Carbon nanotube films for ultrafast broadband technology | Zendy

Samuli Kivistö | Zendy; Tommi Hakulinen | Zendy; Antti Kaskela | Zendy; Brad Aitchison | Zendy; David P. Brown | Zendy; Albert G. Nasibulin | Zendy; Esko I. Kauppinen | Zendy; Antti Härkönen | Zendy; Oleg G. Okhotnikov | Zendy

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Carbon nanotube films for ultrafast broadband technology

Author(s) -

Samuli Kivistö,

Tommi Hakulinen,

Antti Kaskela,

Brad Aitchison,

David P. Brown,

Albert G. Nasibulin,

Esko I. Kauppinen,

Antti Härkönen,

Oleg G. Okhotnikov

Publication year - 2009

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.17.002358

Subject(s) - saturable absorption , carbon nanotube , materials science , ultrashort pulse , optics , picosecond , broadband , optoelectronics , fiber laser , laser , mode locking , absorption (acoustics) , nanotechnology , composite material , wavelength , physics

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 determined using nonlinear reflectivity measurement are described in detail. To our knowledge the observed operation bandwidth of approximately 1 microm is the broadest reported to date for a single carbon nanotube-based saturable absorber.

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