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Open Access research that is better understanding work in the global economy...

Strathprints makes available scholarly Open Access content by researchers in the Department of Work, Employment & Organisation based within Strathclyde Business School.

Better understanding the nature of work and labour within the globalised political economy is a focus of the 'Work, Labour & Globalisation Research Group'. This involves researching the effects of new forms of labour, its transnational character and the gendered aspects of contemporary migration. A Scottish perspective is provided by the Scottish Centre for Employment Research (SCER). But the research specialisms of the Department of Work, Employment & Organisation go beyond this to also include front-line service work, leadership, the implications of new technologies at work, regulation of employment relations and workplace innovation.

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Semiconductor micro-ring and micro-disk lasers for all-optical switching

Sorel, Marc and Mezosi, Gábor and Strain, Michael J (2009) Semiconductor micro-ring and micro-disk lasers for all-optical switching. In: Proceedings of SPIE 7230, Novel In-Plane Semiconductor Lasers VIII, 72300I. SPIE, San Jose.

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Abstract

We review and compare recent results on the design and fabrication of semiconductor microring and microdisk lasers for applications in all-optical switching and signal processing. The design of the optical cavities will be analyzed in detail with a strong emphasis on the evaluation of the various loss mechanisms. Both lithographic and etching technologies were thoroughly optimized to ensure high-resolution patterning and deep and vertical waveguide sidewalls. The majority of the fabricated devices exhibited continuous wave operation down to 7 μm and strong unidirectional bistability down to device footprints as small as 30 μm. While both microdisks and microrings show similar behaviour for medium radii (30-60 μm), in smaller devices the microdisk geometry shows much lower losses and better performance.

Item type: Book Section
ID code: 44543
Keywords: semiconductor micro-ring, micro-disk lasers, all-optical switching, Physics, Electrical engineering. Electronics Nuclear engineering, Physics and Astronomy(all), Electrical and Electronic Engineering
Subjects: Science > Physics
Technology > Electrical engineering. Electronics Nuclear engineering
Department: Faculty of Science > Physics > Institute of Photonics
Depositing user: Pure Administrator
Date deposited: 26 Aug 2013 13:12
Last modified: 03 Jan 2019 13:33
URI: https://strathprints.strath.ac.uk/id/eprint/44543
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