COVEGA offers a complete range of Intensity and Phase Modulators for high speed appliations, and a range of high performance source and amplification devices for optical systems.

• Modulators
• Amplifiers
• Laser Diodes
• Super Luminescent Diodes

Covega

Modulators- Amplifiers- Laser Diodes

Praseodymium-doped fluoride fiber amplifiers can operate in the 1.3 µm band which is beyond the scope of practical optical amplifiers.

Applications:

• DWDM transmission systems
• Testing of Optical systems

FEATURES & BENEFITS

• Operating band in C,L-bands
• High power and high reliability
• Low noise figure
• Bench top type amplifier module for R&D
• Custom-designed gain-brock

NEL

Optical Fiber Amplifiers

Nuphoton Technologies design and manufacture Erbium Doped Fiber Amplifiers and LIDAR sources for a wide spectrum of applications including DWDM systems, CATV networks, LIDAR / LADAR and FTTH.

Applications:

• DWDM systems
• Long-haul fiber optic communication systems
• LAN, MAN, WAN, CATV networks
• Lidar
• free-space communications
• Test & measurement equipment

Nuphoton

Erbium Doped Fiber Amplifiers

Optical Isolators - Erbium-Doped Fiber Amplifier - DWDM Filters & Modules

• Optical isolators(ISO) manufactured by O-Net are high performance passive optical components and used to restrain optical reflection in optical communications systems.
• Erbium-Doped Fiber Amplifier:EDFAs adopts advanced design methods with its technical level leading at home and advanced in the world. To date, they have been evolved into two series (separately used in analog or digital fiber-optic communications systems)
• - DWDM Filters & Modules:DWDM Filter and Module are designed for DWDM systems in the communications backbones and networks. By using interference filters to allow signals with different transmission bit-rate, different formats, different wavelengths to be carried in the same one fiber, and increase the transmission system capacity
.

O-Net Communications

Optical Communication Products

CATV for 1550nm system can greatly improve optical signal to increase transmission span. Cascaded EDFA can be used in long distance transmission.

Parameters is displayed on LCD, and setting via PC and remote monitoring are also available. EDFA for CATV is compliant with Bellcore GR-1312-CORE requirements. Modules and rack mount type are available.

Features:

• High output power
  
• Single or multi pumped
  
• Low noise figure
  
• Flexible monitoring interface
  
• Microprocessor-based alarm & control

Applications:

• Long distance CATV system
  
• CATV head-end and line repeat
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Photon Technology

EDFA for CATV Systems with Controlled Circuit

EDFA module for digital telecommunication system contains a Booster amplifier and a preamplifier.

Compact and high reliable, with low noise and output power clamped, the module can be conveniently used in digital communication systems. Their design and manufacturing is compliant with Bellcore GR-1312-CORE requirements.

Features:

• Single channel
  
• High output power or high gain
  
• Low noise figure
  
• Flexible monitoring interface
  
• Microprocessor-based
  
• Alarm & control small size, easily installation

Applications:

• Long haul telecommunication system
  
• LANs and WANs system
  
• Multimedia communication system

Photon Technology

EDFA for Digital Systems

This is a compact and highly reliable module with flattened and locked gain. The Bellcore GR-BR-CORE qualified module consisting of Booster amplifier, an in-line amplifier and a preamplifier can be applied to DWDM 16/40/80 channel systems easily.

Features:

• Flat gain across the C-BAND
  
• High saturation output power, >17dBm
  
• Low power consumption
  
• Low noise
  
• Wide input signal band-width, 1529~1561nm
  
• Isolated input and output
  
• Single 5V operation
  
• Auto gain control
  

Applications:

• Designed for DWDM applications
  
• Booster amplifier
  
• Preamplifier
  
• Line amplifier

Photon Technology

EDFA for DWDM Systems Pure Gain Module

This is a compact and highly reliable module with flattened and locked gain. The Bellcore GR-BR-CORE qualified module consisting of Booster amplifier, an in-line amplifier can be applied to DWDM 16/40/80 channel systems easily.

Features:

• Flat gain across the C-BAND
  
• High saturation output power, >17dBm
  
• Low power consumption
  
• Low noise
  
• Wide input signal band-width, 1529~1561nm
  
• Isolated input and output
  
• Single 5V operation
  
• Standard serial communication channels
  
• Auto gain control

Applications:

• Designed for DWDM applications
  
• Booster amplifier
  
• Preamplifier
  
• Line amplifier

Photon Technology

EDFA for DWDM Systems with Controlled Circuit

Raman amplifier module, with high power and one or multiple pumps, can be used in digital communication or broadband DWDM systems.

Both discrete and distributed Raman applications are available. Compact and high reliable, with stimulated Raman scattering in transmission fiber or special fiber with a high Raman gain coefficient, the amplifier can be used to extend the system reach and the spans between EDFAs, increase data rates and provide tighter channel spacing. Its design and configuration are compliant with Bellcore GR-1312-CORE requirements.

Features:

• High output pump power
  
• Single Raman fiber laser or multiple 14xx laser
  
• Pumping
  
• Single or multiple pumped
  
• Pump, single monitoring
  
• Microprocessor-based alarm & control

Applications:

• Long haul telecommunication DWDM systems
  
• Metropolitan network DWDM system
  
• Longer spans between EDFAs
  
• Discrete or distributed Raman amplification

Photon Technology

RAMAN Amplifiers

Erbium Doped Fiber product range.

Sumitomo Electric

Erbium Doped Fiber

A new class of small form factor optical amplifiers for single channel, narrow-band or DWDM applications.

The new Metro EDWA series is Teem's next step in the product evolution of erbium doped amplifiers, designed to drive complexity and cost out of the optical metro network.

Applications:

• Optical communication components and systems
• Laser source and laser systems
• Light sources for optical sensors
• Avionic and naval industry
• Defence and security

Teem Photonics

Metro EDWA Series