1 - 3mw 1550nm DFB Pigtailed Laser Diode with 2.5G - 4.3G bandwidth 1550nm laser diode manufacturer from China Wuhan Shengshi Optical Technology Co., Ltd

1 - 3mw 1550nm DFB Pigtailed Laser Diode with 2.5G - 4.3G bandwidth

Place of Origin:

Zhejiang, China (Mainland)


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Product Detail

Model No.: 1550nm laser diode

1550nm DFB Pigtailed Components

Features
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1550nm DFB Pigtailed Components

Features

1. Built - in optical isolator

2. Low capacitance and low dark current

3. High stability of DFB lasers die

4. Low threshold current , low operating current

5. Integrated high isolation , low insertion loss

Applications

CATV Reverse Transmission

Other Analog or Digital Optical Transmission

Optical & Electrical Characteristics

Parameter	Symbol	Min.	Typ.	Max.	Unit	Test Condition
Rated Power	Po	1	-	4	mW	Ith+20mA
Slope Efficiency	SE			0.2	mW/mA
Threshold Current	Ith		10	15	mA	-
Forward Voltage Drop	Vop	-	1.0	1.2	V	CW, Ith+20mA
Cent Wavelength	λc	1540	1550	1560	nm	-
Spectrum Width(-3dB)	Δλ	-	0.5	1	nm	Ith+20mA
Side-mode Suppression Ratio	SMSR	35		-	dB	-
Bandwidth	Bw	2.5			GHz
Monitor Current	Im	100		900	uA	CW, Ith+20mA
Dark Current of Monitor	Id	-	-	100	nA	5V
Optical Isolation(Single stage)	ISO	35	40	-	dB
Optical Isolation(Double stage)	ISO	45	50	-	dB
Return loss	RL			-45	dB
Analog Characteristic index
Relative Intensity Noise	RIN	-	-155	-150	dB/Hz	-
RF Bandpass Flatness	BF		±1.5		dB
Third-order Distortion	IMD3	-	-55	-	dBc
Carrier Noise Ratio	CNR	51	-	-	dB	Note 1
Composite Second Order	CSO	-	-	-57	dBc
Composite Triple Beat	CTB	-	-	-65	dBc

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Note 1: If=Iop, Optical Modulation, Index=3.2%/channel (minimum), 60 PAL-D unmodulated carries (47 to 550MHz), 10km singlemode fiber, -1dBm received power, Receiver responsivity=0.85A/W.

If=Iop, Optical Modulation Index=3.2%/channel (minimum), CNR, CSO, CTB tested value at worst case over all test frequencies. NTSC 120ch., 10km singlemode fiber, -1dBm received power, Receiverresponsivity=0.85A/W

Absolute Maximum Ratings

Parameter

Symbol

Min.

Max.