High power and narrow vertical divergence laser diodes with photonic crystal structure

Z Chen, A Qi, X Zhou, H Qu, J Chen… - IEEE Photonics …, 2021 - ieeexplore.ieee.org
High power and narrow vertical divergence lasers for the 980 nm wavelength range based
on the photonic crystal (PC) structure are investigated. The structure of the PC layers and the …

Transverse single-mode edge-emitting lasers based on coupled waveguides

NY Gordeev, AS Payusov, YM Shernyakov… - Optics Letters, 2015 - opg.optica.org
We report on the transverse single-mode emission from InGaAs/GaAs quantum well edge-
emitting lasers with broadened waveguide. The lasers are based on coupled large optical …

Design optimization for bright electrically-driven quantum dot single-photon sources emitting in telecom O-band

SA Blokhin, MA Bobrov, NA Maleev, JN Donges… - Optics express, 2021 - opg.optica.org
A combination of advanced light engineering concepts enables a substantial improvement
in photon extraction efficiency of micro–cavity–based single–photon sources in the telecom …

High-power high-brightness 980 nm lasers with> 50% wall-plug efficiency based on asymmetric super large optical cavity

S Zhao, A Qi, M Wang, H Qu, Y Lin, F Dong… - Optics …, 2018 - opg.optica.org
High-power high-brightness super large optical cavity laser diodes with an optimized
epitaxial structure are investigated at the wavelength of 980 nm range. The thicknesses of P …

High-power narrow-vertical-divergence photonic band crystal laser diodes with optimized epitaxial structure

L Liu, H Qu, Y Liu, Y Zhang, Y Wang, A Qi… - Applied Physics …, 2014 - pubs.aip.org
900 nm longitudinal photonic band crystal (PBC) laser diodes with optimized epitaxial
structure are fabricated. With a same calculated fundamental-mode divergence, stronger …

1060-nm Ridge Waveguide Lasers Based on Extremely Wide Waveguides for 1.3-W Continuous-Wave Emission Into a Single Mode With FWHM Divergence Angle of …

A Pietrzak, H Wenzel, P Crump, F Bugge… - IEEE Journal of …, 2012 - ieeexplore.ieee.org
Extremely large epitaxial waveguides with thickness t WG= 8.6 μm enable diode lasers with
very narrow vertical divergence angle. We demonstrate that when such designs are …

The impact of low Al-content waveguides on power and efficiency of 9xx nm diode lasers between 200 and 300 K

C Frevert, P Crump, F Bugge, S Knigge… - Semiconductor …, 2015 - iopscience.iop.org
We present results on investigations of 9xx nm, GaAs-based diode lasers with 100 μm wide,
4 mm long stripes operating at temperatures between 200 and 300 K. As temperatures are …

High-power ultralow divergence edge-emitting diode laser with circular beam

L Wang, C Tong, S Tian, S Shu, Y Zeng… - IEEE Journal of …, 2015 - ieeexplore.ieee.org
A recognized drawback of edge-emitting diode lasers is their high divergence and elliptical
beam shape since the first diode laser was demonstrated. In this paper, we demonstrated …

[PDF][PDF] Design consider⁃ ations to increase the power-efficiency of a supper-largeoptical-cavity waveguide structure diode laser

K ZHOU, LA HE, Y LI, YW HE, WC DU… - 提高超大光腔波导结构 …, 2022 - researching.cn
The considerations in the epitaxial and longitudinal design of a supper-large-optical-cavity
structure di⁃ ode laser in the 976-nm band are numerically studied and presented here …

2-W high-efficiency ridge-waveguide lasers with single transverse mode and low vertical divergence

S Zhao, Y Wang, H Qu, Y Liu, X Zhou… - IEEE Photonics …, 2017 - ieeexplore.ieee.org
We report recent developments on 980-nm single-transverse-mode ridge-waveguide (RW)
lasers with high efficiency and low-vertical divergence. RW lasers fabricated with 7-μm-wide …