High Resolution Optical Channel Monitor - FOCM Series

September 23, 2015, 9:32 am

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High Resolution Optical Channel Monitor - FOCM Series

FOCM01FXC1MN

Featuring unprecedented resolution, power and frequency accuracy, the High Resolution Optical Channel Monitor (OCM) by II-VI offers optical spectrum analyzer (OSA) performance in an ultra-compact, cost effective optical networking component.

Through proprietary and patented coherent detection and sub-GHz wavelength accuracy, II-VI's OCM features highly accurate power monitoring of fine spectral slices independent of adjacent channel power and without the need for de-convolution, making it ideal for next generation WDM networks comprised of densely packed super-channel carriers.

Coupled with rapid scanning and powerful advanced processing of spectral characteristics, such as valid channel detection, center wavelength and OSNR monitoring, it enables precise network tuning during dynamic network actions and reliable long-term operation.

The High Resolution OCM represents the latest addition to II-VI’s industry leading ROADM and wavelength management portfolio, offering unparalleled value to system and network providers through complementary innovations.

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Fully integrated compact, cost effective, low-profile OPM/OCM module
Excellent power accuracy independent of adjacent signal power
Excellent wavelength accuracy without the need of an external reference
Simple and flexible interface including configurable sub-GHz spectral slice widths
Rapid scanning of the entire C-band in real-time
Powerful advanced processing of spectral features including valid channel detection, center wavelength and OSNR monitoring
Patented and proprietary coherent detection technology
Stable and reliable operation

High Resolution Optical Channel Monitor - FOCM Series Product Brief

10Gb/s to 1Tb/s optical signals
Densely spaced super-channel carrier discrimination
Conventional or mixed modulation formats
Long haul and metropolitan DWDM network supervision
Precise network control during dynamic network operations such as provisioning and maintenance cycles
Effective network fault localization
Reliable long-term WDM network operation
Dynamic gain equalization
Small form factor, high density linecards

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Dual Wavelength Selective Switch (WSS)

September 7, 2017, 6:50 am

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Dual Wavelength Selective Switch (WSS)

FWS0120BSCFAL (Standard Profile) / FWS0120BLCFDL (Low Profile)

The application of Reconfigurable Optical Add/Drop Multiplexers (ROADM) in DWDM optical networks has expanded in recent years to support increasingly more directions as well as increased flexibility in the add/drop structure. Flexgrid^® technology is now essential in the efficient use of optical bandwidth for extremely high data rates and advanced modulation formats employed by next generation DWDM transmitters/receivers, including 400Gb/s and 1 Tbit/s signals of the future. These higher data rates require that channel spacing is flexible and can be increased real-time to allow the network to adapt to new transmission formats. Deployment of colorless directionless (CD) ROADMs and colorless, directionless, contentionless (CDC) is facilitated by the introduction of route & select (R&S) ROADM architectures which, unlike broadcast & select (B&S) ROADMs that require only one WSS per direction, require two WSS per direction.

By integrating two WSS, each featuring superior optical performance, in a single module the dual WSS modules by Finisar are optimized for this new generation of R&S ROADMs. Dual WSS modules can also be used as CD 2xNxM Add/Drop modules. Enabled by Finisar Liquid Crystal on Silicon (LCoS) technology, Finisar dual WSS products support Flexgrid^® technology, which provides dynamic control of the channel width. Furthermore, once deployed, channel plans are configurable ‘on-the-fly’, meaning that channel bandwidths can be adjusted to most efficiently carry future demand as it arises. Furthermore, Flexgrid^® offers full backwards compatibility with both the standard 100 GHz and 50 GHz ITU grids. Flexgrid^® also enables the equalization of the power within a single channel, especially important for multicarrier optical signals.

Finisar dual modules are available in two mechanical versions: Standard Profile and Low Profile. Low Profile is specifically designed for applications where available space is limited; single slot linecards, for example, require dualHD Low Profile modules. Standard Profile modules can be used in all other applications.

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Dual WSS – two WSS integrated in a module
Low and Standard profile mechanical designs
2x1xN WSS configurations
Colorless/Directionless 2xNxM WSS configurations
Alternative loopback common port
Flexgrid® Dynamic Channel Width Control (fully ITU flexible grid (G.694.1) compliant)
- 6.25 – 4800 GHz Range
- 6.25 GHz Width Resolution
- No constraints on the spectrum allocated to a super-channel
- Hitless channel widening, narrowing and migration with 6.25 GHz resolution
Flexgrid® Dynamic Attenuation Control
- 6.25 GHz Resolution
- 0 – 20dB Range
- Hitless channel and intra-channel power equalization
LCoS Switching Technology
4.8 THz Frequency Range

Finisar Dual Wavelength Selective Switch (WSS) Product Brief

Route & Select ROADM Architectures
Colorless Directionless Add/Drop
10 - 400+ Gb/s Transport
Dynamic Gain Equalization
Multi-carrier Superchannels
Alien Wavelength Routing
Flexgrid and Fixed grid ITU 50GHz and 100GHz

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20 GHz Ultra-High Power Photodetector

February 10, 2018, 10:42 am

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20 GHz Ultra-High Power Photodetector

VPDV2120

High-Speed Detectors and Receivers

The VPDV2120 is a compact module that is based on a modified uni-travelling carrier (MUTC) photodetector chip. The VPDV2120 is not matched to 50Ω. For applying a bias voltage of -6V, an external bias-Tee is required. It has a responsivity of 0.55 A/W (1550 nm) and a high saturation photocurrent of 150 mA @ 10 GHz. The Ultra-high power PD is capable of delivering ≥ 22 dBm RF output power @ 10 GHz. The device exhibits a high linearity with typical OIP3 values above 30 dBm at a frequency of 10 GHz.

Type:

Photodetector

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Data Rate:

≥100 Gbps

Wavelength:

1550nm

Operational up to 20 GHz
> 22 dBm RF output power @ 10 GHz
High Linearity (> 30 dBm OIP3 @ 10 GHz)
No cooling required

VPDV2120 Ultra-High Power Photodetector Product Specification

Microwave Photonics
Analog Photonic links
Radio-over-Fiber

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64Gbd High Bandwidth Micro Coherent Receiver

March 26, 2019, 7:20 am

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64Gbd High Bandwidth Micro Coherent Receiver

CPRV4220A

Coherent Receivers

The CPRV4220A High Bandwidth Integrated Coherent Receiver (HB-ICR) combines polarization beam splitting optics for the signal and local oscillator inputs, two matched optical 90° hybrids with monolithically integrated balanced photodetectors, and four linear trans-impedance amplifiers (TIAs) with differential outputs in a compact surface-mount package. At the signal input, there is a monitor photodiode for input signal monitoring in front of a variable optical attenuator (VOA).

The CPRV4220A HB-ICR takes advantage of II-VI’s industry leading high speed photodetector technology and has been optimized to address emerging high baud rate coherent transmission applications, requiring receiver bandwidths of more than 40 GHz. The CPRV4220A HB-ICR conforms to the OIF implementation agreement for High Bandwidth Integrated Coherent Receivers. The Integrated Coherent Receiver is compliant per RoHS Directive 2011/65/EU.

Type:

Receiver

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Data Rate:

>100 Gbps

Wavelength:

1550nm

Fully integrated dual polarization coherent receiver
- Polarization beam splitter
- Optical 90° hybrids with integrated balanced photodetectors
- Linear trans-impedance amplifiers with peak indicator output
- Selectable automatic / manual gain control
- Signal monitor photodiode and variable optical attenuator (VOA)
- C-band
Conforms with OIF-DPC-MRX-02.0 Class 40 implementation agreement
Up to 64 Gbaud symbol rate
Typ. >40 GHz bandwidth on each lane

64Gbd High Bandwidth Micro Coherent Receiver Product Specification

200 Gb/s DP-QPSK coherent transmission systems
400 Gb/s DP-16QAM coherent transmission systems
600 Gb/s DP-64QAM coherent transmission systems

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Low Cost Optical Channel Monitors – CTM Series

January 3, 2020, 10:58 am

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Low Cost Optical Channel Monitors – CTM Series

The CTM Series of optical channel monitors is ideal for original equipment manufacturers looking to achieve the necessary cost targets for embedded DWDM monitoring for ROADM, multi-haul and third-party wavelengths applications. These low-cost and ultra-compact optical channel monitors are ideal for use in closed-loop control of power-equalized channels. They offer the capability to monitor DWDM signals with arbitrary modulation formats on a flexible channel grid.

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10G/40G/100G/400G/1T signals
Flex-BW for flexible grid applications
Full C- or L-band scanning range
Fast response time
Small size

CTM 1450 Firmware Release 4-10-11

CTM 1450 Firmware Release 4-15

CTM 1250 Firmware Release 2-34

ROADM/OADM equalization
Smart amplifier gain equalization
Self-managed Mux control
Power threshold crossing alarms
Remote power monitoring & control
Automated provisioning & maintenance

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Optical Time Domain Reflectometer – Embedded OTDR

January 3, 2020, 11:50 am

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Optical Time Domain Reflectometer – Embedded OTDR

II-VI’s embedded OTDR features advanced digital processing algorithms that enable data analysis in real time. This OTDR achieves wide dynamic range and high spatial resolution using very low optical power. The product is ideal for embedded applications in next-generation networks, especially where high power Raman amplification is used.

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High spectral resolution
Low optical power consumption

Metro, regional and long-haul networks
Data centers
Centralized control planes
Raman amplified systems

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Optical Time Domain Reflectometer – Dual Port XFP Pluggable OTDR

January 3, 2020, 11:52 am

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Optical Time Domain Reflectometer – Dual Port XFP Pluggable OTDR

II-VI’s dual port pluggable OTDR, with a compact XFP interface, monitors the integrity of two fibers with advanced digital processing algorithms that enable data analysis in real time. This OTDR achieves wide dynamic range and high spatial resolution using very low optical power. The product is ideal for embedded applications in next-generation networks, especially where high power Raman amplification is used.

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Dual-port
Pluggable XFP
High spectral resolution
Low optical power consumption

Metro, regional and long-Haul networks
Data centers
Centralized control planes
Raman amplified systems

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DWDM Modules

January 3, 2020, 12:31 pm

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DWDM Modules

DWDM multiplexer and demultiplexer modules combine a cascaded set of thin-film filters each housed in a 3-port cylindrical package. The modules are entirely passive. The filter insertion loss profiles feature flat top and steep slopes. The thin-film filters achieve high center frequency stability over the entire operating temperature range.

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Low insertion loss
Wide and flat pass band
High adjacent channel isolation

DWDM transmission
Telecom and CATV networks

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CWDM Modules

January 3, 2020, 12:33 pm

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CWDM Modules

CWDM multiplexer and demultiplexer modules are based on free-space cascaded thin-film filters integrated on an optical bench with high temperature stability. The modules are entirely passive. The filter insertion loss profiles feature flat top and steep slopes. The thin-film filters achieve high center frequency stability over the entire operating temperature range.

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Low insertion loss
Wide and flat pass band
High adjacent channel isolation

CWDM transmission
Telecom and CATV networks

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Opto-mechanical Switches

January 3, 2020, 12:37 pm

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Opto-mechanical Switches

Opto-mechanical switches are small and highly reliable. They are based on a moving prism mechanism. They are available configured as 1x1, 1x2 or 2x2 for add/drop applications. They are also often used in optical network protection switching applications due to their latching capabilities.

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Fast switching speeds
Low insertion loss
Latching and non-latching

5G Optical Access Networks
Configurable OADM
Optical protection switching & restoration
Test & measurement equipment

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Opto-mechanical Switch Modules

January 3, 2020, 12:38 pm

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Opto-mechanical Switch Modules

Opto-mechanical switch modules include one or multiple opto-mechanical switches in one assembly. They provide a convenient digital interface to actuate the optical switches to the desired state. Modules are available configured as 1x2, 2x2, dual 2x2, dual 2x4, 1x4 and 1x8 optical switches.

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Fast switching speeds
Low insertion loss
Latching and non-latching

5G Optical Access Networks
Configurable OADM
Optical protection switching & restoration
Test & measurement equipment

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Multicast Switches

January 3, 2020, 12:41 pm

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Multicast Switches

Multicast switches help route optical channels between the wavelength selective switches and add/drop ports in reconfigurable optical networks. Multicast switches have a unique broadcast and select architecture that enable ROADMs to be “contentionless”. Multicast switches can be custom designed from 2 to 16 channel ports and from 2 to 16 degree ports. Each multicast switch is manufactured using qualified building blocks such as MEMS optical switches, PLC splitters and photodiodes for channel-port monitoring. Multicast switches integrated with EDFA-arrays are also available.

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Low insertion loss per port
High insertion loss uniformity
No thermal dissipation required

5G Optical Access Networks
Contentionless ROADM switching
4x4, 4x8, 8x12, 8x16 or other ROADM configurations
Integrated MCS/EDFA-Array

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MEMS Optical Switches

January 3, 2020, 12:43 pm

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MEMS Optical Switches

Due to their high reliability, MEMS optical switches are ideal for applications that require continual switching. MEMS switches are often combined with embedded monitoring modules such as optical channel monitors or optical time domain reflectometers to continuously switch around the network points being monitored.

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Low insertion loss
Fast switching time
High number of switching cycles over life

5G Optical Access Networks
Multi-point optical monitoring
Multicast switching

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Integrated Coherent Transmitter & Receiver Optical Sub-Assembly (IC-TROSA)

March 20, 2020, 5:42 am

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Integrated Coherent Transmitter & Receiver Optical Sub-Assembly (IC-TROSA)

FOXQ6411C1BL

Coherent Optics

The FOXQ6411C1BL is an optical sub-assembly combining all the key building blocks of a coherent optical front-end as well as the associated control circuitry. The part is designed to meet the requirements for a Type-2 IC-TROSA as specified in the OIF IC-TROSA implementation agreement.

The device is full C-band tunable and supports multiple modulation formats including QPSK, 8QAM, and 16QAM at symbol rates >60GBd, enabling data transmission up to 400Gb/s. The IC-TROSA’s low power dissipation and miniature footprint enables small form factor Digital Coherent Optics (DCO) transceivers in a QSFP-DD or OSFP form factor, as well as very high-density coherent line card or daughter card designs.

Since the IC-TROSA is a fully calibrated and tested assembly instead of a disaggregate set of components, it yields operational cost savings for the line card or pluggable module integrator due to the lower number of assembly steps and reduced test times.

Type:

Optical Sub-Assembly

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Data Rate:

>100 Gbps

IC-TROSA Type 2, containing all key building blocks of a coherent optical front end (tunable laser, optical amplifier, modulators, drivers, coherent mixer, photodiode array, and TIAs) and internal control electronics
Digital control interface for easy integration into module or line card designs
Linear Analog Coherent Optics (ACO) interface supports spectral shaping and multiple modulation formats at symbol rates >60GBd
Full C-band tunable with optional flexible grid support
Case temperature range 0°C to 75°C

Pluggable Digital Coherent Optics (DCO) transceivers supporting data rates up to 400G, e.g. OIF 400ZR
Very high-density coherent line card designs

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Twin 1x4/1x5 Edge WSS

January 2, 2020, 7:38 am

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Twin 1x4/1x5 Edge WSS

II-VI’s Twin 1x4/1x5 Edge Wavelength Selective Switch (WSS) modules feature dynamic switching of up to 48 channels on 100 GHz of channel spacing. In the Nx1 switch configuration, the WSS can direct any wavelength from any one of the N colorless input ports to the common output port. In the 1xN configuration, the WSS can direct any of the wavelengths from the common port to any of the N output ports. The 1xN and Nx1 configurations are field selectable. Each wavelength can be independently switched, attenuated or blocked.

The WSS enables dynamic wavelength routing for optical path protection, reconfigurable add-drop multiplexing (ROADM), and optical cross connect (OXC) applications. The WSS module can also be designed into a 1xN optical drop applications.

Based on our proprietary LightFlow™ technology, the WSS modules feature low insertion loss, wide dynamic range, high channel counts, low polarization dependent loss and exceptionally low power consumption. The LightFlow™ liquid crystal technology platform is highly reliable and the WSS modules are Telcordia compliant.

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