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ROMAN Amplifier System

Part of the EDFA Amplifier

This document specifies the requirements of a C-band distributed RAMAN amplifier. The amplifier modules can be operated at constant pump power ( AWC). Different wavelength pump power can be adjusted to achieve smooth gain spectrum for the DWDM network application. It can amplify the single channel signal, in order to achieve the best OSNR; the module integrated a narrow band filter to suppress the ASE power.

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Technical Specifications Related Euipment Related Download

Technical specifications

Parameter		Min	Typical	Max	Unit
Operating Wavelength		1528		1565	nm
Output Power					dBm
Pump Wavelength		1423		1465	nm
Pump power	Boost-RAMAN	700			mw
Pump power	Pre-RAMAN	1300			mw
Gain	Boost-RAMAN		10		dB
Gain	Pre-RAMAN		26		dB
Input Power	Boost-RAMAN			28	dBm
Input Power	Pre-RAMAN	0		14	dBm
Noise figure		-40		-20	dB
Gain Flatness			-2		dB
Input Threshold	Boost-RAMAN		2.2	2.5	dBm
Input Threshold	Pre-RAMAN		0	Can be adjusted	dBm
Polarization Dependence Loss			-40	Can be adjusted	dBm
Polarization Dependence Gain				0.5	dB
Polarization Mode Dispersion				0.5	ps
Return Loss		45			dB
Size		191 (W) x 253 (D) x 40 (H)			mm
Environment	Operating Temperature	-5℃ ~ 55℃			℃
	Storage Temperature	-40℃ ~ 75℃			℃
	Relative Humidity	5% ~ 95% Non-condensing
Power Consumption		≤45			W

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The main function of the EDFA optical amplification subsystem is to compensate the signal’s optical power in the transmission link, which can finally extend the optical signal transmission distance. It can be divided into OBA, OLA and OPA based on the application scene. BA is usually used at the transmitting end to boost the output optical power of the system. LA is usually used at the repeater section to compensate the power loss of the line. PA is usually used at the receiving end of the system to improve the input optical power. The EDFA can amplify all the input optical signals by using the erbium-doped fiber as the gain medium and using the 980nm or 1480nm pump laser as the pump source with one-stage or two-stage amplification. It’s one of the most indispensable and important part of the DWDM system, high speed transmission system and all optical network in the future.

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The OEO optical relay amplification subsystem , adopts the clock and data recovery (CDR) chip design with the highest performance and flexibility in the industry. It can perfectly realize the function of optical signal regeneration and amplification, signal cleaning and shaping with features of highly compact structure, flexible configuration and low power consumption. The system support the relay amplification of optical signals at any rate between 100M~100G with all modes and is widely applied in the field of operators, private networks and information systems.

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The SOA optical amplification subsystem is a special amplification platform for low power optical signal of 100G high-speed services in optical networks. It adopts the plug-in card type and hot-plug design with the characteristics of high integration, low power consumption and stable output power. The system is widely used in data link power amplification and extending transmission distance in various industries.

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ROMAN Amplifier System

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Related Resources

	ISEELINK RAMAN Optical Amplification Specification	PDF - 0.36 MB - Updated on Monday, March 30, 2026
	ISEELINK Product catalog	PDF - 8.18 MB - Updated on Wednesday, March 25, 2026

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ROMAN Amplifier System

Part of the EDFA Amplifier

Technical specifications

Related Euipment

7210 EDFA all-in-one equipment

Plug-in EDFA System

OEO Optical Relay Amplification System

SOA Optical Amplifier System

ROMAN Amplifier System

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