CUED Publications database

Evanescent-wave coupled right angled buried waveguide: Applications in carbon nanotube mode-locking

Mary, R and Brown, G and Beecher, SJ and Thomson, RR and Popa, D and Sun, Z and Torrisi, F and Hasan, T and Milana, S and Bonaccorso, F and Ferrari, AC and Kar, AK (2013) Evanescent-wave coupled right angled buried waveguide: Applications in carbon nanotube mode-locking. Applied Physics Letters, 103. ISSN 0003-6951

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Abstract

We present an evanescent-field device based on a right-angled waveguide. This consists of orthogonal waveguides, with their points of intersection lying along an angled facet of the chip. Light guided along one waveguide is incident at the angled dielectric-air facet at an angle exceeding the critical angle, so that the totally internally reflected light is coupled into the second waveguide. By depositing a nanotube film on the angled surface, the chip is then used to mode-lock an Erbium doped fiber ring laser with a repetition rate of 26 MHz, and pulse duration of 800 fs. © 2013 AIP Publishing LLC.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div B > Solid State Electronics and Nanoscale Science
Div B > Electronics, Power & Energy Conversion
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 18:58
Last Modified: 25 Jun 2020 08:06
DOI: 10.1063/1.4834360