@inproceedings { Shi2012anti, title = {Single-band add-drop filters using anti-reflection, contra-directional couplers}, journal = {IEEE Group IV Photonics Conference}, year = {2012}, month = {08/2012}, pages = {21-23}, type = {inproceedings}, URL = {http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6324073&isnumber=6324060}, author = {Wei Shi and Greenberg, M. and Xu Wang and Yun Wang and Lin, C. and Jaeger, N.A.F. and Chrostowski, L.} }