Table 1.

Optical response of optimized nanoresonators.

	Pulse-length	Au rod monomer	Ag rod monomer	Au core–shell monomer	Ag core–shell monomer	Au rod dimer	Ag rod dimer	Au core–shell dimer	Ag core–shell dimer	Au bow-tie	Ag bow-tie	free space
NOC	2.7 fs	1.6	1.7	1.07	1.07	1.5	1.49	1.17	1.16	1.63	1.53	1.1
	4 fs	2.05	2.15	1.54	1.54	1.95	1.94	1.63	1.61	2.06	1.96	1.56
	5 fs	2.39	2.49	1.9	1.9	2.3	2.28	1.98	1.96	2.41	2.31	1.92
NFE	2.7 fs	9.06	12.45	2.99	2.93	39.32	41.37	37.58	22.92	42.33	42.87	1
	4 fs	9.06	12.49	2.98	2.93	39.24	41.29	37.54	22.89	42.33	42.87	1
	5 fs	9.05	12.42	2.98	2.93	39.22	41.26	37.52	22.87	42.3	42.52	1
NFE/NOC	2.7 fs	5.66	7.32	2.79	2.74	26.2	27.7	32.12	19.76	25.97	28.02	0.91
	4 fs	4.42	5.81	1.94	1.9	20.18	21.33	23.03	14.22	20.55	21.87	0.64
	5 fs	3.79	4.99	1.57	1.54	17.08	18.08	18.95	11.67	17.55	18.41	0.52
NOC slope (fs−1)		0.34	0.34	0.36	0.36	0.35	0.34	0.35	0.35	0.34	0.34	0.36
NFE slope (fs−1)		0	− 0.01	0	0	− 0.04	− 0.05	− 0.02	− 0.01	− 0.01	− 0.14	0
NFE/NOC slope (fs− 1)		− 0.82	− 1.02	− 0.54	− 0.53	− 3.4	− 4.22	− 5.79	− 3.55	− 3.69	− 4.2	− 0.17