1 MINIATURE LASER A miniature optical subassembly from NEC combines a laser that measures 3.8 mm in diameter with a standard LC connector sleeve. It is designed for use in small form factor and small form pluggable transceiver modules. The Fabry-Perot laser emits at 1310 nm through a pluggable fiber-to-laser interface for fixed optical coupling. It is stable from -40°C to 85°C, and is designed to prevent backreflection. Models are available for OC-3, OC-12, and OC-48 transmission.
California Eastern Laboratories, Santa Clara, CA
2 ALIGNMENT SYSTEM The HexAlign photonics alignment system is designed to align arrays, waveguides, and collimators. It uses a vector-based hexapod drive system with six degrees of freedom, and can align an array in a few seconds. It uses optical metrology and comes with several scan-and-align software utilities. An optional scanner provides 1-nm closed-loop resolution over a 100 x 100 x 100-µm scanning range.
Polytec PI, Auburn, MA
3 MINIATURE POWER MONITOR A miniature optical power monitor integrates a micro-tap and PIN photodiode in a coaxial package. It measures 3.5 x 20 mm to save board space and eliminate fiber splicing. Its operating wavelengths can be customized to cover the C-, L-, or S-bands or the C- and L-bands combined. Tap ratios from 1% to 5% are available.
Lightwaves2020, Milpitas, CA
4 OPTICAL VECTOR ANALYZER The OVA 1550 is an optical vector analyzer for characterization of optical components used in high-bit-rate applications such as DWDM. The device uses a laser interferometric technique that provides complete optical analysis in a single sweep in <300 ms/nm. It can test most components over their full range in less than 30 seconds. It measures insertion loss, PMD, PDL, group delay, and chromatic dispersion, as well as second-order PMD and simultaneous measurement of crosstalk/isolation.
Luna Technologies, Blacksburg, VA
The CHADIQh-1 is an odd-form, final assembly, and photonics assembly platform driven by a linear motor. It measures 50 x 70 x 80 in. and has a variety of options for feeding and conveyance, part-handling, and programming and intelligence. It can handle fully automatic photonics-device assembly applications.
Adept Technology, San Jose, CA
The 816128B optical head can measure optical power levels up to +37 dBm, and allows fully traceable measurements from 800 to 1700 nm. The optical head is combined with an integrating sphere that can be rotated to optimize the input port position and allows for most connectors.
Agilent Technologies, Palo Alto, CA
A series of junction field-effect transistor amplifiers are designed for use with optical networking equipment. The AD8610 has maximum offset voltage of 100 µV and noise of 6 nV/&8730;Hz. It is available in 8-lead small-outline integrated circuit or miniature small-outline packaging. The AD8512 and AD8513 come with other specifications.
Analog Devices, Norwood, MA
An optical-channel performance monitor is designed to dynamically supervise key optical parameters of reconfigurable DWDM networks. It comes with 256- or 512-element InGaAs detector arrays, and has wavelength accuracy of ±15 pm, spectral resolution of 50 pm, dynamic range of 60 dB, optical signal-to-noise ratio of 30 dB, repeatability of ±0.2 dB, and accuracy of ±0.5 dB for the C- and L-bands.
BaySpec, Fremont, CA
The Flamethrower-XGLX4 transceiver for CWDM systems complies with 10GBASE-LX4 standards and comes in the XENPAK MSA pluggable form factor. The four-channel transceiver, designed for use with 10 Gigabit Ethernet, can transmit over 10 km of single-mode fiber or 300 m of multimode fiber. It has an XAUI electrical interface.
Blaze Network Products, Dublin, CA
IR LASER SOURCE
An infrared-laser light source includes Fabry-Perot laser diodes for output on major telecommunications wavelengths via 980-, 1310-, 1480-, 1550-, and 1620-nm channels. It has five separate FC-connector outputs, each with an activation switch. It has bandwidth of <5 nm FWHM, output of 1 to 2 mW, modulation from cw to 200 Hz, and power stability of ±0.005 dB to 15 minutes and ±0.05 dB to 8 hr.
Edmund Industrial Optics, Barrington, NJ
The IQ-12004B DWDM passive-component test system now includes a multipath testing option, allowing spectral characterization of multiple components or single components with multiple input ports. It can measure insertion loss, polarization-dependent loss, and optical return loss.
Exfo, Quebec City, Que., Canada
The PS-700 polarization-independent scrambler processes signals between 1310 and 1610 nm. It can modulate the state of polarization of a transmitted optical signal, reducing polarization-dependent effects. It can be used to measure PDL in components and subsystems. It comes with FC/UPC and FC/APC connectors or bare fiber.
FiberControl, Holmdel, NJ
TEST EQUIPMENT GUI
EPXam Pro is a graphical user interface for the company' s EPX line of SONET/SDH test equipment. The program can be used from a local or remote location, and supports Windows as well as HP-UX and Solaris platforms. It provides visual diagrams of the backplane configuration and front panel, and has a logging wizard and streamlined script writing.
Gnubi Communications, Dallas, TX
The LDC-3926 laser-diode controller can drive up to 6 A in each of 16 channels. It accepts all 10 modules from the LDC-3916 controller, providing maximum drive currents from 500 mA to 6 A. It also comes in a TEC temperature-control model. It has a front-panel interface, GPIB/IEEE488.2 communications, and diode protection features.
ILX Lightwave, Bozeman, MT
The TEC-8 is a GPIB-controlled, rack-mountable instrument that provides bidirectional heating and cooling for up to eight independent thermoelectric cooling elements. Temperature can be adjusted in a range of -20°C to 80°C using a temperature sensor with a nominal resistance of 10 k-ohm at 25°C. Power is adjustable from 3 to 12 VDC.
Interface Technology, Walnut, CA
The GT10-TRU 10-Gbit/s transponder module supports all current 10-Gbit/s rates, including OC-192, 10 Gigabit Ethernet, forward error correction, and Digital Wrapper. It measures 2.2 x 3 x 0.53 in. and has a standard 300-pin connector. It supports distances of 2, 12, and 40 km at 1310 and 1550 nm. Typical power consumption is 5 W.
GTRAN, Newbury Park, CA
The 7-Sea WDM 980/1550-nm couplers are designed for submarine uses. The all-fiber devices provide coupling of 980-nm pump power and 1550-nm signals in optical amplifiers. In the C-band, they have typical insertion loss of <0.1 dB and isolation of >0.25 dB. In both C- and L-bands, they have PDL <0.04 dB, return loss of >55 dB, and PMD of 0.05 ps.
ITF Optical, St.-Laurent, Que., Canada
Semiconductor optical amplifier (SOA) modules operate over the entire C-band and are available in the CQF872 polarization-independent version and CQF87 polarization-maintaining version, with two integrated optical isolators. Gain is 20 and 16 dB respectively, typical saturation output power for both models is 10 dBm. Typical polarization-dependent gain is 1 dB.
JDS Uniphase, San Jose, CA
MEMS OPTICAL ATTENUATOR
The DVOA2201 digital variable optical attenuator is based on dynamic MEMS. It has typical insertion loss of 0.8 dB, PDL of 0.10 dB at 10 dB, spectral flatness of 0.17 at 10 dB, and a speed <100 µs. It provides open-loop control and allows the user to dynamically change attenuation via a standard serial interface, on a 5-V power supply.
Lightconnect, Newark, CA
PNEUMATIC ALIGNMENT STAGES
A line of pneumatic linear translation stages for fiber-alignment applications move loads of up to 50 kg up to 75 mm and position them with 2-µm repeatability, at up to 100 mm/s. They can position fibers and components to within 10 nm, and are designed for automation in telecom component manufacturing.
Melles Griot, Ely, Cambridgeshire, England
The MTC5593 clock and data recovery (CDR) module is designed to regenerate the clock and data component from an incoming 12-Gbit/s non-return-to-zero or return-to-zero data stream. It measures 60.9 x 27.9 x 12.7 mm, operates from -5°C to 70°C, and uses <2 W. A built-in variable delay line provides a tuning range >90 ps.
Multilink Technology Corp., Somerset, NJ
PHOTODIODE PREAMP MODULE
The OD9651N photodiode module is based on InGaAs and includes a transimpedance amplifier and an integrated preamp for use in OC-192 fiberoptic networks. It is available at carrier rates of up to 10.7 Gbit/s, and operates from 0°C to 70°C, with a typical responsivity of 0.8 A/W at 1550 nm. It comes in a 17-pin, low-profile, surface-mount package.
OKI Semiconductor, Sunnyvale, CA
The ITMA integrated tap-monitor array is a multichannel power monitor for optical networks. It can monitor up to eight channels in the C- and L-bands, and integrates the abilities of an optical coupler and a photodetector.
Oplink Communications, San Jose, CA
PM CABLE ASSEMBLIES
A line of polarization-maintaining (PM) cable assemblies provides PM cable with a small form factor with LC and MU connectors. The assemblies have a standard return loss better than 50 dB and a standard insertion loss of 0.5 dB per connector against master. They are available with 2- or 1.6-mm cable or 900-µm buffered fiber.
Photon Advanced Technologies, Ottawa, Ont., Canada
Multiple-beam-analysis software for the company' s BeamScan Text Box allows the user to evaluate various standard beam parameters. It helps users evaluate components for DWDM applications. The user can examine one beam out of many or view the entire set. The software can measure the angular separation between two beams in real time.
Photon, San Jose, CA
Phase masks for manufacturing fiber Bragg gratings are made using electron-beam patterning and quartz etching. Mask features are between 340 and 535 nm, with changes in pitch from 0.05 nm/cm to 35 nm/cm, depending on application. Stitching errors from the electron-beam process are low enough to blend into the reflection-spectra background noise.
Photronics, Jupiter, FL
The Q8480 dispersion optical time-domain reflectometer from Avantest allows dispersion measurements on fiberoptic networks. It measures chromatic dispersion of fibers as a function of length with a resolution of 0.01 ps/nm/km. It works from 1530 to 1560 nm at a resolution of 0.1 nm, with pulse widths between 2 ns and 10 µs.
Rohde & Schwarz UK Ltd., Fleet, England
TUNABLE LASER COMPONENT
The SmarTX tunable laser component uses an external-cavity design to achieve a 40-nm tuning range with an output power >10 mW. The device is continuously tunable, with wavelength locking for DWDM systems with channel spacings down to 50 GHz. Devices are available for both the C- and L-bands.
Santec Europe Ltd., Oxford, England