Semiconductor laser theory
View article: Large area materials processing via unfocused beams of high-energy femtosecond lasers
Large area materials processing via unfocused beams of high-energy femtosecond lasers Open
View article: Large area materials processing via unfocused beams of high-energy femtosecond lasers
Large area materials processing via unfocused beams of high-energy femtosecond lasers Open
View article: Monolithic temperature-insensitive high- <i>Q</i> Ta <sub>2</sub> O <sub>5</sub> microdisk resonator
Monolithic temperature-insensitive high- <i>Q</i> Ta <sub>2</sub> O <sub>5</sub> microdisk resonator Open
We demonstrate a temperature-insensitive high- Q tantalum oxide (Ta 2 O 5 ) microdisk resonator fabricated using electron-beam lithography and inductively coupled plasma reactive-ion etching. The microdisks exhibit a loaded Q -factor of 4.…
View article: Development of a Kerr-lens mode-locked Cr:ZnS laser and a nonlinear frequency conversion stage for broadband mid-infrared spectroscopy
Development of a Kerr-lens mode-locked Cr:ZnS laser and a nonlinear frequency conversion stage for broadband mid-infrared spectroscopy Open
The detection of diseases by a quick measurement of a sample of breath or blood would provide a minimal invasive and valuable method for medical diagnostics. Broadband and coherent mid-infrared sources could enable the sensitive detection …
View article: Gallium Arsenide-Gallium Aluminum Arsenide Distributed Feedback and Distributed Bragg Reflector Lasers
Gallium Arsenide-Gallium Aluminum Arsenide Distributed Feedback and Distributed Bragg Reflector Lasers Open
This work describes theoretical and experimental studies of GaAs/GaAlAs distributed feedback and distributed Bragg reflector lasers. These lasers are strong candidates as the light source in integrated optical circuits and optical communic…
View article: Unraveling the Ultrafast Carrier Dynamics and Lasing Pathways in 2D Tin Halide Perovskites
Unraveling the Ultrafast Carrier Dynamics and Lasing Pathways in 2D Tin Halide Perovskites Open
Tin‐based 2D metal halide perovskites have emerged as promising solution‐processable semiconductors with superior optoelectronic properties, high tunability, and non‐toxicity. Notably, they exhibit efficient and stable lasing with reduced …
View article: High-gain optical amplification and lasing from erbium-doped single-crystal films epitaxially grown on silicon
High-gain optical amplification and lasing from erbium-doped single-crystal films epitaxially grown on silicon Open
On-chip erbium-doped optical amplifiers and lasers are essential for realizing fully integrated active silicon photonic circuits, but their performance has been limited by the low gain of amorphous host materials and the difficulty of dire…
View article: High-gain optical amplification and lasing from erbium-doped single-crystal films epitaxially grown on silicon
High-gain optical amplification and lasing from erbium-doped single-crystal films epitaxially grown on silicon Open
On-chip erbium-doped optical amplifiers and lasers are essential for realizing fully integrated active silicon photonic circuits, but their performance has been limited by the low gain of amorphous host materials and the difficulty of dire…
View article: Heterogeneously-integrated lasers on thin film lithium niobate
Heterogeneously-integrated lasers on thin film lithium niobate Open
We demonstrate a versatile heterogeneous integration platform unifying III–V gain with thin-film lithium niobate (TFLN) photonic circuits to create high-performance lasers with integrated functionality. This breakthrough overcomes the crit…
View article: On-chip laser emission from a 2-μm-thick Er³+ -doped lithium niobate on insulator
On-chip laser emission from a 2-μm-thick Er³+ -doped lithium niobate on insulator Open
View article: A Review on the Laser Diode
A Review on the Laser Diode Open
Similar to a light-emitting diode, a laser diode (LD), sometimes injection laser diode, ILD, semiconductor laser, or diode laser is a semiconductor device that can produce lasing conditions at its junction when a diode is directly pumped w…
View article: LASERTERAPIA: REVISÃO BIBLIOGRÁFICA ACERCA DE SUA APLICABILIDADE NA ODONTOPEDIATRIA
LASERTERAPIA: REVISÃO BIBLIOGRÁFICA ACERCA DE SUA APLICABILIDADE NA ODONTOPEDIATRIA Open
Na maioria das vezes, os procedimentos odontopediátricos apresentam-se como desafios para o cirurgião dentista e podem acarretar em traumas para o paciente infanto juvenil. Dessa forma, os lasers se apresentam como instrumentos modernos e …
View article: Accelerated Coupled Mode Model for Fiber Laser Amplifiers as an Averaged Dynamical System
Accelerated Coupled Mode Model for Fiber Laser Amplifiers as an Averaged Dynamical System Open
We apply a known theorem for simplifying dynamical systems with bounded error to a specific optical fiber waveguide problem, supplementing the physical intuition and heuristics used in the optics community with proper mathematical justific…
View article: Comparison of laser system designs for quantum technologies: BECCAL flight system vs. BECCAL ground test bed
Comparison of laser system designs for quantum technologies: BECCAL flight system vs. BECCAL ground test bed Open
We present the design of laser systems for the Bose-Einstein Condensate and Cold Atom Laboratory (BECCAL) payload, enabling numerous quantum technological experiments onboard the International Space Station (ISS), in particular dual specie…
View article: Dynamic of quantum Cascade Laser
Dynamic of quantum Cascade Laser Open
This study aimed to provide advanced analysis of the emission characteristics of a quantum cascade laser (QCL) by developing a comprehensive mathematical model. The model focused on simulating the dynamics of carriers (electric charges) wi…
View article: A 360° Continuous Tuning Voltage-Controlled Phase Shifter for Laser Frequency Locking Systems in Optical Frequency Standards
A 360° Continuous Tuning Voltage-Controlled Phase Shifter for Laser Frequency Locking Systems in Optical Frequency Standards Open
This paper presents a voltage-controlled phase shifter (VCPS) capable of 360° continuous adjustment, applied in laser frequency-locking systems to obtain maximum amplitude error signals with minimal dispersion. The phase-shifting unit is r…
View article: FMCW LiDAR with a GaN-based distributed feedback laser diode at 466 nm
FMCW LiDAR with a GaN-based distributed feedback laser diode at 466 nm Open
Frequency-modulated continuous-wave (FMCW) LiDAR requires a visible narrow-linewidth laser capable of a wide linear chirp for operations in underwater environments. To this end, we evaluated a GaN-based 466 nm distributed feedback laser di…
View article: Electrically Pumped Terahertz Frequency Comb Based on Actively Mode-locked Resonant Tunneling Diode
Electrically Pumped Terahertz Frequency Comb Based on Actively Mode-locked Resonant Tunneling Diode Open
Terahertz (THz) frequency combs (TFCs) are promising for numerous applications in spectroscopy, metrology, sensing, and wireless communications. However, the practical applications of TFCs have been hindered thus far by the need for cryoge…
View article: The Study on the Aluminium Gallium Indium Phosphide Laser
The Study on the Aluminium Gallium Indium Phosphide Laser Open
The aluminium gallium indium phosphide laser is a variant of the visible-light diode laser. Red and green wavelengths of electromagnetic radiation are emitted by visible diode lasers. The p-n junction serves as the active medium in the sem…
View article: Automated Setup for Duty Cycle and Optical Power Correction in Lasers with External Electrical Modulation
Automated Setup for Duty Cycle and Optical Power Correction in Lasers with External Electrical Modulation Open
Lasers with external electrical modulation are widely used in optical systems, but the generation of well-defined pulses often suffers from distortions in duty cycle and top optical power at high frequencies. This work addresses this limit…
View article: Predicting premature failure of quantum cascade lasers with different quantum designs using active machine learning
Predicting premature failure of quantum cascade lasers with different quantum designs using active machine learning Open
Mid-infrared quantum cascade lasers are crucial for a variety of applications, including fundamental research, industry, and homeland security. While laser lifetimes can exceed 100,000 hours, there is an initial period of premature failure…
View article: Bidirectional Modeling of Reflection-Induced Gain and Noise Dynamics in Semiconductor Optical Amplifiers
Bidirectional Modeling of Reflection-Induced Gain and Noise Dynamics in Semiconductor Optical Amplifiers Open
View article: An Overview on the Plasmonic Laser
An Overview on the Plasmonic Laser Open
A spaser or plasmonic laser aims to confine light at a subwavelength scale well below Rayleigh's diffraction limit of light by storing part of the light energy in electron oscillations called surface plasmon polaritons.[22] [23] [24] [25][…
View article: Strongly oversized “three-dimensional” Bragg resonators of planar geometry for effective mode selection in high-power free-electron lasers from sub-THz to THz band
Strongly oversized “three-dimensional” Bragg resonators of planar geometry for effective mode selection in high-power free-electron lasers from sub-THz to THz band Open
A novel scheme of Bragg resonators is proposed that implements three-dimensional (3D) scattering of wave-fluxes. The electrodynamic characteristics of resonators of this type have been studied within the framework of the coupled wave metho…
View article: Finite-size effects in photonic-crystal surface-emitting lasers - critical discussion of different approximations
Finite-size effects in photonic-crystal surface-emitting lasers - critical discussion of different approximations Open
View article: Analysis of pyramid-structured laser retro-reflector array and laser ranging experiment
Analysis of pyramid-structured laser retro-reflector array and laser ranging experiment Open
View article: Four-Sided Symmetrical Transversely Pumped Model for Diode-Pumped Rare Gas Lasers
Four-Sided Symmetrical Transversely Pumped Model for Diode-Pumped Rare Gas Lasers Open
Diode-pumped rare gas lasers (DPRGLs) have attracted significant attention as potential high-power laser sources. This paper proposes a four-sided transverse pumping scheme to address the energy concentration degree limitations in existing…
View article: Mode-Matched Resonant Excitation of a Nanowire Quantum Dot in a Nanophotonic Waveguide
Mode-Matched Resonant Excitation of a Nanowire Quantum Dot in a Nanophotonic Waveguide Open
Nanowire-based quantum dots as sources of single photons are promising candidates for the implementation of quantum photonic technologies. Achieving coherent control of these sources is essential for generating indistinguishable single pho…
View article: High-Speed VCSEL Arrays Enabled by Monolithic High-Index-Contrast Gratings
High-Speed VCSEL Arrays Enabled by Monolithic High-Index-Contrast Gratings Open
View article: Design of broadband optical gain in GaSb-based heterostructures with asymmetric quantum wells
Design of broadband optical gain in GaSb-based heterostructures with asymmetric quantum wells Open