TY - JOUR AU - T. Gfroerer AU - Eric Cornell AU - M. Wanlass BT - Journal of Applied Physics DA - 1998-10 DO - 10.1063/1.368790 PY - 1998 EP - 5360 T2 - Journal of Applied Physics TI - Efficient directional spontaneous emission from an InGaAs/InP heterostructure with an integral parabolic reflector VL - 84 SN - 00218979 ER -