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Solution-processed nanographene distributed feedback lasers [PDF]
Nature Communications, 2019 Chemically synthesized graphene nanosheets offer device design flexibility and improved optoelectronic performance. Here, the authors report solution-processed distributed feedback lasers with graphene nanosheets as active media having linewidths
Víctor Bonal +10 more
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Effect of Linewidth on the Relative Intensity Noise in Random Distributed Feedback Raman Fiber Lasers [PDF]
Sensors, 2022 We experimentally explore the relation between spectral linewidth and RIN transfer in half-open cavity random distributed feedback Raman lasers, demonstrating for the first time the possibility of adjusting the pump-to-signal RIN transfer intensity and ...
Sergio Rota-Rodrigo +4 more
doaj +2 more sources
Mechanically Contacted Distributed-Feedback Optical Microcavity [PDF]
Nanomaterials, 2022 We report a construction of distributed-feedback (DFB) optical microcavities, which is realized through mechanical contact between a high-quality planar thin film of a polymeric semiconductor and a large-area homogeneous nanograting.
Yue Liu +4 more
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Highly Accurate Pneumatically Tunable Optofluidic Distributed Feedback Dye Lasers [PDF]
Micromachines, 2023 Optofluidic dye lasers integrated into microfluidic chips are promising miniature coherent light sources for biosensing. However, achieving the accurate and efficient tuning of lasers remains challenging.
Hongtao Feng +5 more
doaj +2 more sources
Green Perovskite Distributed Feedback Lasers. [PDF]
Sci Rep, 2017 AbstractA visible perovskite distributed feedback laser is fabricated for the first time. Through the use of nanocrystal pinning, highly luminescent methylammonium lead bromide films are used to produce stable lasers emitting at 550 nm, with a low threshold of 6 µJcm−2.
Harwell JR +3 more
europepmc +6 more sources
Two-Directional Tuning of Distributed Feedback Film Dye Laser Devices [PDF]
Micromachines, 2017 We demonstrate a two-directional tuning method of distributed feedback (DFB) film dye laser devices to achieve high quality lasing and a large tuning range. In this work, we proposed a simple method to fabricate a continuous tunable solid-state dye laser
Hongtao Feng +7 more
doaj +2 more sources
Fiber optic computing using distributed feedback [PDF]
Communications PhysicsThe widespread adoption of machine learning and other matrix intensive computing algorithms has renewed interest in analog optical computing, which has the potential to perform large-scale matrix multiplications with superior energy scaling and lower ...
Brandon Redding +5 more
doaj +2 more sources
Two-Segment Gain-Coupled Distributed Feedback Laser
IEEE Photonics Journal, 2018 A two-segment regrowth-free gain-coupled distributed feedback (DFB) laser monolithically integrated different gain contrast segments was proposed, realizing both wavelength-tunable (5 nm) and wavelength stabilization characteristics, controlled by a ...
Feng Gao +11 more
doaj +2 more sources
Heterogeneously Integrated Distributed Feedback Quantum Cascade Lasers on Silicon [PDF]
Photonics, 2016 Silicon integration of mid-infrared (MIR) photonic devices promises to enable low-cost, compact sensing and detection capabilities that are compatible with existing silicon photonic and silicon electronic technologies.
Alexander Spott +13 more
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Spectral correlations in a random distributed feedback fibre laser [PDF]
Nature Communications, 2017 The feedback mechanism in random fibre lasers has been insofar deemed incoherent. To reveal the dynamic evolution of the random fibre laser spectra, Sugavanamet al.
Srikanth Sugavanam +2 more
doaj +2 more sources