Ribeiro, P H <br/><br/>
Sub-shot-noise high-sensitivity spectroscopy with optical parametric oscillator twin beams.  [electronic resource] 

 -  Optics letters  Dec 1997 
 - 1893-5 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0146-9592 
<br/><br/><label>Standard No.: </label>10.1364/ol.22.001893  doi