Výsledky vyhledávání - "Ryvkin, B. S."

Solid-state block-based pulsed laser illuminator for single-photon avalanche diode detection-based time-of-flight 3D range imaging

Autor: Jahromi, S. S. (Sahba S.), Jansson, J.-P. (Jussi-Pekka), Keränen, P. (Pekka), Avrutin, E. A. (Eugene A.), Ryvkin, B. S. (Boris S.), Kostamovaara, J. T. (Juha T.)

A laser diode illuminator for single-photon avalanche diode detection-based pulsed time-of-flight 3D range imaging is presented. The illuminator supports a block-based illumination scheme and consists of a 16-element custom-designed common anode quan

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2423::72e22ce9c6387202f302843e08d7d58b
http://urn.fi/urn:nbn:fi-fe2021081343204

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>25 W pulses from 1.5 µm double-asymmetric waveguide, 100 µm stripe laser diode with bulk active layer

Autor: Hallman, L. W. (L. W.), Ryvkin, B. S. (B. S.), Avrutin, E. A. (E. A.), Kostamovaara, J. T. (J. T.)

The experimental characterization of a high-power pulsed semiconductor laser operating in the eye-safe spectral range (wavelength around 1.5 𝜇m), with an asymmetric waveguide structure, a 100 𝜇m wide stripe, and a bulk active layer positioned v

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2423::a718250c4a3440e9e0acb5902f049a9b
http://urn.fi/urn:nbn:fi-fe2022013111296

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AlGaAs/GaAs asymmetric-waveguide, short cavity laser diode design with a bulk active layer near the p-cladding for high pulsed power emission

Autor: Avrutin, E. A. (Eugene A.), Ryvkin, B. S. (Boris S.), Kostamovaara, J. T. (Juha T.)

It is shown theoretically that a GaAs/AlGaAs laser diode design using an asymmetric waveguide structure and a bulk active layer (AL), located close to the p-cladding, can provide high output power in a single, broad transverse mode for short-waveleng

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2423::2b2ece7e0645511321790763691c0c63
http://urn.fi/urn:nbn:fi-fe2021090745285

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Asymmetric-waveguide, short cavity designs with a bulk active layer for high pulsed power eye-safe spectral range laser diodes

Autor: Ryvkin, B. S. (Boris S.), Avrutin, E. A. (Eugene A.), Kostamovaara, J. T. (Juha T.)

It is shown, by calculations calibrated against the authors’ recent experimental data, that an eye-safe wavelength range InGaAsP/InP high pulsed power laser design using a bulk active layer, which has a large refractive index step with respect to t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2423::27beaed69f4a31b7c5a28ae694bbc52e
http://urn.fi/urn:nbn:fi-fe2020091869989

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High power 1.5 μm pulsed semiconductor laser design with a bulk active layer and an asymmetric waveguide

Autor: Ryvkin, B. S. (Boris S.), Avrutin, E. A. (Eugene A.), Hallman, L. W. (Lauri W.), Kostamovaara, J. T. (Juha T.)

InGaAsP/InP high pulsed power lasers operating in the range of 1.3–1.6 μm have been intensely studied recently, with LIDAR technology being the primary application. We present and analyse a design with a bulk active layer which has a large refract

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2423::70cbad000f0254d5778d71fbc72da019
http://urn.fi/urn:nbn:fi-fe2020111890942

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High-power 1.5μm laser diodes for LIDAR applications

Autor: Viheriälä, J. (Jukka), Aho, A. T. (Antti T.), Uusitalo, T. (Topi), Lyytikäinen, J. (Jari), Hallman, L. (Lauri), Ryvkin, B. S. (Boris S.), Avrutin, E. A. (Eugene A.), Kostamovaara, J. T. (Juha T.), Guina, M. (Mircea)

We report on the development of high peak power laser diodes emitting in the 1.5μm wavelength band for eye-safe LIDAR applications. Different techniques for wavelength locking to and operation with a narrow emission spectrum are discussed. Furthermo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2423::565c1f4a53665a4e99194c5540cc3831
http://urn.fi/urn:nbn:fi-fe2020062545671

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Double-asymmetric-structure 1.5 μ m high power laser diodes

Autor: Hallman, L. (Lauri), Ryvkin, B. S. (Boris S.), Avrutin, E. A. (Eugene A.), Aho, A. T. (Antti T.), Viheriälä, J. (Jukka)

Design considerations for high pulsed power and brightness 1.5 μm laser emitters for laser radar applications, based on comprehensive semi-analytical theory, are presented. A strongly asymmetric waveguide design with a bulk active layer positioned v

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2423::16b6b0aaca1d65baf65609602f55f419
http://urn.fi/urn:nbn:fi-fe2020062545665

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Effect of spatial hole burning on output characteristics of high power edge emitting semiconductor lasers:a universal analytical estimate and numerical analysis

Autor: Avrutin, E. A. (Eugene A.), Ryvkin, B. S. (Boris S.)

The effect of longitudinal spatial hole burning on the performance of a semiconductor laser with a strongly asymmetric resonator is investigated numerically. The effects of spatial hole burning on, firstly, the non-stimulated recombination in the las

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2423::c02d1126cb7b69047d1e2e3ff963069c
http://urn.fi/urn:nbn:fi-fe2019040911659

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High power 1.5 μm pulsed laser diode with asymmetric waveguide and active layer near p-cladding

Autor: Hallman, L. W. (Lauri W.), Ryvkin, B. S. (Boris S.), Avrutin, E. A. (Eugene A.), Aho, A. T. (Antti T.), Viheriälä, J. (Jukka), Guina, M. (Mircea), Kostamovaara, J. T. (Juha T.)

We report first experimental results on a high-power pulsed semiconductor laser operating in the eye-safe spectral range (wavelength around 1.5 μm) with an asymmetric waveguide structure. The laser has a bulk active layer positioned very close to th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2423::6be37b52db7b9b0de42e446006cfa487
http://urn.fi/urn:nbn:fi-fe202001071213

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