Description  Claims  Drawing  Cited references 

US2009003391A1   [0002] 
US20090003391A1   [0004] 

Nature   [0002] 
Opt. Lett.   [0002] 
Nat. Commun   [0002] 
Nature photonics   [0002] 
Opt. Commun.   [0002] 
Appl. Opt.   [0002] 
Opt. Expr.   [0002]