TY  - GEN
AU  - Gnewuch,H
AU  - Román,J E
AU  - Hempstead,M
AU  - Wilkinson,J S
AU  - Ulrich,R
TI  - Beat-length measurement in directional couplers by thermo-optic modulation
SN  - 0146-9592
PY  - 2012///1002
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1364/ol.21.001189
ER  -