https://dds.las.ac.cn/service/document?appId=a1vacbnPuv9qJRzJvdNXfsesj9JbIa6e&appKey=sPBA4vANLzjnW1k5eufEcc4k7dxfNraW&ts=1763029734094&signature=b53dc2a3bb5ec3a033bb2762ee60b7ad&articleTitle=Photonic+Devices+for+Telecommunications&articleAuthor=George+Guekos&publicationTitle=Photonic+Devices+for+Telecommunications&language=&publicationType=1&publishYear=1999&isn=9783540643180&publisher=Springer+Berlin+Heidelberg