Author Affiliations

Sukhdev Roy,¹ Mohit Prasad,¹ Juraj Topolancik,² and Frank Vollmer³

¹Department of Physics and Computer Science, Dayalbagh Educational Institute (Deemed University), Dayalbagh, Agra 282 110 INDIA Ph.: +91-562-2801545, Fax: +91-562-2801226

²Department of Electrical and Computer Engineering, Northeastern University, 360 Huntington Avenue, Boston, MA 02115 Ph.: +1-617-373-4159, Fax: +1-617-373-8970

³The Rowland Institute, Harvard University, 100 Edwin H. Land Blvd., Cambridge, MA 02142 U.S.A Ph.: +1-617-497-4681, Fax: +1-617-497-4627