Carbon-nanotube photonics and optoelectronics

P Avouris, M Freitag, V Perebeinos - Nature photonics, 2008 - nature.com
Carbon nanotubes (CNTs) are nearly ideal one-dimensional (1D) systems, with diameters of
only 1–3 nm and lengths that can be on the scale of centimetres. Depending on the …

Nanotube–polymer composites for ultrafast photonics

T Hasan, Z Sun, F Wang, F Bonaccorso… - Advanced …, 2009 - Wiley Online Library
Polymer composites are one of the most attractive near‐term means to exploit the unique
properties of carbon nanotubes and graphene. This is particularly true for composites aimed …

Graphene Q-switched, tunable fiber laser

D Popa, Z Sun, T Hasan, F Torrisi, F Wang… - Applied Physics …, 2011 - pubs.aip.org
We demonstrate a wideband-tunable Q-switched fiber laser exploiting a graphene saturable
absorber. We get∼ 2 μ s pulses, tunable between 1522 and 1555 nm with up to∼ 40 nJ …

Wideband-tuneable, nanotube mode-locked, fibre laser

F Wang, AG Rozhin, V Scardaci, Z Sun… - Nature …, 2008 - nature.com
Ultrashort-pulse lasers with spectral tuning capability have widespread applications in fields
such as spectroscopy, biomedical research and telecommunications,,. Mode-locked fibre …

Sub 200 fs pulse generation from a graphene mode-locked fiber laser

D Popa, Z Sun, F Torrisi, T Hasan, F Wang… - Applied Physics …, 2010 - pubs.aip.org
Ultrafast fiber lasers with broad bandwidth are in great demand for a variety of applications,
such as spectroscopy, biomedical diagnosis, and optical communications. Sub 200 fs pulses …

Erbium‐doped integrated waveguide amplifiers and lasers

JDB Bradley, M Pollnau - Laser & Photonics Reviews, 2011 - Wiley Online Library
Erbium‐doped fiber devices have been extraordinarily successful due to their broad optical
gain around 1.5–1.6 µm. Er‐doped fiber amplifiers enable efficient, stable amplification of …

Tm-doped fiber laser mode-locked by graphene-polymer composite

M Zhang, EJR Kelleher, F Torrisi, Z Sun, T Hasan… - Optics express, 2012 - opg.optica.org
We demonstrate mode-locking of a thulium-doped fiber laser operating at 1.94 μm, using a
graphene-polymer based saturable absorber. The laser outputs 3.6 ps pulses, with∼ 0.4 nJ …

A stable, wideband tunable, near transform-limited, graphene-mode-locked, ultrafast laser

Z Sun, D Popa, T Hasan, F Torrisi, F Wang… - Nano Research, 2010 - Springer
We report an ultrafast laser mode-locked with a graphene saturable absorber. The linear
dispersions of the Dirac electrons in graphene enable wideband tunability. We get∼ 1 ps …

Micromachining of photonic devices by femtosecond laser pulses

G Della Valle, R Osellame… - Journal of Optics A: Pure …, 2008 - iopscience.iop.org
In this paper we review the micromachining of photonic devices in several materials by
means of ultrashort laser pulses. The physical mechanisms underlying the refractive index …

Ultrafast lasers mode-locked by nanotubes and graphene

Z Sun, T Hasan, AC Ferrari - Physica E: Low-dimensional Systems and …, 2012 - Elsevier
Ultrafast lasers play an increasingly important role in many applications. Nanotubes and
graphene have emerged as promising novel saturable absorbers for passive mode-locking …