DWDM mux/demux components based on multimode fiber provide 8 channels with 200 GHz spacing, for applications that use multimode transmission or have multimode fiber in the receiver. The fiber has a 62.5-µm core, and the device typically has insertion loss <1 dB and polarization loss <0.3 dB over a range of –40°C to 85°C without active temperature control. It has customer-specified starting wavelength tolerance ±0.05 nm, flat-top passband with a –0.5 dB width >0.6 nm, and adjacent channel isolation >30 dB.APA Optics, Blaine, MNwww.apaoptics.com
The Sweepmeter SW1500 wavelength measurement platform provides real-time, sub-picometer absolute wavelength measurement for any ..commercially available swept tunable laser, with a NIST-traceable calibration of every scan. The device delivers a high-speed digital clock signal and synchronizes wavelength and time to subpicometer levels. It allows measurement of DWDM components at scan rates of hundreds of nanometers/s.
Precision Photonics, Boulder, CO
www.precisionphotonics.com
The D3691 4:1 multiplexer and D3692 1:4 demultiplexer handle four data signals ranging from 9 to 12 Gbit/s that are combined to form an aggregate signal of 36 to 48 Gbit/s. The D3693 1:4 PRBS synthesizer converts one PRBS data signal that is between 9.9 and 12 Gbit/s into four PRBS data signals with different phases.
Advantest American Measuring
Solutions, Edison, NJ
www.Advantest.com
The TSOT1610G is a multirate, multi-channel framer and pointer processor IC that can multiplex 16 channels of OC-3 or OC-12 or 4 channels of OC-48 into a single 10-Gbit/s OC-192 optical network system. It allows OEMs to use the same IC with different types of line cards.
Agere Systems, Allentown, PA
www.agere.com
ControLib is the second generation of a software library and toolset that allows users to integrate the company's six-axis alignment engine into custom software applications. It supports Windows NT and 2000 and provides drivers for VisualBASIC, C, and LabVIEW. It includes sample programs and an online help package. A toolbox of routines lets users program complex motion.
Axsys Technologies, Pittsburgh PA
www.axsys.com
The MC460-107E differential driver module from NTT Electronics Corp. is a 10.7-Gbit/s LN modulator driver with Bias Tee embedded. It can be connected directly to a pin-type modulator. The differential output can be adjusted independently, and power consumption is approximately 1 W.
BFI OPTiLAS International SA, Evry, France
www.bfioptilas.avnet.com
Broadband driver amplifier modules are designed for OC-768 optical modulators. The P44R3 is designed for 40-Gbit/s electro-absorption modulators and provides 18-dB gain to 45 GHz with 3.5-V p-p output. The P423R3 is for 40-Gbit/s Mach-Zehnder lithium niobate modulators and provides 27-dB gain at 45 GHz with a 7.5-V p-p output.
Centellax, Santa Rosa, CA
www.centellax.com
The OVA ST optical-vector analyzer tests an entire subsystem or module for insertion loss, polarization dependent loss, group delay, chromatic dispersion, polarization mode dispersion, and optical phase, in subsystems up to 80 m long. Users can scan entire backplanes, modules, or systems made up of several optical components.
Luna Technologies, Blacksburg, VA
www.lunatechnologies.com
The G8909-01 InGaAs PIN photodiode array covers a spectral response range of 900 to 1700 nm. Typical photosensitivity is 0.9 A/W at 1310 nm and 0.95 ..A/W at 1550 nm. It has typical crosstalk of –33 dB and dark current of 0.02 nA. It has a 40-channel parallel readout and measures 22 × 2 × 2.5 mm.
Hamamatsu, Bridgewater, NJ
usa.hamamatsu.com
The TVS-700 radiometric thermal-imaging video system is designed for preventive maintenance and condition monitoring. It has a 320 × 240 microbolometer focal plane array and an integrated 3.8-in. color LCD swivel ..display. It requires no cryogenic cooling or mechanical scanning and can measure temperature differences as small as 0.08°C in the 8- to 14-µm range.
Indigo Systems Corp., Goleta, GA
www.indigosystems.com
The 1341TL transimpedance amplifier is designed for OC-192/STM-64 and 10 Gigabit Ethernet metro and access applications. It operates at data rates up to 10.7 Gbit/s to directly drive a clock and data recovery circuit or transceiver. It has differential gain or 12 kOhms, typical receiver sensitivity of –20 dBm at a BER of 10-12, and differential output swing of 700 mV peak-to-peak.
Inphi, Westlake Village, CA
www.inphi-corp.com
A silicon-on-insulator (SOI) wafer has an oxide layer up to 25 µm thick, as opposed to a typical thickness of 4 µm. It is designed for volume production of MEMS devices by eliminating the need for etching out the backside of the silicon. It can also handle increased mechanical stress. The substrate can be used for pressure and acceleration sensors, IR sensors, and optical switches.
Kawasaki Semiconductor Technology America, San Jose, CA
www.kstworld.com
A planar lightwave circuit switching subsystem is able to switch wavelengths from 1265 to 1610 nm. It has an extinction ratio of at least 45 dB over the entire spectral window and operates by changing the material refractive index. It allows users to cover the C-, L-, and S-bands.
Lynx Photonic Networks,
Calabasas Hills, CA
www.lynxpn.com
Tunable dispersion compensators are designed for 10- and 40-Gbit/s applications. The FQ-40C can tune up to 350 ps/nm with insertion loss of ≤5 dB and group delay ripple of ±2 ps. The FQ-10E can tune up to 1,400 ps/nm with insertion loss of ≤4 dB and delay ripple ±6 ps. Both have optical pass bandwidth ≥0.2 nm, PMD ≤0.5 ps, and power dissipation of 3W.
Mitsubishi Electric and Electronics USA, Sunnyvale, CA
www.mitsubishielectric.com
The Optical Component Tester 8000 can analyze a full range of components measurements over multiple channels simultaneously in a single scan. Measurements include group delay, chromatic dispersion, PMD, PDL, insertion loss, and return loss. The instrument can handle up to 256 channels and has a modular architecture.
PerkinElmer Optoelectronics,
Fremont, CA
www.perkinelmer.com
Bow-tie polarization-maintaining fiber is designed for use in high-data-rate communications systems, laser pigtailing, and polarization-sensitive components. It is available at operating wavelengths of 1300 and 1550 nm, and has a cladding diameter of 80 µm and a coating diameter of 165 µm.
StockerYale, Salem, NH
www.stockeryale.com
The ChAMP Booster is a semiconductor optical amplifier designed for multichannel WDM. It can be used as a single- or multichannel booster and in in-line and pre-amp applications.
Quantum Photonics, Jessup, MD
www.quantumphotonics.com
The MTC5534 micromodule limiting modulator driver is for electrical return-to-zero applications operating from 10.7 to 12.5 Gbit/s. The driver, for a LiNbO3 modulator, has typical jitter of 5 ps p-p and output voltage of 7.5-V p-p. It provides output amplitude control, output pulse width control, and precision amplitude monitoring.
Multilink Technology, Somerset, NJ
www.mltc.com
An all-fiber in-line polarizer comes in three configurations: SM/SM 30 mm; SM/PM 40 mm; and PM/PM 50 mm. It has an extinction ratio >50 dB, insertion loss <0.1 dB, and back reflection <–70 dB. It operates over the 1280 to 1625 nm range. It has a steel tube that measures 30 × 3 mm.
Phoenix Photonics, Surrey, England
www.phoenixphotonics.com
A four-channel electronic variable optical attenuator uses free-carrier absorption through a p-n junction in silicon to achieve response time of megahertz speeds, allowing it to balance fast transient signals. It has attenuation up to 45 dB without dynamic PDL. It has met Telecordia GR1221 qualification.
Bookham Technology,
Oxfordshire, England
www.bookham.com
The Series 4000 variable optical attenuator is designed for receiver protection or for use as a safety switch during transmitter turn-up. The device blocks the transmission of light when no ..voltage is applied and reduces attenuation as voltage increases. Other applications include single- and multichannel power control, equalization, and optical add/drop. It meets Telecordia GR-1209 and GR-1221 requirements.
Lightconnect, Newark, CA
www.lightconnect.com
Linear optical amplifiers allow coarse wavelength-division-multiplexing systems to handle long-reach applications by performing a function similar to that of erbium-doped fiber amplifiers in DWDM systems.
Transmode Systems AB, Stockholm, Sweden
www.transmode.se