Diode lasers | Lightwave

Diode lasers

External-cavity tunable diode lasers feature tuning to 20 nm/sec, constant power mode, and linear tuning rates. All lasers in the Velocity family have wavelength readout and gpib computer control. Output wavelengths range from 630 to 1550 nm. The lasers suit telecommunications, spectroscopy, laser seeding, and frequency-conversion applications.

New Focus Inc.

Santa Clara, CA

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CIG offers 25G SFP28 optical transceivers for 5G fronthaul, midhaul, backhaul

The company says it will offer a live demonstration of one of the optical modules, a 25G SFP28 ER for 40 km, at CIOE 2019 in Shenzhen, China.

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Open Eye Consortium releases PAM4 53-Gbps single-mode transceiver module specification

The MSA members expect the specification will lead to development of 50G SFP, 100G DSFP, 100G SFP-DD, 200G QSFP, and 400G QSFP-DD and OSFP single-mode modules that are less expensive and complex than digital approaches that require DSPs.

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APAT OE offers 25-Gbps optical transceivers for 5G mobile networks

The optical modules include 25G SFP28 10/20/30-km bidi/duplex, 25G SFP28 300-m bidi/duplex, and 25G DSFP 10-km devices.

OptiWorks to unveil high-speed optical transceivers, active optical cable

The optical modules are 100-Gbps QSFP28 CWDM4 devices, while the AOCs come in 100-Gbps QSFP28 and 400-Gbps QSFP-DD configurations.

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Penny Herscher new Lumentum board chair

She replaces Martin A. Kaplan, who died August 3.

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U.S. Commerce Dept. grants Huawei another 90-day pass but adds more affiliates to Entity List

The Temporary General License BIS granted Huawei is the second the Chinese telecommunications technology supplier has received.

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II-VI to refile Finisar purchase approval request with Chinese authority

The company says the action should not adversely affect the review process of the deal, which II-VI management now expects to close this fall.

The April High Speed Plugfest followed a similar event held last December (pictured above).

Latest Ethernet Alliance High-Speed Networking Plugfest has 97% pass rate

If the latest Ethernet Alliance High Speed Networking (HSN) Plugfest is any indication, industry is making significant progress toward developing multivendor interoperable high-speed devices.

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OIF launches coherent driver modulator, FlexE/400ZR white paper projects

The first effort targets a higher baud rate coherent driver modulator and the second seeks to create a white paper that describes low-rate service multiplexing using FlexE and 400ZR.

Lumentum Board Chairman Martin A. Kaplan passes away

Kaplan also was chairman of Superconductor Technologies, a developer of superconducting wire. He was 81.

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NeoPhotonics escapes 2Q19 above revised guidance

Company management said that strength in demand among Western customers as well as resumption of most of their shipments to Huawei accounted for the better than expected revenue performance

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Smartoptics offers 32G Fibre Channel DWDM optical transceivers for SANs

The 32G Fibre Channel optical transceivers are available in the SFP28 form factor for use in the platforms of a variety of switch vendors.

CEO Michael Hurlston will Finisar before the close of the company's sale to II-VI.

Finisar CEO Hurlston to depart before sale to II-VI closes

Finisar Corp. has revealed that CEO Michael Hurlston is leaving the company to pursue another, unspecified opportunity. He was not expected to be offered a position with II-VI.

Sales of optics to the cloud megadatacenter operators. After a dip this year, growth should resume in 2020, LightCounting predicts.

LightCounting: Hang on, module vendors, the data center companies will start buying again

Growth should begin again in 2020 and continue for at least several more years to come. Of course, that implies technology suppliers have to get through 2019 first.