00778oam 2200229z- 450 9962792931033161-4799-8255-5(CKB)3880000000021571(EXLCZ)99388000000002157120220628c2015uuuu -u- -engGroup IV Photonics (GFP), 2015 IEEE 12th International Conference onIEEE1-4799-8256-3 1-4799-8254-7 2015 IEEE 12th International Conference on Group IV Photonics (GFP)2015 IEEE 12th International Conference on Group IV Photonics Group IV Photonics PROCEEDING996279293103316Group IV Photonics (GFP), 2015 IEEE 12th International Conference on2513854UNISA