Fiber Optic Wiki

Quick Mate Duplex LC optical connector

September 17, 2011

Molex Inc. has unveiled the Quick Mate Duplex (QMD) LC Optical Connector, a ruggedized connector that includes a one-step, push-pull configuration that can be mated directly to Small Form-factor Pluggable (SFP) optical transceivers.

Visual fault locator from Arden Photonics emphasizes ease of use

September 16, 2011

Arden Photonics says its new VFI-1200 interferometric inspection system is specifically designed for checking the end-face quality and flatness of cleaved, polished, or lensed fibers with diameters of 125 μm to 1200 μm.

FPGAs positioned for 100G OTN, Ethernet designs

September 16, 2011

Having been shut out of the high-end action in the coherent end of 100 Gbps, Altera and Xilinx have moved to position their field programmable gate arrays (FPGAs) as viable options when Optical Transport Network (OTN) and Gigabit Ethernet designs move to 100 Gbps. The two silicon merchants have beefed up their FPGA capabilities and positioned themselves as “one-stop shops” through the acquisition of relevant intellectual property (IP) suppliers. The result is that both companies can offer worthy alternatives to ASICs or application-specific standard products (ASSPs) for high-speed Ethernet and OTN applications. But finding a good independent supplier of IP might be a challenge for designers disinclined to use their FPGA supplier’s cores.

Sorting through the 100G IP options

September 16, 2011

Needless to say, each FPGA supplier believes it offers a better product. Altera called Avalon the OTN and Ethernet leader among independent IP houses (including Omiino) when it acquired the company. Xilix’s Garcia, meanwhile, suggested to Lightwave that Omiino’s exclusive focus on IP for FPGAs versus the dual-use nature of Avalon’s IP made Omiino a more seamless fit in FPGA applications – an assertion a Newfoundland Technology Centre executive waved off when asked about it a OFC/NFOEC in March 2011.

Discovery Semiconductors HLPD

September 15, 2011

Discovery Semiconductor is touting the use of its Highly Linear Photodiode (HLPD) technology to create optoelectronic clocks with low phase noise. Such clocks could enable ultra-fast analog-to-digital converters, among other advances, according to sources at the company.

PIC-based small form factor DQPSK demodulator for 40Gbps systems

September 15, 2011

NeoPhotonics Corp., a designer and manufacturer of photonic integrated circuit (PIC)-based modules and subsystems for bandwidth-intensive, high-speed communications networks, announced volume production of its PIC-based small form factor DQPSK demodulator, designed for use in 40Gbps direct-detection, fiber-optic transport systems.

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