Results 71 to 80 of about 807 (182)
Electronics LettersThe authors demonstrate a large‐area vertical‐cavity surface‐emitting laser (VCSEL) 25 × 35 array on a p‐type GaAs substrate with an emission wavelength of ∼940 nm and optical output power > 1 W, using an inverted junction (n‐up) epitaxial structure for ...
Yong Gyeong Lee +6 more
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Near-field measurement and four-wave mixing in single-polarization elliptical multimode VCSELs
JPhys PhotonicsWe investigate the impact of transverse mode coupling caused by four-wave mixing (FWM) in elliptical multimode vertical cavity surface emitting lasers (VCSELs) with polarization control.
Cristina Rimoldi +5 more
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Coherence engineering of VCSELs via eccentric annular cavity design for speckle-free imaging and ultrafast random number generation [PDF]
APL PhotonicsCoherence engineering of vertical-cavity surface-emitting lasers (VCSELs) is a powerful means to explore advanced light–matter interactions and manipulate optical dynamics, such as speckle-free imaging and random number generation (RNG) using broadband ...
Wenbo Yan +7 more
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IEEE Photonics JournalVertical-cavity surface-emitting lasers (VCSELs) with monolithic high contrast gratings (MHCGs) as top coupling mirrors are highly attractive nanophotonic components with manyfold application prospects due to their small size footprint, energy efficiency,
Niels Heermeier +6 more
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IEEE Photonics Journal, 2013 Time-delay (TD) signature performances of polarization-resolved chaos outputs from two mutually coupled vertical-cavity surface-emitting lasers (MC VCSELs) are investigated through detailed simulations by means of self-correlation function (SF) and ...
Zhu-Qiang Zhong +3 more
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Zanco Journal of Pure and Applied Sciences, 2019 Vertical-cavity surface emitting lasers (VCSELs) are interesting devices because of their low-cost manufacturing and testing methods, circularly shaped output beam for high coupling efficiency and suited for use in fiber-optic networks and as optical ...
Faten Adel Ismael Chaqmaqchee
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High-Power Emission via Large-Area VCSELs With Single High-Order Mode Operation
IEEE Photonics JournalIn this work we investigate patterned large-active area AlGaAs vertical-cavity surface-emitting lasers (VCSELs) targeting high-power single-transverse-mode emission.
Valerio Torrelli +5 more
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Reconfigurable Millimeter-Wave Generation via Mutually Injected Spin-VCSELs
PhotonicsWe propose a novel scheme for generating high-frequency millimeter-wave signals by exploiting period-one (P1) dynamics in a mutual injection configuration of two spin-polarized vertical-cavity surface-emitting lasers (spin-VCSELs).
Yichuan Xiong +4 more
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Efficient scaling of VCSELs to wavelength dimensions via lithographically defined cavities
JPhys PhotonicsThe miniaturization of lasers is critical for on-chip optical communication and high-speed data processing beyond the limits of electronics and current high-speed lasers.
Abdulmalik Abdulkadir Madigawa +2 more
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