2009
DOI: 10.1364/oe.17.002358
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Carbon nanotube films for ultrafast broadband technology

Abstract: Mode-locked sub-picosecond operation of Yb-, Er- and Tm:Hodoped fiber lasers operating at 1.05 microm, 1.56 microm and 1.99 microm, respectively, is demonstrated using the same sample carbon nanotube-based saturable absorber mirror. A mesh of single-walled carbon nanotubes was deposited on an Ag-mirror using a one-step dry-transfer contact press method to combine broadband saturable absorption and high reflectance properties. The novel fabrication method of the polymer-free absorber and device parameters deter… Show more

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Cited by 230 publications
(149 citation statements)
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“…mirror coating [64]. The polymer-free CNT layer on a highly reflective Ag mirror enabled the building of a robust and compact linear cavity laser.…”
Section: Holmium (Ho)-doped Fibre Lasersmentioning
confidence: 99%
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“…mirror coating [64]. The polymer-free CNT layer on a highly reflective Ag mirror enabled the building of a robust and compact linear cavity laser.…”
Section: Holmium (Ho)-doped Fibre Lasersmentioning
confidence: 99%
“…There are numerous reports in the literature [50][51][52][53][54][55][56][57][58][59][60][61][62][63][64][65][66][67] on the use of SWNTs as mode lockers and Q-switches for ultrafast lasers in the broad wavelength band, which are summarised in Table 1. One of the main advantages of SWNT-based SAs, apart from ultrashort relaxation time and high nonlinearity, is the ease of their fabrication and implementation into the laser setup.…”
Section: Introductionmentioning
confidence: 99%
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“…In CNTs the diameter controls the bandgap, thus, defining the operating wavelength. Broadband tunability is possible using CNTs with a wide diameter distribution [14,36,37]. However, when operating at a particular wavelength, CNTs not in resonance are not used and give insertion losses.…”
Section: Introductionmentioning
confidence: 99%
“…The Bragg wavelength is directly proportional to the grating period, so great flexibility in setting the wavelength emission of a DFB laser is accomplished when writing Bragg gratings. The most widespread methods to inscribe Bragg gratings in optical fibers are the two-beam interferometric method [44] and the phase mask method [45,46], both based on the irradiation of periodic patterns of UV light upon photosensitive fibers.…”
Section: Distributed Feedback Fiber Lasersmentioning
confidence: 99%