The superk extenduv is a deepuv supercontinuum spectral extension unit for our superk extreme and compact supercontinuum lasers. Jun 22, 2018 we perform a detailed theoretical and experimental investigation of supercontinuum generation in largemodearea photonic crystal fibers pumped by a highenergy, highrepetition rate picosecond nd. Effective soliton fusion process at the advanced stage of. Midinfrared supercontinuum generation in optical fibers. Supercontinuum white light lasers have become a wellestablished turnkey fiberlaser technology addressing a wide range of applications from biomedicalimaging to optical device characterization, where they add value due to their unique combination of optical parameters, including an extremely wide spectral coverage from 400 nm to 2400 nm, several w of optical output power, and. Optical solitons and supercontinuum generation in a tellurite. The variation of sc is investigated by changing the fiber length, pump peak. Supercontinuum generation in microstructured silica optical fibers.
We clearly show the nonsymmetrical role of the two pump waves on the spectrum buildup and. Perhaps more interesting is the soliton dynamics involved in the supercontinuum generation, and our ability to tailor the optical. The newport supercontinuum kit is a complete solution from newport and spectraphysics designed specifically for the generation of supercontinuum with a femtosecond ti. Compared to alternatives such as fluorides and chalcogenides, tellurite fibers are more robust and can handle much higher power. Fdoct supercontinuum hsu ij, lu cw, deng cr, et al. Supercontinuum generation in optical fibers updated source code.
Supercontinuum generation in optical fibers 1st edition by j. It can be achieved in certain optical fibers, for example. The same material combination is used in the two configurations for mirscg. Supercontinuum generation in optical fibers request pdf. Supercontinuum generation in microstructured fibers and. Optical system photonic crystal fiber supercontinuum generation. Midinfrared supercontinuum generation in lowloss singlemode terich chalcogenide fiber. Osas mission is to promote the generation, dissemination, and application of knowledge in optics and photonics. Supercontinuum generation in optical fibers pdf free download. Highly birefringent dooctagonal photonic crystal fibers with ultra. Dudley in chapter 3 of the book supercontinuum generation in optical fibers edited by j.
These chipscale platforms promise to miniaturize supercontinuum. For example, with silicabased pcf, the fibers can be effectively used for coherent sc generation in the visible and nearir wavelength range, while optical fibers based on soft glasses such as tellurite, and leadbismuthgalate glass 11, 16, can support sc generation across the visible and midir range. Scgbookcode supercontinuum generation in optical fibers updated and additional source code. We conclude that we generate a supercontinuum in the important 12. This typically leads to sc sources which are limited in terms of average power due to the low damage threshold associated with soft glasses and susceptible to noise due to the.
Optical system photonic crystal fiber supercontinuum. The fact that only an oscillator with a few nj of energy is required to generate supercontinuum makes the pcfbased sources reliable, affordable and relatively simple to operate. Supercontinuum generation in helically twisted photonic. Supercontinuum generation is an inherent property of nonlinear optics.
Christian rosenberg petersen from the technical university of denmark will introduce the field of midir supercontinuum generation starting from a brief look at the history of the field, all the way from the first early demonstrations to commercialization and. Citeseerx document details isaac councill, lee giles, pradeep teregowda. It has wide application in pulse compression, coherence tomography and spectroscopy. Supercontinuum generation using microstructured optical fibers.
Broadband, highpower midinfrared midir sources are critical for many applications. Our specific aim is to use nonlinear schrodinger equation simulations to identify ways in which the rogue wave dynamics can be actively. An alternate approach pertains to supercontinuum generation in nonlinear optical fibers which could extend the spectral coverage of the ensuing optical vortex beams. Several types of microstructured optical fibers with optimized designs, have been developed during the recent years in order to enhance the supercontinuum generation. Supercontinuum generation in zblan fibersdetailed comparison. Taylor imperial college of science, technology and medicine, london. Fused silica, however, becomes highly absorbing above. In this dissertation, supercontinuum generations in sapphire fibers under various conditions are investigated, and their corresponding effects are analyzed. In this work, we have demonstrated solid tellurite fibers fabricated by a stackanddraw process and investigated their potential for broadband midir supercontinuum generation. Osa harnessing and control of optical rogue waves in. This paper provides an overview of the peculiar dispersive and nonlinear properties exhibited by these fibers, including the supercontinuum generation by femtosecond pumping. Supercontinuum generation in optical fibers shenping li, a.
Picosecond supercontinuum generation in large mode area. Highlights in this study we fabricate the tellurite optical fibers with a suspended core. This paper investigates sc generation characteristics in birefringent fibers numerically. Characteristics of supercontinuum generation in birefringent. Supercontinuum generation in optical fibers updated and additional source code. Thorlabs supercontinuum generation kits use femtowhite highly nonlinear fibers from nkt photonics to spectrally broaden femtosecond pulses near 800 nm. S up erc ontin u u m g en e r ation in o p tical f ibers the optical. Frequently, one uses photonic crystal fibers, which can be made with tailored chromatic dispersion properties and often also exhibit increased nonlinearity due to strong mode confinement. The ability to model scg in silicabased fibers has been a great benefit for developing commercial sc sources 5. Results show that the sc generation characteristic is polarization dependent. Mar 10, 2020 optical fibers have been the primary medium for supercontinuum generation for their strong confinement of pump laser light, as well as for the feasibility of chromatic dispersion engineering, which significantly simplifies matching of the nonlinear mediums optical properties to intended pump lasers, compared to nonfiber systems alfano and. Supercontinuum generation in photonics crystal fibers. We accurately study the influence of several parameters such as input power, polarization state, and fiber length.
Supercontinuum generation with photonic crystal fibers and. We report on the experimental investigation of supercontinuum generation by propagating subnanosecond pulses at both 1064 and 532 nm in a nonlinear microstructured optical fiber. Mar 02, 2020 supercontinuum sc generation towards the midinfrared mir range is an active field of research and development motivated by a wide range of applications including optical coherence tomography oct, material processing, optical sensing and absorption spectroscopy. Supercontinuum generation in optical fibers edited by j. The ability to model scg in silicabased fibers has been a great benefit for developing commercial sc sources. Midinfrared supercontinuum generation in chalcogenide fibers. Supercontinuum generation in the mir is typically achieved by propagating femtosecond pulses into the anomalous dispersion regime of a singlemode soft glass fibers. Optical fibers have been the primary medium for supercontinuum generation for their strong confinement of pump laser light, as well as for the feasibility of chromatic dispersion engineering, which significantly simplifies matching of the nonlinear mediums optical properties to intended pump lasers, compared to nonfiber systems alfano and. Supercontinuum generation in chalcogenide layered spiral. Here, we have chosen a highly nonlinear glass for its composition, the arsenic trisulfide, and we have determined its dispersion and nonlinear characteristics.
Supercontinuum sc generation towards the midinfrared mir range is an active field of research and development motivated by a wide range of applications including optical coherence tomography oct, material processing, optical sensing and absorption spectroscopy. Supercontinuum generation in nanostructured core gradient. The proposed design holds allnormal dispersion property and offers very high nonlinear coefficient at a pump wavelength of 2. Zhavoronkov, cascaded interactions between raman induced solitons and dispersive waves in photonic crystal fibers at the advanced stage of supercontinuum generation, optics express vol. Numerical investigation of supercontinuum generation through. Dispersion optimized for 1060 nm or 780 nm wavelength pumping, pure silica core, low losses. Pdf supercontinuum generation in optical fibers researchgate. Sapphire laser such as the tsunami or mai tai ultrafast oscillators. We demonstrate soliton selffrequency shift ssfs, multiple optical solitons and supercontinuum sc generation in a tellurite microstructured optical fiber tmof. Supercontinuum generation in optical fibers book, 2010. We have identified that fibers with low dispersion are beneficial and that low residual hydroxyl oh is critical for broadband midir supercontinuum generation in. By using an optical parametric oscillator opo with the pulse of.
Get tunable uv light from a robust fiber laser source with 270480 nm range and 280 w output power. We clearly show the nonsymmetrical role of the two pump waves on the spectrum buildup and the strong. Recently, broadband sc generation in optical fibers is of particular interest because of the optical fibers unique advantages in their long optical interaction. Blue extension of optical fibre supercontinuum generation. Xiange wang, zheming zhao, xunsi wang, kai jiao, zugang xue, youmei tian, peiqing zhang, xiang shen, shixun dai, and rongping wang opt. We perform a detailed theoretical and experimental investigation of supercontinuum generation in largemodearea photonic crystal fibers pumped by a highenergy, highrepetition rate picosecond nd. After a brief introduction on pulse propagation in optical fibers, we provide an overview of the different nonlinear mechanisms that lead to the generation of broadband supercontinuum spectra with. Todate, pcf generated supercontinuum has found applications in frequency comb spectroscopy, nonlinear spectroscopy, optical coherence tomography. Supercontinuum generation is a complicated nonlinear process for strong spectral broadening of light. Supercontinuum generation in scg800 photonic crystal fiber. The term supercontinuum does not cover a specific phenomenon but rather a plethora of nonlinear effect leading to considerable spectral broadening of optical pulses and.
Cambridge core electronic, optoelectronic devices, and nanotechnology supercontinuum generation in optical fibers edited by j. Rp photonics encyclopedia supercontinuum generation. In this webinar hosted by the osa fiber modeling and fabrication technical group, dr. Supercontinuum generation is the formation of broad continuous spectra through propagation of short high power pulses through nonlinear media and was first observed in 1970. Supercontinuum generation by photonic crystal fibers. Main motivation to use sapphire fibers as optical media for supercontinuum generation is that they have characteristics of good transparency in midir, high laser damage threshold. Nolan corning incorpora ted, spar021, corning, ny 14831. Supercontinuum generation by intermodal fourwave mixing in a. Design and analysis of microstructured optical fiber for.
The supercontinuum source shown is build from a nl1040 pcf pumped by a nanosecond 1064. Suspended core tellurite glass optical fibers for infrared. Sep 17, 2019 supercontinuum white light lasers have become a wellestablished turnkey fiberlaser technology addressing a wide range of applications from biomedicalimaging to optical device characterization, where they add value due to their unique combination of optical parameters, including an extremely wide spectral coverage from 400 nm to 2400 nm, several w of optical output power, and a perfect. This repository contains the matlab source code for simulating pulse propagation and supercontinuum generation in optical fiber as described by j. In many cases, optical fibers are used for supercontinuum generation. Supercontinuum generation in integrated photonics platforms. The layered spiral microstructured optical fiber lsmof design allows higher nonlinearities than the most common microstructured optical fibers. The optical fiber based supercontinuum source has recently become a significant scientific and commercial success, with applications ranging from frequency comb production to advanced medical imaging. The optical fiber based supercontinuum source has recently become a significant scientific and commercial success, with applications ranging from frequency comb production to advanced medical. The study of complex spatiotemporal dynamics of nonlinear light propagation in multimode optical fibers mmfs has recently witnessed renewed interest with the experimental demonstration of highimpact new phenomena in emerging key areas of. This page contains the original and in the future some updated matlab source code for simulating pulse propagation and supercontinuum generation in optical fiber as described by j. Visible supercontinuum generation in holey fibers by dual.
Supercontinuum generation in nanostructured core gradient index. Midinfrared supercontinuum generation in a suspendedcore. Fibers free fulltext solid tellurite optical fiber based. Low noise midinfrared supercontinuum generation in. We characterize the linear and nonlinear properties of the microstructured fibers. Supercontinuum generation in microstructured fibers and novel. We present a numerical study of the evolution dynamics of optical rogue waves, statisticallyrare extreme redshifted soliton pulses arising from supercontinuum generation in photonic crystal fiber d. We demonstrate the supercontinuum sc generation in a suspendedcore as 2 s 3 chalcogenide microstructured optical fiber mof. While optical fibers have been the workhorse of supercontinuum generation since its inception, integrated waveguide based sources of supercontinuum have become an active area of research in the twenty first century. We design the fibers for infrared supercontinuum generation. Osa serves the global community through content and events that are authoritative, accessible, and archived, and through its education, advocacy and outreach programs. Here a modified generalized coupled nonlinear schrodinger equation is used in the simulation. We compare numerically the supercontinuum generation scg phenomenon in the midinfrared mir region through asse 2 as 2 s 5 chalcogenide based optical waveguides namely photonic crystal fiber pcf and riblike structures. Supercontinuum sc generation describes the phenomenon that the output spectrum becomes much wider than the input spectrum when an ultrashort optical pulse passes through a nonlinear medium, such as bulk fused silica, photonic crystal fiber and so on.
53 284 761 962 1163 1047 309 757 688 1387 149 1019 747 1276 1294 624 214 641 260 501 71 61 163 1098 1036 641 516 35 1025 361 1540 472 1142 353 681 31 701 1061 751 333 286 422 434 80 753 74