Table 2.

Comparison of output power as a function of input beam position and waveguide geometry.

	r	W	H	h	Center of Input	Output Power
Case 1	0.5	4.045	4.290	2.145	X = 0, Y= 2.0	94.2%
Case 2	0.5	6.097	6.630	3.315	X = 0, Y = 3.0	90%
Case 3	0.5	8.036	8.840	4.420	X = 0, Y = 4.0	77%
Case 4	0.7	5.851	4.290	2.145	X = 0, Y = 2	95%
Case 5	0.9	10.755	4.290	2.145	X = 0, Y = 2	96%
Case 6	0.5	4.045	4.290	2.145	X = 0, Y = 1	77%
Case 7	0.5	4.045	4.290	2.145	X = 0, Y = 3	76%
Case 8	0.5	4.045	4.290	2.145	X = 0, Y = 4	46%
Case 9	0.5	4.045	4.290	2.145	X = 1, Y = 3	60%
Case 10	0.5	4.045	4.290	2.145	X = 2, Y = 3	33%
Case 11	0.5	4.045	4.290	2.145	X = 20, Y = 1	0.5%
Case 12	0.5	4.026	4.40	2.20	X = 0, Y = 2.0	93.8%

Case 1 to 11 are waveguide geometry and corresponding output power at 650 nm. Case 12 is operating at 400 nm (unit: μm).