Tunable dye laser applications in environment pollution monitoring

Pascu, Mihail-Lucian; Moise, Nicolae; Staicu, Angela

doi:10.1016/s0022-2860(01)00805-5

Cited by 15 publications

(8 citation statements)

References 3 publications

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“…In fact, lasers that span the full visible spectrum, particularly the red, green and blue (RGB) colours, are particularly useful for laser lighting 10,11 , fullcolour laser imaging and display 12,13 , biological and chemical sensing 14,15 , as well as on-chip wavelength-division multiplexing 16,17 . As an illuminant, lasers offer higher energy conversion efficiencies and potentially higher output powers than white light-emitting diodes (LEDs) and other traditional illuminants.…”

mentioning

confidence: 99%

A monolithic white laser

et al. 2015

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Monolithic semiconductor lasers capable of emitting over the full visible-colour spectrum have a wide range of important applications, such as solid-state lighting, full-colour displays, visible colour communications and multi-colour fluorescence sensing. The ultimate form of such a light source would be a monolithic white laser. However, realizing such a device has been challenging because of intrinsic difficulties in achieving epitaxial growth of the mismatched materials required for different colour emission. Here, we demonstrate a monolithic multi-segment semiconductor nanosheet based on a quaternary alloy of ZnCdSSe that simultaneously lases in the red, green and blue. This is made possible by a novel nanomaterial growth strategy that enables separate control of the composition, morphology and therefore bandgaps of the segments. Our nanolaser can be dynamically tuned to emit over the full visible-colour range, covering 70% more perceptible colours than the most commonly used illuminants.

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confidence: 99%

A monolithic white laser

et al. 2015

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“…The multiwavelength output is crucial for the applications of micro/nanolasers in laser display, multichannel detection, and multiband communication . The simplest way to obtain multiwavelength micro/nanolasers is by introducing multiple kinds of laser dyes into the same one optical microcavity .…”

Section: Multiwavelength Lasersmentioning

confidence: 99%

Controlling the Output of Organic Micro/Nanolasers

Dong

Zhang

Zhao

2019

Advanced Optical Materials

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Organic micro/nanolasers hold a promising potential in advancing the fields of photonics and optoelectronics. Recently, great progress has been made in designing and controlling the output characteristics of organic micro/nanolasers, which significantly expands the capabilities and improves the performance of micro/nanolasers. In this Progress Report, the design philosophy, research progress, and further research directions in manipulating the output behaviors of organic micro/nanolasers are presented. A brief introduction to the fundamentals of the organic micro/nanolasers is given with an emphasis on the basic principle for laser output control. Various organic micro/nanolasers with desired output are discussed in detail, including wavelength tunable lasers, multiwavelength lasers, mode controllable lasers, and directional lasers. Special emphasis is put on gaining insight into the structure–property relationship in the controllable organic micro/nanolasers. Finally, future research directions and challenges toward more advanced control strategies of organic micro/nanolasers are provided to give an outlook on this emerging field.

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“…Monolithically integrated multi-color lasers in the visible spectral region or white lasers are expected to find a wide range of applications, such as full colour high definition displays 1 – 6 , next generation vehicle headlighting, biosensors 7 , 8 , visible light communications or even lighting 9 , etc. A number of approaches have been proposed in order to achieve white lasers.…”

Section: Introductionmentioning

confidence: 99%

Monolithically multi-color lasing from an InGaN microdisk on a Si substrate

Athanasiou

Smith

Pugh

et al. 2017

Sci Rep

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An optically pumped multi-color laser has been achieved using an InGaN/GaN based micro-disk with an undercut structure on a silicon substrate. The micro-disk laser has been fabricated by means of a combination of a cost-effective microsphere lithography technique and subsequent dry/wet etching processes. The microdisk laser is approximately 1 μm in diameter. The structure was designed in such a way that the vertical components of the whispering gallery (WG) modes formed can be effectively suppressed. Consequently, three clean lasing peaks at 442 nm, 493 nm and 522 nm have been achieved at room temperature by simply using a continuous-wave diode laser as an optical pumping source. Time–resolved micro photoluminescence (PL) measurements have been performed in order to further confirm the lasing by investigating the excitonic recombination dynamics of these lasing peaks. A three dimensional finite-difference-time-domain (FDTD) simulation has been used for the structure design.

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Tunable dye laser applications in environment pollution monitoring

Cited by 15 publications

References 3 publications

A monolithic white laser

A monolithic white laser

Controlling the Output of Organic Micro/Nanolasers

Monolithically multi-color lasing from an InGaN microdisk on a Si substrate

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