scispace - formally typeset
Search or ask a question
Topic

Supercontinuum

About: Supercontinuum is a research topic. Over the lifetime, 7071 publications have been published within this topic receiving 127671 citations.


Papers
More filters
Journal ArticleDOI
TL;DR: In this paper, the authors demonstrated that a hyper-broadband from 2m to 10m can be generated with a high spectral flatness by using a ~4 um pump and an As2Se3 photonic crystal fiber.
Abstract: For the first time, we demonstrated that a hyper-broadband from 2{\mu}m to 10{\mu}m can be generated with a high spectral flatness by using a ~4 um pump and an As2Se3 photonic crystal fiber. The broad and flat dispersion profile and the low guiding loss of the endlessly single-mode As2Se3 photonic crystal fibers combining with the high nonlinearity and wide mid-infrared transparent window of As2Se3 chalcogenide glass are essential for this high performance mid-infrared laser source.

44 citations

Journal ArticleDOI
01 Jul 2017-Optik
TL;DR: In this paper, a solid core photonic crystal fiber (PCF) with submicron air-holes was used to generate supercontinuum (SC) in visible and near-infrared regions.

44 citations

Journal ArticleDOI
TL;DR: An additional periodic phase from order/disorder alignment is proposed to meet the phase-matching condition in arbitrary nonlinear crystals and demonstrated from the visible region to the deep-ultraviolet region, which may revolutionize next-generation nonlinear photonics and their further applications.
Abstract: Nonlinear frequency conversion is a ubiquitous technique that is used to obtain broad-range lasers and supercontinuum coherent sources. The phase-matching condition (momentum conservation relation) is the key criterion but a challenging bottleneck in highly efficient conversion. Birefringent phase matching (BPM) and quasi-phase matching (QPM) are two feasible routes but are strongly limited in natural anisotropic crystals or ferroelectric crystals. Therefore, it is in urgent demand for a general technique that can compensate for the phase mismatching in universal nonlinear materials and in broad wavelength ranges. Here, an additional periodic phase (APP) from order/disorder alignment is proposed to meet the phase-matching condition in arbitrary nonlinear crystals and demonstrated from the visible region to the deep-ultraviolet region (e.g., LiNbO3 and quartz). Remarkably, pioneering 177.3-nm coherent output is first obtained in commercial quartz crystal with an unprecedented conversion efficiency above 1‰. This study not only opens a new roadmap to resuscitate those long-neglected nonlinear optical crystals for wavelength extension, but also may revolutionize next-generation nonlinear photonics and their further applications.

44 citations

Journal ArticleDOI
TL;DR: In this paper, incoherent broadband cavity enhanced absorption spectroscopy in the mid-infrared wavelength range from 3000 to 3450 nm using an all-fiber based supercontinuum source was demonstrated.
Abstract: We demonstrate incoherent broadband cavity enhanced absorption spectroscopy in the mid-infrared wavelength range from 3000 to 3450 nm using an all-fiber based supercontinuum source. Multi-component gas detection is performed, and the concentrations of acetylene and methane are retrieved with sub-ppm accuracy. A linear response to nominal gas concentrations is observed, demonstrating the feasibility of the method for sensing applications.

44 citations

Journal ArticleDOI
TL;DR: It is demonstrated how an SC source combined with a tunable filter allows high-resolution spectroscopic photoacoustic imaging and the spectroscopy of lipids in the first overtone transition band of C-H bonds (1650-1850 nm).
Abstract: We propose a cost-effective high-pulse energy supercontinuum (SC) source based on a telecom range diode laser-based amplifier and a few meters of standard single-mode optical fiber, with a pulse energy density as high as ~25 nJ/nm in the 1650-1850 nm regime (factor >3 times higher than any SC source ever used in this wavelength range). We demonstrate how such an SC source combined with a tunable filter allows high-resolution spectroscopic photoacoustic imaging and the spectroscopy of lipids in the first overtone transition band of C-H bonds (1650-1850 nm). We show the successful discrimination of two different lipids (cholesterol and lipid in adipose tissue) and the photoacoustic cross-sectional scan of lipid-rich adipose tissue at three different locations. The proposed high-pulse energy SC laser paves a new direction towards compact, broadband and cost-effective source for spectroscopic photoacoustic imaging.

44 citations


Network Information
Related Topics (5)
Photonics
37.9K papers, 797.9K citations
93% related
Photonic crystal
43.4K papers, 887K citations
92% related
Optical fiber
167K papers, 1.8M citations
92% related
Laser
353.1K papers, 4.3M citations
87% related
Plasmon
32.5K papers, 983.9K citations
87% related
Performance
Metrics
No. of papers in the topic in previous years
YearPapers
2023184
2022440
2021341
2020411
2019528
2018442