# Data to determine losses due to the top metal for a modulator of length 1.55 mm wavelength(µm) position waveguide_type power(mW) 5.5 before_lens reference 15.1 5.5 after_lens reference 0.23 5.5 before_lens 1.55mm_long 15.1 5.5 after_lens 1.55mm_long 0.13 6.0 before_lens reference 2.2 6.0 after_lens reference 0.035 6.0 before_lens 1.55mm_long 2.2 6.0 after_lens 1.55mm_long 0.018 6.4 before_lens reference 15.0 6.4 after_lens reference 0.15 6.4 before_lens 1.55mm_long 0.07 6.4 after_lens 1.55mm_long 0.018 6.75 before_lens reference 12.3 6.75 after_lens reference 0.06 6.75 before_lens 1.55mm_long 12.3 6.75 after_lens 1.55mm_long 0.024 7.0 before_lens reference 5.3 7.0 after_lens reference 0.04 7.0 before_lens 1.55mm_long 5.3 7.0 after_lens 1.55mm_long 0.015 7.2 before_lens reference 5.6 7.2 after_lens reference 0.053 7.2 before_lens 1.55mm_long 5.6 7.2 after_lens 1.55mm_long 0.018 7.8 before_lens reference 8.7 7.8 after_lens reference 0.08 7.8 before_lens 1.55mm_long 8.7 7.8 after_lens 1.55mm_long 0.015