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Rof Photonics Technology Ultra Compact Dp-Iq Modulator Bias Controller Mach Zehnder Modulator

Name: Rof Photonics Technology Ultra Compact Dp-Iq Modulator Bias Controller Mach Zehnder Modulator
Brand: Beijing Rofea Optoelectronics Co, Ltd
SKU: ZdkAVmMKnaef
Price: 99.00 USD
Availability: InStock

US$99.00 1 Piece (MOQ)

Port:

Beijing, China

Payment Terms:

T/T, Paypal

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Beijing Rofea Optoelectronics Co, Ltd

Beijing, China

Last Login Date:

Jul 02, 2025

Main Products:

Electro-Optic Intensity Modulator, Electro-Optic Phase Modulator, Photodetector, Dfb Light Source, Laser Light Source, Fiber Amplifier, Microwave Electron, Optical Tester, Electro-Optic Modulator

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Product Description

Company Info

Basic Info.

Model NO.

DP-IQ

Trademark

Rof

Product Description

Rofea' modulator bias controller is specially designed for Mach- Zehnder modulators to ensure a stable operation state in various operating environments. Based on its fully digitized signal processing method, the controller can provide ultra stable performance.

The controller injects a low frequency, low amplitude dither signal together with bias voltage into the modulator. It keeps reading the output from the modulator and determines the condition of the bias voltage and the related error. A new bias voltage will be applied afterwords according to the previous measurement. In this way, the modulator is ensured to work under proper bias voltage.

Feature:

•Simultaneously provides six automatic bias voltages for Dual Polarization IQ modulators
•Modulation format independent:
SSB, QPSK, QAM, OFDM verified.
•Plug and Play:
No manual calibration needed Everything automatic
•I, Q arms: controll on Peak and Null modes High extinction ratio:50dB max1
•P arm: controll on Q+ and Q- modes Accuracy: ± 2°
•Low profile: 40mm(W) × 29mm(D) ×8mm(H)
•High stability: fully digital implementation Easy to use:
•Manual operation with mini jumper 2
Flexible OEM operations through UART /IO
•Two modes to provide bias voltages: a.Automatic Bias Control b.User defined bias voltage

Application:

•LiNbO3 and other DP-IQ modulators
•Coherent Transmission

¹ The highest extinction ratio depends on and cannot exceed 1 the system modulator maximum extinction ratio.

² UART operation is only avaliable on some version of the controller.

Specifications:

Please Contact us for an accurate quote.

Parameter	Min	Typ	Max	Unit
Controll Performance
I, Q arms are controlled on Null(Minimum) or Peak(Maximum) point
Extinction ratio		MER¹	50	dB
P arm is controlled on Q+(right quadrature) or Q-( left quadrature) point
Accuracy at Quad	−2		+2	degree²
Stablization time	45	50	55	s
Electrical
Positive power voltage	+14.5	+15	+15.5	V
Positive power current	20		30	mA
Negative power voltage	-15.5	-15	-14.5	V
Negative power current	8		15	mA
Output voltage range of YI/YQ/XI/XQ	-14.5		+14.5	V
Output voltage range of YP/XP	-13		+13	V
Dither amplitude		1%Vπ		V
Optical
Input optical power³	-30		-8	dBm
Input wavelength	1100		1650	nm

1 MER refers to intrinsic Modulator Extinction Ratio. The extinction ratio achieved is typically the extinction ratio of the modulator specified in modulator datasheet.
² Let Vπ denote the bias voltage at 180° and VP denote the most optimized bias voltage at Quad points.
³ Please be noted that the input optical power does not refer to the optical power at the selected bias point. It is the maximum optical power that the modulator can export to the controller when the bias voltage ranges from −Vπ to +Vπ .

Address: No. 3, Jinxing West Rd, Daxing District, Beijing, China

Business Type: Manufacturer/Factory

Business Range: Computer Products, Electrical & Electronics, Industrial Equipment & Components, Instruments & Meters, Manufacturing & Processing Machinery, Metallurgy, Mineral & Energy

Main Products: Electro-Optic Intensity Modulator, Electro-Optic Phase Modulator, Photodetector, Dfb Light Source, Laser Light Source, Fiber Amplifier, Microwave Electron, Optical Tester, Electro-Optic Modulator

Company Introduction: Rofea has been focused on electro-optic integrated circuit and component for a decade. We manufacture high performance integrated-optical modulators and provide innovative solutions and services for both scientific researchers and industry engineers. The modulators of the Rofea with low drive voltage and low insertion loss were largely used in quantum key distribution, radio-over-fiber systems, laser sensing systems and next-generation optical telecommunication.

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