850nm electro-optic intensity modulator

Kg-am series 850nm lithium niobate electro-optical intensity modulator adopts advanced proton exchange technology, which has the characteristics of low insertion loss, high modulation bandwidth, intense half-wave voltage, and so on. It is mainly used in space optical communication, cesium atom time reference, pulse generator, quantum optics, and other fields.

performance parameters：

parameters		symbol	min	typical	max	unit
optical parameters
working wavelength		l	780	850	890	nm
insert loss		IL		4	5	dB
optical return loss		ORL			-45	dB
switch extinction ratio @DC		ER@DC	20	23		dB
dynamic extinction ratio		DER	12	13		dB
optical fiber	input		PM 800 Panda fiber
optical fiber	output		PM 800 Panda fiber
optical fiber interface			FC/PC、FC/APC or customer specific
electronics parameters
working bandwidth（-3dB）		S₂₁	0.01~2.5、0.01~10			GHz
bandwidth fluctuation		DS₂₁		0.5	1	dB
half wave voltage Vpi	RF	Vπ@50KHz		3	3.5	V
half wave voltage Vpi	Bias	Vπ@Bias		3.5	4	V
Electric return loss		S₁₁		-12	-10	dB
input impedance	RF	Z_RF	50			W
input impedance	Bias	Z_BIAS	1M			W
electronics interface			SMA

1064nm double M-Z series intensity modulator

LiNbO3 intensity modulator has a good electro-optic effect and is widely used in a high-speed optical communication system, laser sensor, and ROF system. The kg-am series based on MZ push-pull structure and X-cut design has stable physical and chemical properties and can be applied to laboratory experiments and industrial systems.

performance parameters：

parameters		symbol	min	typical	max	unit
optical parameters
working wavelength		l	1064±20			nm
insert loss		IL	-	6	8	dB
optical return loss		ORL	-40	-45	-	dB
switch extinction ratio @DC		ER@DC	48	50	-	dB
optical fiber	input		PM fiber 980 nm
optical fiber	output		PM fiber 980 nm
optical interface			FC/PC、FC/APC or customer specific
electronics parameters
working bandwidth（-3dB）		S₂₁		6	-	GHz
bandwidth fluctuation		DS₂₁	-	0.5	1	dB
half wave voltage Vpi	RF	Vπ@50kHz	-	4.5	5	V
half wave voltage Vpi	Bias	Vπ@Bias	-	4.5	5	V
electronic return loss		S₁₁	-	-12	-10	dB
input impedance	RF	Z_RF	50			W
input impedance	Bias	Z_BIAS	1 M			W
electronic interface			SMA(f)

High extinction ratio electro-optic intensity modulator

Kg-am series high extinction ratio electro-optic intensity modulators are based on M-Z push-pull structure, which has low half-wave voltage and stable physical and chemical characteristics. Superior technology is adopted to ensure that the device has a high DC extinction ratio and increased response rate, so it is widely used in optical pulse generators, laser radar, optical fiber sensors, and other fields.

performance parameters：

parameters		symbol	min	typical	max	unit
optical parameters
working wavelength		l	1525		1565	nm
insert loss		IL		4	5	dB
optical return loss		ORL			-45	dB
switch extinction ratio @DC		ER@DC	35	40	50	dB
optical fiber	input		Panda PM
optical fiber	output		Panda PM or SMF-28
optical fiber interface			FC/PC、FC/APC or customer specific
electronic parameters
working bandwidth（-3dB）		S₂₁	2.5	10	18	GHz
half wave voltage Vpi	RF	Vπ@50KHz			5	V
half wave voltage Vpi	Bias	Vπ@Bias			7	V
electronic return loss		S₁₁		-12	-10	dB
input impedance	RF	Z_RF		42		W
input impedance	Bias	Z_BIAS	10000			W
electronics interface			SMA(f)

（Product recommendation) kg- tunable laser light source series

(Notice of the meeting) The 6th Symposium on new photoelectric detection technology and its application

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