Ultra-Sensitive Optical Sampling by Coherent-Linear Detection
17 March 2002
Optical sampling is achieved using an all-optical linear technique with a record sensitivity of 10-3 mW2, 1000 times better than nonlinear techniques. The phase sensitivity inherent in linear techniques is removed by simultaneous measurement of orthogonal phase quadratures. Ó2002 Optical Society of America OCIS codes: (060.4510) Optical communications, (230.1150) All-optical devices.