid-infrared sensor with a millimeter-scale sensing range.

Monolithically integrated mid-infrared sensor with a millimeter-scale sensing range.

Journal: Optics express
Published: October 27, 2022

High-performance quantum cascade lasers at λ ∼ 9 µm grown by MOCVD.

High-performance quantum cascade lasers at λ ∼ 9 µm grown by MOCVD.

Journal: Optics express
Published: October 19, 2022

Phase-locked terahertz quantum cascade laser array integrated with a Talbot cavity.

Phase-locked terahertz quantum cascade laser array integrated with a Talbot cavity.

Journal: Optics express
Published: October 19, 2022

Continuous-wave microcavity quantum cascade lasers in whispering-gallery modes up to 50 °C.

Continuous-wave microcavity quantum cascade lasers in whispering-gallery modes up to 50 °C.

Journal: Optics express
Published: October 13, 2022

High performance distributed feedback quantum cascade laser emitting at λ∼6.12um.

High performance distributed feedback quantum cascade laser emitting at λ∼6.12um.

Journal: Optics express
Published: February 25, 2022

Mid-wave/long-wave dual-color infrared quantum cascade detector enhanced by antenna-coupled microcavity.

Mid-wave/long-wave dual-color infrared quantum cascade detector enhanced by antenna-coupled microcavity.

Journal: Optics express
Published: November 23, 2021

Dual-wavelength switchable, mid-infrared quantum cascade laser with two shallow-etched distributed Bragg reflectors.

Dual-wavelength switchable, mid-infrared quantum cascade laser with two shallow-etched distributed Bragg reflectors.

Journal: Optics express
Published: November 23, 2021
Showing 1-12 of 27

Last Updated: 09/26/2026