Results 41 to 50 of about 2,111 (207)
Lead halide perovskite vortex microlasers
Nature Communications, 2020 Integration of III-V semiconductor microlasers into modern Si or Si3N4 based photonic integrated circuits remains a challenge. Here, the authors demonstrate a perovskite vortex microlaser with highly directional outputs and well-controlled topological ...
Wenzhao Sun +8 more
doaj +1 more source
(Center of excellence: Microlaser microscope)
, 1992 This Center-of-Excellence grant has two components: development of an imaging system based on microlaser arrays forms a central project among a group of laser diagnostic and therapeutic efforts primarily funded outside the grant.
Webb, R.H.
core +1 more source
An Ultra-narrow-linewidth Microlaser for Nanosensing [PDF]
, 2012 We report the detection of 11.5-nm radius polystyrene beads in an aqueous environment at a signal-to-noise-ratio of 18:1 by monitoring the split frequency steps of a 5.7-KHz-linewidth microlaser.
Tong Chen +7 more
core +1 more source
Online spike-based recognition of digits with ultrafast microlaser neurons
Frontiers in Computational Neuroscience, 2023 Classification and recognition tasks performed on photonic hardware-based neural networks often require at least one offline computational step, such as in the increasingly popular reservoir computing paradigm.
Amir Masominia +3 more
doaj +1 more source
Massively Multiplexed Photonic Chip With Cross‐Channel Fusion For Harmonized Biosensing
Advanced Science, EarlyView.We introduce a transformative sensing platform integrating photonic multiplexing with over 10 000 sensors and a deep‐learning framework that combines domain adaptation and cross‐channel fusion for harmonized operation across heterogeneous chips. The platform achieves 99.3% identification accuracy and relative prediction errors of 10−4$^{-4}$ for ...
Ivan Saetchnikov +3 more
wiley +1 more source
Optical Frequency Comb Generation in Highly Nonlinear Fiber With Dual-Mode Square Microlasers
IEEE Photonics Journal, 2018 Optical frequency comb (OFC) generation based on four-wave mixing in highly nonlinear fiber (HNLF) is investigated using dual-transverse-mode square microlaser as a seed source.
Hai-Zhong Weng +6 more
doaj +1 more source
[Center of excellence: Microlaser microscope]. Annual progress report
, 1992 This Center-of-Excellence grant has two components: development of an imaging system based on microlaser arrays forms a central project among a group of laser diagnostic and therapeutic efforts primarily funded outside the grant.
Webb, R. H.
core +1 more source
Reconfigurable symmetry-broken laser in a symmetric microcavity
Nature Communications, 2020 The directional lasing emission in whispering gallery microcavities typically resorts to breaking the structure symmetry. Here the authors demonstrate a reconfigurable symmetry-broken microlaser in a symmetric ultrahigh-Q whispering gallery microcavity ...
Qi-Tao Cao +7 more
doaj +1 more source
Intracavity dynamics-based gain-assisted sensing with microtubule Raman microlaser
APL Photonics, 2023 Microcavity lasers show excellent performance as a miniaturized microsensor in various applications. However, their relatively weak power may be easily submerged in system noises and disturbed by environmental fluctuations, rendering them ineffective at ...
Mingfang Li +3 more
doaj +1 more source
Fluorene‐based blue emitters: On the path to electrically pumped organic lasers
FlexMat, EarlyView.Electrically pumped efficient operation remains unrealized, a major challenge in optoelectronics. Fluorene‐based blue‐emitting semiconductors are promising gain media, thanks to their structural tunability and favorable emission properties. This review summarizes recent advances, highlights their reliability and versatility in lasing, and outlines key ...
Yong Yan +7 more
wiley +1 more source