Integrated optical transceiver based on III-V microdisk laser and photodiode
Kryzhanovskaya N., Moiseev E., Dragunova A., Zhukov A., Maximov M. V., Mintairov S. A., Kalyuzhnyy N. A., Zubov F. I., Kulagina M. M., Guseva J. A., Likhachev A. I.
ST. PETERSBURG STATE POLYTECHNICAL UNIVERSITY JOURNAL. PHYSICS AND MATHEMATICS. 9th International School and Conference on Optoelectronics, Photonics, Engineering and Nanostructures (SPb OPEN – 2022)
Issue 3.3. , St. Petersburg : Федеральное государственное автономное образовательное учреждение высшего образования "Санкт-Петербургский политехнический университет Петра Великого", 2022
Dynamic characteristics and noise modelling of directly modulated quantum well-dots microdisk lasers on silicon
, , et al., Laser Physics Letters 2022 Vol. 19 No. 2 Article 025801
The small-signal amplitude modulation, threshold, and spectral characteristics of microdisk lasers with InGaAs/GaAs quantum well-dots active region were studied jointly with the spectral and threshold parameters of edge-emitting lasers made from the same epitaxial heterostructure. Using the obtained material parameters, the relative intensity noise of the microdisk lasers was calculated as a function of the ...
Added: February 28, 2022
, , et al., , in : ST. PETERSBURG STATE POLYTECHNICAL UNIVERSITY JOURNAL. PHYSICS AND MATHEMATICS. 9th International School and Conference on Optoelectronics, Photonics, Engineering and Nanostructures (SPb OPEN – 2022). Issue 3.3.: St. Petersburg : Федеральное государственное автономное образовательное учреждение высшего образования "Санкт-Петербургский политехнический университет Петра Великого", 2022. P. 163-166.
In this work we study characteristics of the III-V microdisk lasers bonded onto silicon board. The bonding of microdisk lasers to the silicon substrate reduces their thermal resistance. Here we show improvement in output power, lasing threshold, dynamic characteristics and energy consumption in microdisk lasers with diameters of 31 μm and 19 μm by comparison of the characteristics obtained ...
Added: December 30, 2022
Температурные зависимости излучательного и безызлучательного времени жизни носителей в квантовых яма-точках InGaAs
, , et al., Физика и техника полупроводников 2022 Т. 56 № 10 С. 993-996
Методами спектроскопии фотолюминесценции в непрерывном режиме и с разрешением по времени исследована гетероструктура с квантовыми яма-точками InGaAs/GaAs в диапазоне температур 10-300 K. Полученное время спада ФЛ разделено на излучательную и безызлучательную составляющие времени жизни носителей заряда. Обнаружено, что излучательное время жизни демонстрирует экспоненциальный рост с увеличением температуры, в то время как температурная зависимость безызлучательного времени ...
Added: January 4, 2023
Быстродействующие фотодетекторы оптического диапазона 950-1100 nm на основе In0.4Ga0.6As/GaAs-наноструктур квантовая яма-точки
, , , Письма в Журнал технической физики 2020 Т. 46 № 24 С. 11-14
High-speed photodetectors based on InGaAs / GaAs quantum well-dots nanostructures are investigated with frontal and edge input of radiation. Photodetector with 40 rows of quantum well-dots demonstrated a spectral sensitivity up to 0.4 A / W in the range 900–1100 nm at a bias of –5 V. The decay time constant of the pulse response of a ...
Added: October 30, 2020
, , et al., Journal of Physics: Conference Series 2018 Vol. 1124 No. 5 P. 051007
Lasing of optically pumped semiconductor microdisks immersed in aqueous medium is demonstrated for the first time. Microlasers containing quantum dot active region were placed into the transparent polydimethylsiloxane chamber filled with distilled water at room temperature. The spectral and threshold characteristics of the lasers are compared in both air and aqueous environments. We suppose that ...
Added: December 9, 2020
, , et al., IEEE Journal of Quantum Electronics 2023 Vol. 59 No. 1 Article 2000108
We discuss the origin of optical losses in microdisk lasers with a dense array of InGaAs quantum dots in the active region. In particular, we study the effect of microlaser diameter D variation from 15 to 200 μm on optical losses of different nature. A strong dependence of the lasing wavelength on the diameter is observed: the blue-shift with decreasing ...
Added: January 26, 2023
Анализ методов выделения контуров объектов при обработке изображений печатного узла в системах контроля качества автоматической оптической инспекции
, , , Качество. Инновации. Образование 2015 № 9 С. 17-24
This article describes a study of the basic tasks of image processing in the field of quality control of printed circuit assemblies during the production of electronic equipment in the automatic optical inspection systems. In particular, a system which is based on the principle of defect detection using comparative analysis of the three-dimensional model of ...
Added: April 26, 2016
, , et al., Photonics Research 2019 Vol. 7 No. 6 P. 664-668
GaAs-based microdisk lasers with an active region representing a dense array of indium-rich islands (InGaAs quantum well-dots) were studied using direct small-signal modulation. We demonstrate that using dense arrays of InGaAs quantum well-dots enables uncooled high-frequency applications with a GHz-range bandwidth for microdisk lasers. A maximum 3 dB modulation frequency of 5.9 GHz was found in the ...
Added: December 9, 2020
, , et al., St. Petersburg Polytechnical University Journal: Physics and Mathematics 2022 Vol. 15 No. 3.3 P. 163-166
In this work we study characteristics of the III-V microdisk lasers bonded onto silicon board. The bonding of microdisk lasers to the silicon substrate reduces their thermal resistance. Here we show improvement in output power, lasing threshold, dynamic characteristics and energy consumption in microdisk lasers with diameters of 31 μm and 19 μm by comparison ...
Added: March 14, 2023
, , et al., , in : Integrated Optics: Design, Devices, Systems and Applications VI. Vol. 11775.: Washington : SPIE, 2021. Ch. 117750P. P. 75-79.
A method of hybrid integration of quantum dot microdisk lasers with silicon wafer is proposed and realized. In addition to the possibility of combining microlasers with various silicon-based electronic and photonic devices, this makes it possible to significantly improve heat removal from the active region of the microlaser. The thermal resistance normalized to the mesa area reaches the ...
Added: August 30, 2021
, , et al., Optics Letters 2021 Vol. 46 No. 16 P. 3853-3856
We study the impact of improved heat removal on the performance of InGaAs/GaAs microdisk lasers epi-side down bonded onto a silicon substrate. Unlike the initial characteristics of microlasers on a GaAs substrate, the former’s bonding results in a decrease in thermal resistance by a factor of 2.3 (1.8) in microdisks with a diameter of 19 (31) m, attributed to a thinner ...
Added: August 30, 2021
, , et al., Laser Physics 2022 Vol. 32 No. 12 Article 125802
Half-disk lasers fabricated by cleaving initial full-disk lasers have an advantage of directional light outcoupling as well as increased output power and efficiency as compared to full-disk lasers of the same diameter. The continuous wave output power of a 200 µm diameter half-disk laser exceeds 70 mW. Quasi single-mode lasing with a high side-mode suppression ratio ...
Added: December 13, 2022
, , et al., , in : ST. PETERSBURG STATE POLYTECHNICAL UNIVERSITY JOURNAL. PHYSICS AND MATHEMATICS. 9th International School and Conference on Optoelectronics, Photonics, Engineering and Nanostructures (SPb OPEN – 2022). Issue 3.3.: St. Petersburg : Федеральное государственное автономное образовательное учреждение высшего образования "Санкт-Петербургский политехнический университет Петра Великого", 2022. P. 167-170.
We present an investigation of optical coupling of injection microdisk and microring lasers with different diameters with a tapered fiber. We studied the dependences of the laser dominant mode intensity on the distance between the tapered fiber and the microlaser’s sidewall. For every studied laser a sharp intensity growth by 2–3 orders of magnitude was observed when the tapered ...
Added: December 30, 2022
, Качество. Инновации. Образование 2016 № 5 С. 42-46
The article discusses the optimization problem of small-scale production of electronic equipment in the field of quality control of surface mount printed circuit boards. Explores the possibility of developing devices with a minimal set means for fixing the defects of the printhead and with the maximum efficiency of the inspection. The text describes the algorithm for ...
Added: October 5, 2016
Temperature stability of small-signal modulation response of WGM microlasers with InGaAs/GaAs quantum well-dots in the active region
, , et al., , in : 8th International School and Conference "Saint Petersburg OPEN 2021" on Optoelectronics, Photonics, Engineering and Nanostructures, SPbOPEN 2021. : Institute of Physics Publishing (IOP), 2021. Ch. 012082.
Added: October 26, 2022
, , et al., Journal of Applied Physics 2018 Vol. 124 No. 16 P. 163102
High-index dielectric (Si) nanoantennas providing outcoupling of light from InAs/Ga(Al)As quantum dot (QD) microdisk lasers have been designed. The spatial distribution of light emitted from optically pumped QD microdisk lasers with a single Si spherical nanoantenna placed on the top surface of the microdisk was studied experimentally by confocal optical microscopy. Dependences of the emission ...
Added: December 9, 2020
, , et al., Journal of Physics D: Applied Physics 2021 Vol. 54 Article 453001
Semiconductor whispering-gallery-mode (WGM) microresonators are promising candidates for creating compact, energy-efficient light sources (microlasers) for various applications owing to their small footprints, high Q factors, planar geometry, in-plane light emission, and high sensitivity to the environment. In this review we present the most recent advances in III–V microdisk/microring lasers. We briefly describe basic physics behind photonic WGM resonators and discuss ...
Added: September 3, 2021
, , et al., Laser Physics Letters 2022 Vol. 19 No. 1 Article 016201
Characteristics of a compact III–V optocoupler heterogeneously integrated on a silicon substrate and formed by a 31 μm in diameter microdisk (MD) laser with a closely-spaced 50 μm × 200 μm waveguide photodetector are presented. Both optoelectronic devices were fabricated from the epitaxial heterostroctructures with InGaAs/GaAs quantum well-dot layers. The measured dark current density of the photodetector was as ...
Added: December 2, 2021
, , et al., Optics and Laser Technology 2021 Vol. 143 Article 107301
Fluorescence imaging of single quantum light emitters (atoms, molecules, quantum dots, color centers in crystals) is an inherent experimental problem of modern photonics and its numerous applications. In these measurements, highly sensitive cameras are of the key significance. Recent progress in technologies of chargecoupling devices (CCD) and complementary metal-oxide semiconductor (CMOS) sensors opens up possibilities for detection of extreme ...
Added: October 16, 2021
, , et al., Journal of Physics: Conference Series 2018 Vol. 1124 No. 5 P. 051031
We performed a numerical study of optical whispering gallery modes in microdisk resonators modified via their embedding in a homogeneous dielectric surrounding or covering with a thin dielectric layer. Mode spectra and electromagnetic field distributions were calculated through the solution of the Helmholtz equation using COMSOL Multiphysics environment. It is shown that the modification results ...
Added: December 9, 2020
, , et al., Journal of Luminescence 2023 Vol. 255 Article 119620
The paper presents the results of a study of dynamic properties of InGaAs quantum well-dots (QWD) embedded in a GaAs matrix carried out by time-resolved photoluminescence (TRPL) in the temperature range of 10–300 K. The time dependence of the PL shows a long region of constant signal intensity. It was attributed to the filling of ...
Added: December 24, 2022
The International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMWTHz), begun in 1974, is the oldest and largest continuous forum specifically devoted to the field of ultra-high frequency electronics and applications. In 2004 the original conference series – International Conference on Infrared and Millimeter Waves (IRMMW) joined up with the International Conference on THz Electronics ...
Added: October 25, 2022
Dielectric surrounding bleaches the optical bond between a microdisk resonator and a straight optical waveguide
, , et al., Journal of Physics: Conference Series 2020
We performed a numerical study of a surrounding medium influence on coupling efficiency between a microdisk resonator supporting optical whispering gallery modes and a straight optical waveguide. Quality factors of the modes and relative optical power coupled to the waveguide were calculated using COMSOL Multiphysics environment. It was shown that the most efficient coupling takes ...
Added: December 7, 2020
, , et al., Journal of the Optical Society of America B: Optical Physics 2019 Vol. 36 No. 8 P. 2285-2291
Microdisk lasers having III-V core coated with TiO2 shell are studied under optical pumping. Initial core microdisk lasers with 5-10 µm diameter comprising five layers of InAs/In0.15Ga0.85As quantum dots demonstrate room temperature lasing with excellent characteristics at the ground state optical transition in the 1.28-1.30 µm spectral range. Deposition of the TiO2 dielectric shell results ...
Added: October 1, 2020