TF Polarization Pump Combiners, based on ITF All-FiberTM technology, are designed to meet the requirements of new generation of EDFA and Raman amplifiers.

They are used to combine two polarized pump laser sources into a single fibre. Because of their very low insertion loss, typically less than 0.25dB, and high extinction ratio, greater than 17dB, they can be used either in EDFA or in Raman gain block configurations.
ITF Polarization Pump Combiners can be custom designed to accommodate any pump laser centre wavelength, from 1410nm to 1510nm.
They are characterized by very low insertion loss and are able to sustain considerable continuous optical power without degradation, adapting to conditions demanding a level of reliability that is more critical than ever.
ITF"s All-FiberTM technology allows for fast turnaround design and prototyping cycles thus enabling amplifier manufacturers to accelerate their product development.

ITF Optical Technologies

Polarization Pump Combiner

The products enable emerging and leading communications equipment manufacturers to deliver optical networking systems to the rapidly growing long haul, metropolitan and last-mile access segments of the communications network.

• OPIS
• Interconnect Systems
• Branching Devices
• Filter Products
• DWDM Products
• Advanced Products

AFOP

Passive Components

TF"s DWDM Interleaver Router is a single stage router that separates narrow spaced incoming wavelengths into two widely spaced sets, or combines them into one.

The All-FiberTM based optical routers provide an economical passive technology bringing many advantages over alternative techniques in interleaving products design.
With ever increasing transmission distance and data rate requirements, insertion loss and polarization dependant loss (PDL) are challenges every product designer must address. ITF"s All-FiberTM technology allows the DWDM Interleaver Router to provide remarkable performances on both counts.
As the use of DWDM applications in the metro markets increases, designers are concerned about using small size, passive athermal devices. ITF"s All-FiberTM technology provides the solution with its passive DWDM Interleaver Router.

ITF Optical Technologies

DWDM Interleaver Router 50GHz

Integrated multi channel attenuators for DWDM channel Level controlusing planar Lightwave circuit Mach-Zehnder Interferometers with thermo-optic phase shifters.

Variable Optical Attenuator More information

Main Features:

• Compact
  
• Multi-channel
  
• Monitor Coupler Integration Available

NEL

Variable Optical Attenuator

NEL's optical switches employ Mach-Zehnder interferometers with thermo-optic phase shifters as switching units and include an 8x8 optical matrix switch and an 8-arrayed 2x2 optical switch.

These switches are smaller and use less power than mechanical switches or O/E-SW-EO switches. These switches can be driven by +5V TTL-level voltage.
Main Features:

• Low Loss
• Low Crosstalk
• Low Return Loss
• Small Size
• Excellent Hight Reliability

• ThermoOptical Switch More information

Applications:

• Space Division Switching Systems with Analog and/or Digital Signals
• Wavelength Routing such as Cross-connect and Add-drop
• Protective Switching
• Video Switching

NEL

Thermo-Optic Switches

ITF Wavelength Pump Multiplexers, based on ITF All-FiberTM technology are designed to meet the requirements of the new generation of EDFA and Raman amplifiers.

They are used to increase the power of optical amplifiers by combining multiple pump laser sources into a single fibre. Because of their very low insertion loss, typically less than 0.15dB per coupler, almost all of the pump laser power is used efficiently.
ITF Wavelength Pump Multiplexers can be customized to accommodate complex multi-stage 980nm and 1480nm EDFA configurations as well as multi-pump Raman gain block configurations.
In fact, ITF Wavelength Pump Multiplexers can address almost any optical amplifiers wavelength and channel spacing design.
ITF Wavelength Pump Multiplexers are characterized by very low insertion loss and are able to sustain considerable continuous optical power without degradation, adapting to operating conditions demanding a level of reliability that is more critical than ever.

ITF Optical Technologies

Wavelength Pump Multiplexer

Our semiconductor laser diodes include, distributed feedback (DFB) lasers, and electro-absorption modulator integrated DFB (EA-DFB) lasers.

With DFB lasers, NEL can prepare any wavelength between 1300 and 1650nm, with a wavelength selection of ± 1nm.

DFB lasers More information

NEL

DFB Laser Diodes

Our planar splitters exhibit excellent performance and are competitively priced. The complete product range can be produced in mass volume, and within short delivery times.

Teem Photonics

Planar Splitters