DWDM
Dense Wavelength Division Multiplexing
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Product
C-Band Separate Raman Fiber Amplifier
RFA5000
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Hangzhou Huatai Optic Tech. Co., Ltd.
1. Erbium-doped Fiber Amplifier, due to the multiple cascades and the accumulation of noise caused by spontaneous emission, will reduce the system CNR greatly and thus it will limit the transmission capacity and distance of the system. Raman Fiber Amplifier (RFA) is a newly designed fiber amplifier based on Stimulated Raman Scattering (SRS) effect. It is considered as the core technology of new generation DWDM fiber over-long communication. Compared with Erbium-Doped Fiber Amplifier, Raman amplifier has the advantage of low Noise Figure (NF), wider gain bandwidth, flexible gain spectral region and stable temperature. It is the only device that can operate in 1300~1600 nm.
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Product
50GHz Dense Wavelength Division Multiplexer
DWDM-0500
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Hangzhou Huatai Optic Tech. Co., Ltd.
DWDM series is based on mature thin film filtering technology and adopt metal sealing technology to encapsulate. It has the feature of flat channel bandwidth, flexible channel configuration, low insert loss and high isolation. The flexibility of channel configuration and modularized design make it convenient for system upgrading and expanding. All the Huatai products have no epoxy glue in optical line and can be used in high power optical communication system.
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Product
Multi-Wavelength Meter
86122C
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With an absolute wavelength accuracy of 0.2 ppm and 0.15 ppm differential accuracy, the new Keysight 86122C Multi-Wavelength Meter belongs in the top class of wavelength meters available for optical communication testing. Its wavelength range of 1270 to 1650 nm covers all fiber-to-the-home, metro and long-haul transmission systems. The instrument can measure the spectra of up to 1,000 laser lines at once, which is more than sufficient for fully populated dense-wavelength-division multiplexed systems (DWDM).
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Product
Passive Modules
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Choose from a range of multiplexer and demultiplexer modules supporting both CWDM and state-of-the-art DWDM applications.
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Product
Wavelength Selective Switches
WSS
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Use our modules for wavelength routing to combine, manipulate, or separate multiple WDM and DWDM signals from 100 GHz spacing down to < 25 GHz, all with no crosstalk.
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Product
PC Control Tunable Laser Source Modules
UC9710xx
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The UC8710C, UC9710L and UC8710CL tunable laser modules offer superior performance in testing DWDM components, AWG & PLC components, and optical amplifiers, and performing other general- purpose fiber optical test and measurement applications particularly in fiber grating sensor fast sweep testing.
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Product
950~2400MHz DVB-S 4 ways SAT-IF DWDM Optical Transmitter & Receiver
HDBS-4000DW
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Hangzhou Huatai Optic Tech. Co., Ltd.
Huatai HDBS-4000DW series, combine 4 pieces C-Band, 100GHz, ITU standard wavelength SAT-If optical transmitter, or optical receiver to one chassis, through DWDM, Make 4 ways optical MUX (TX) or DEMUX (RX), through one fiber, used in transmitting 4 ways different polarization SAT-IF signal of one satellite VL, VH, HL, HH with high performance. Installation flexibility.
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Product
Desktop Variable Optical Attenuator
UC8310
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The UC8310 Desktop Variable Optical Attenuator offer superior performance for channel balance, power equalization, gain tilt and power adjust of DWDM system, EDFA, AWG & PLC components, optical amplifiers, and other general purpose of fiber optical test and measurement applications.
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Product
(100×130×19mm) C-Band DWDM FGA Full Function Module Fixed Gain EDFA Module
FGA4400-FM04
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Hangzhou Huatai Optic Tech. Co., Ltd.
Huatai FGA4400-FM04 series is a fixed gain Full Functional EDFA module which is specifically designed for C-Band DWDM optic transmission system, accord with various communication technology requirements of 44 channels DWDM system. It adopts nowadays excellent optical performance, advanced electronic control technology and complete software functionalities. Excellent total integration electronic transient control technology ensures amplifier to achieve the locking of optimal flat gain (OFG) in large dynamic input optical power range.
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Product
Desktop Tunable Laser Source
GM8042
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The GM8042 desktop tunable laser sources offer superior performance in testing DWDMcomponents, AWG & PLC components, optical amplifiers, DWDM system and performing other general-purpose fiber optical test and measurement applications. It is a high wavelength accuracy, high power output, compact dimensions, fast startup, and affordable tunable laser source system. UC INSTRUMENTS provides C band, L band, or C+L band tunable laser sources options.
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Product
Optical Channel Monitor
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Optoplex Optical channel monitor (OCM) uses proprietary thin-film interference filter technology combined with a micro-actuator and high-speed electronics. Optical channel monitor is used to measure critical information data on optical transmission signals in DWDM networks for monitoring signal dynamics, determining system functionality, identifying performance change, and providing feedback for controling network elements so as to optimize operational performance. In particular, Optoplex Optical channel monitor can automatically scan the C-, L- or C+L-band wavelength range and precisely measure channel wavelength, power, and optical signal-to-noise ratio (OSNR). See the following schematic diagram for OCM working principle.
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Product
EDFA Amplifier
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A line of Gain Flattening Erbium-Doped Fiber Amplifiers are designed for in-line amplification of DWDM networks. When a standard EDFA is used to amplify multi-channel DWDM signals, the output power level of various channels will vary according to the gain profile of the erbium fiber. This gain variation can be as great as 6 dB in magnitude. The EDFA-GB-R is unique in its dual-stage amplification and internal Gain Flattening Filter (GFF) to compensate the erbium fiber gain variation.
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Product
Compact & Robust Tunable Laser
WSL-110
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Designed for use in fiber optic transmission testing, our WSL-110 can also be used for DWDM component evaluation and coherent communications testing. The WSL-110 features grid tuning and gridless tuning options, allowing any wavelength to be accessed.
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Product
Optical Performance Monitor
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Optoplex Optical performance monitor (OPM) uses proprietary thin-film interference filter technology combined with a micro-actuator and high-speed electronics. Optical performance monitor is used to measure critical information data on optical transmission signals in DWDM networks for monitoring signal dynamics, determining system functionality, identifying performance change, and providing feedback for controlling network elements so as to optimize operational performance. In particular, Optoplex Optical performance monitor can automatically scan the C-, L- or C+L-band wavelength range and precisely measure channel wavelength and power. See the following schematic diagram for OPM working principle.
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Product
1310nm/1550nm Fused Biconical Taper WDM
SWD1315
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Hangzhou Huatai Optic Tech. Co., Ltd.
Huatai SWD1315 single mode DWDM adopt fused bi-conical taper technical with low insertion loss, channel flatness features. Mainly used in optical network 1310nm and 1550nm combination and halve.
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Product
Hybrid Raman/Er-doped Fiber Amplifier
HFA5000
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Hangzhou Huatai Optic Tech. Co., Ltd.
1. Erbium-doped Fiber Amplifier, due to multiple cascades and the accumulation of noise caused by spontaneous emission, will reduce the system CNR greatly and thus it will limit the transmission capacity and distance of the system. Raman Fiber Amplifier (RFA) is a newly designed fiber amplifier based on Stimulated Raman Scattering (SRS) effect. It is considered as the core technology of new generation DWDM fiber over-long communication. Compared with Erbium-Doped Fiber Amplifier, Raman amplifier has the advantage of low Noise Figure (NF), wider gain bandwidth, flexible gain spectral region and stable temperature. It is the only device that can operate in 1300~1600nm.
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Product
Passive Devices
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Fiber Splitters, Muxes, CWDM, DWDM, WDM, PON, Fiber Jumpers, Fiber Attenuators.
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Product
Multiplexers (MUX)
WDM
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It is highly desirable to reduce the number of cables required to communicate between spaces on Navy ships due to increased weight, cost and maintenance concerns. To reduce weight and expense, copper-based NTDS parallel and serial type cables can be converted to fiber optic and multiplexed using Wavelength Division Multiplexing (WDM) technology. WDM technology allows for multiple fiber optic wavelengths to be combined in a single fiber and then separated back to individual fibers at the distant end. Using Coarse WDM (CWDM) which utilizes wavelengths 20nm apart ranging from 1271 nm to 1611 nm, provides for up to 18 optical wavelengths to be combined into a single fiber. Optionally Dense WDM (DWDM) can be used allowing for up to 160 optical wavelengths.
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Product
Optical Spectrum Analyzer
S6362D
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Saluki S6362D is a high-resolution, large-dynamic, high-speed, high-performance optical spectrum analyzer. It is perfect for testing 600 nm to 1700 nm optical systems, such as DWDM and optical amplifiers. It can also be used for optical active and passive device testing, such as LED, FP-LD, DFB-LD, optical transceivers and optical fibers and fiber gratings and other optical devices.
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Product
4/8 Channel Optimal Multiport Power Meter
UC8728
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UC INSTRUMENTS UC8728 4/8 CHANNEL OPTICAL MULITIPORT POWER METER are PC control multiport passive components power meter test system and offer superior performance for the test of multichannel DWDM, WSS, ROADM, AWG & PLC components and modules, optical amplifiers, DWDM system and other general purpose of multiport fiber optical test and measurement applications. The system can be integrated with tunable laser source, optical attenuator & PDL controller provides a high performance passive components and modules automatic test system platform.
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Product
(70×90×15mm) C-Band DWDM Full Function Pre EDFA Module
WPA4300-FM02
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Hangzhou Huatai Optic Tech. Co., Ltd.
Huatai Huatai WPA4300-FM02 series with 70 × 90 × 15mm MSA compact package, is a digital control circuit with DWDM full function preamplifier module. Products using the most excellent optical performance, the most advanced electronic control technology and comprehensive software features, has a wide operating wavelength range, low noise, excellent gain flatness characteristics and transient characteristics. Suitable for C-Band 44 or 88 waves DWDM system applications.
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Product
Multi Wavelength DWDM Gain Flattened Variable Gain EDFA
MX4500 Series
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This EDFA is ideal for long distance DWDM or CWDM transmissions and may be used as a Line Amplifier, Pre-Amplifier, and Booster Amplifier.
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Product
2 kHz C Band Fast Swept Tunable Laser Source
CA92050-KT
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The CA92050-KT 2 kHz fast swept tunable laser modules offer superior performance for the test of Fiber Vibration Sensing, DWDM components, AWG , WSS, OPM components, Fiber sensing( especially for vibration fiber sensing application) , optical amplifiers, and other general purpose of fiber optical test and measurement with high wavelength resolution applications.
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Product
Fixed Laser Source Module
Laser Source
Keysight offers a broad choice of fixed laser sources, which are available as single-wavelength and dual-wavelength modules as part of the Keysight Lightwave Solution Platform. The Keysight 8165xA Fabry-Perot laser sources can be used in conjunction with optical power meter modules for insertion loss, optical return loss and PDL measurement of broadband components and fiber. The Keysight 81663A Distributed Feedback Laser Sources are best suited for amplifier test and WDM system test applications. Keysight covers PON and common WDM wavelengths with its 81663A Distributed Feedback (DFB) laser source modules. The precise tunability around ITU-grid center wavelength gives you the flexibility to match test setups to the latest requirements of the DWDM-system. The fine-tuning allows to shift the center wavelength from one DWDM transmission channel to the adjacent channel in dense WDM systems. The built-in isolator ensures highest laser stability, even when reflections are present in the optical path.
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Product
Optical Wavelength Meter
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Optoplex Optical wavelength meter (OWM) uses proprietary thin-film interference filter in conjunction with Fabry-Perot cavity technology combined with a micro-actuator and high-speed electronics. Its working principle is schematically shown below. By comparison with Optical channel monitor / Optical performance monitor, the proprietary wavelength reference unit is introduced to ensure high precision wavelength measurements. Optoplex Optical wavelength meter is the only DWDM wavelength meter capable of measuring wavelengths of multi-lasers in DWDM networks over C-band and L-band wavelength range with a high accuracy better than that the wavelength locker can provide. For example, the device can simultaneously report 80 wavelength values of 80 channels at 50 GHz channel spacing with the wavelength accuracy ± 2 GHz. DPRAM, RS-232, or USB interfaces are available and OWM can be customized to meet specific requirements.
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Product
Wavelength Meters
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Keysight multi-wavelength meters are an essential tool for measuring DWDM signals and for calibrating and testing fixed-wavelength and tunable transmitter lasers, featuring high resolution, accuracy and repetition rate. The broadband mode extends support to high-rate modulated signals as well.
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Product
Clock and Data Recovery/Retiming
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Analog Devices provides single rate, multiple rate, and continuous tuning clock and data recovery (CDR) ICs for metro, long haul, DWDM, FSO, instrumentation, and other applications. Our any rate CDR ICs allow easy integration into protocol agnostic applications, automatically locking onto incoming data streams at any rate, from 10 Mbps to 2.7 Gbps or from 6.5 Mbps to 11.3 Gbps, without the aid of a reference clock while reporting the acquired data rate over the I2C interface. With a proprietary dual loop design, our any rate CDR ICs feature fast locking with superior jitter performance.
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Product
C & L-Band Separate Raman Fiber Amplifier
RFA7000
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Hangzhou Huatai Optic Tech. Co., Ltd.
1. Erbium-doped Fiber Amplifier, due to the multiple cascades and the accumulation of noise caused by spontaneous emission, will reduce the system CNR greatly and thus it will limit the transmission capacity and distance of the system. Raman Fiber Amplifier (RFA) is a newly designed fiber amplifier based on Stimulated Raman Scattering (SRS) effect. It is considered as the core technology of new generation DWDM fiber over-long communication. Compared with Erbium-Doped Fiber Amplifier, Raman amplifier has the advantage of low Noise Figure (NF), wider gain bandwidth, flexible gain spectral region and stable temperature. It is the only device that can operate in 1300~1600 nm.
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Product
VOA DWDM with EDFA With VOA, EDFA Dense Wavelength Division Multiplexer
DWDA-1000 (100GHz)
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Hangzhou Huatai Optic Tech. Co., Ltd.
Huatai DWDA-1000 series is integrated by DWDM, VOA and EDFA module in a 1RU or 3D rack. Each channel of DWDM with a high-resolution factor electronic control adjustable optical attenuator will adjust and equilibrium the power. The insertion loss, power loss because of the channel equilibrium of DWDM will be amplified and compensation by the build-in gain flatness EDFA. Compact and simple device structure, thereby reducing the connections between devices to improve the index and reliability of the system. Can be used in DWDM system power equilibrium, optical add and drop multiplexed (OADW) flexible and expediently.
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Product
Optical Power Meter with Optical Head
GM8012 + 2 X GM8300X
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The UC8820 + 2 X UC8820X optical power meter with optical head offer superior performance for the test of DWDM components, AWG & PLC components, optical amplifiers, and other general purpose of fiber optical test and measurement applications. It is special design for volume production line application.
