Table 1
Transmitter and receiver parameters used in the numerical simulation

Parameter description	Symbol	Value
Laser wavelength	λ	1,550 nm
Tx optical efficiency	ηT	0.71
Extinction ratio	Rex	33 dB
Effective Rx area	AR	0.74 m2
Rx optical efficiency	ηR	0.7
Rx field-of-view	ΩFoV	67 urad
Optical filter transmittance	ηfilter	0.6
Optical filter bandwidth	Δfilter	2 nm
APD responsivity	RD	1 A/W
APD gain	G	20
APD excess noise factor	F	4.3
Absolute temperature	T	293.5 K
Load resistance	RL	50 Ω

APD, avalanche photodiode.