CUED Publications database

Wideband tunable, high-power, graphene mode-locked ultrafast lasers

Sun, Z and Lin, XC and Popa, D and Yu, HJ and Hasan, T and Torrisi, F and Kelleher, EJR and Zhang, L and Sun, L and Guo, L and Hou, W and Li, JM and Taylor, JR and Ferrari, AC (2011) Wideband tunable, high-power, graphene mode-locked ultrafast lasers. 2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference, CLEO EUROPE/EQEC 2011.

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Abstract

Ultrafast passively mode-locked lasers with spectral tuning capability and high output power have widespread applications in biomedical research, spectroscopy and telecommunications [1,2]. Currently, the dominant technology is based on semiconductor saturable absorber mirrors (SESAMs) [2,3]. However, these typically have a narrow tuning range, and require complex fabrication and packaging [2,3]. A simple, cost-effective alternative is to use Single Wall Carbon Nanotubes (SWNTs) [4,10] and Graphene [10,14]. Wide-band operation is possible using SWNTs with a wide diameter distribution [5,10]. However, SWNTs not in resonance are not used and may contribute to unwanted insertion losses [10]. The linear dispersion of the Dirac electrons in graphene offers an ideal solution for wideband ultrafast pulse generation [10,15]. © 2011 IEEE.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div B > Solid State Electronics and Nanoscale Science
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 12:04
Last Modified: 16 Dec 2014 19:05
DOI: 10.1109/CLEOE.2011.5943669