Lightwave articles from February 2004

Lightwave archives from February 2004

Filter-based variable CD compensators emerge.(Technology)
February 1, 2004... Chromatic dispersion (CD) is a distance-related phenomenon that impedes the quality of an optical signal. In the past, dispersion-compensating fiber (DCF) was the only available method to mitigate its effects. Today, a new class of filter-based...

XFP transceiver demand feels bite from 4-Gbit/sec Fibre Channel.(Focus on)
February 1, 2004... When the 10-Gbit/sec XFP transceiver multisource agreement (MSA) debuted in March 2002, it appeared that the storage market would become the device's first major adopter. Storage heavyweights like Brocade and Emulex numbered among the MSA's 10...

Reach extension of CWDM transmission systems using SOAs.(Focus on)
February 1, 2004... Recently, CWDM transmission systems have attracted considerable interest from system providers. By relaxing component tolerances and eliminating the need for cooled transmission sources, CWDM systems offer a cost-effective way of delivering...

Advanced Fibre Communications (AFC--Petaluma, CA) will acquire North American Access (NAA), a business unit of Marconi Communications, a subsidiary of Marconi Corp. PLC (London).(North America)(Brief Article)
February 1, 2004... Advanced Fibre Communications (AFC--Petaluma, CA) will acquire North American Access (NAA), a business unit of Marconi Communications, a subsidiary of Marconi Corp. PLC (London). AFC's subsidiary will acquire NAA for $240 million in cash...

Calient Networks.(North America)(Brief Article)
February 1, 2004... Calient Networks (San Jose, CA), a provider of intelligent photonic switching systems and software, raised $20 million in its fourth funding round. The new financing raises the total capital invested in Calient to over a quarter-billion...

Open Access (Long Island, NY), a network access company operating in the New York City area, is using Canobeam free-space optical systems from Canon USA (Lake Success, NY), a subsidiary of Canon Inc., in its networks.(North America)
February 1, 2004... Open Access (Long Island, NY), a network access company operating in the New York City area, is using Canobeam free-space optical systems from Canon USA (Lake Success, NY), a subsidiary of Canon inc., in its networks. Open Access uses the Canon...

DuPont Photonics Technologies LLC (Wilmington, MA) selected the Palomar Technologies (Vista, CA).(North America)(Brief Article)
February 1, 2004... DuPont Photonics Technologies LLC (Wilmington, MA) selected the Palomar Technologies (Vista, CA) FAST 60 Optical Alignment System to automate the testing of manufactured planar integrated photonic devices for use in optical networks.

Level(3) Communications (Broomfield, CO) completed the previously announced sale of the Midwest Fiber Optic Network (MFON) to CenturyTel.(North America)(Brief Article)
February 1, 2004... Level(3) Communications (Broomfield, CO) completed the previously announced sale of the Midwest Fiber Optic Network (MFON) to CenturyTel. MFON is a regional communications system that Level(3) acquired through its transaction with Genuity last...

Movaz Networks.(North America)(Brief Article)
February 1, 2004... Movaz Networks (Atlanta) was selected as the optical-networking equipment provider for the National Science Foundation-funded effort to create intelligent end-to-end network transport services for advanced e-science applications. Called Dynamic...

OmniGuide Communications.(North America)(Brief Article)
February 1, 2004... OmniGuide Communications (Cambridge, MA), a company developing hollow-core cylindrical photonic bandgap optical fibers, closed a Series C round of financing of $15 million. New investors are Westbury Partners, which has led the round, and...

Progress Telecom (St. Petersburg, FL), a wholesale broadband services provider, and EPIK Communications (Orlando, FL) combined operations to create a new company, Progress Telecom LLC.(North America)(Brief Article)
February 1, 2004... Progress Telecom (St. Petersburg, FL), a wholesale broadband services provider, and EPIK Communications (Orlando, FL) combined operations to create a new company, Progress Telecom LLC. The company will be headquartered in the Tampa Bay, FL,...

SBC.(North America)(Brief Article)
February 1, 2004... SBC (San Antonio, TX) expanded its metropolitan optical-networking portfolio, furthering the company's national data strategy targeting enterprise customers. The new portfolio includes the OPT-E-MAN switched metro Ethernet service and enhanced...

Litestream Technologies (Tampa, FL) and Superconnect (Houston) turned up consumer fiber to the home (FTTH) installations in Tampa and St. Augustine, FL.(North America)(Brief Article)
February 1, 2004... Litestream Technologies (Tampa, FL) and Superconnect (Houston) turned up consumer fiber to the home (FTTH) installations in Tampa and St. Augustine, FL. Litestream partners with homebuilders to be responsible for the management and operations...

Aduro (Pleasanton, CA), an optical-subassembly company, agreed to acquire Blaze Network Products (Pleasanton).(Hotpick)(Brief Article)
February 1, 2004... Aduro (Pleasanton, CA), an optical-subassembly company, agreed to acquire Blaze Network Products (Pleasanton). Aduro also announced that it has launched its first two optical-subassembly product lines: four-channel, 850-nm-based TOSAs and...

The City of Palo Alto Utilities (CPAU) chose Motorola Broadband Communications Sector (Horsham, Pa) and Quantum Bridge Communications (Andover, MA) to provide a fiber to the premises (FTTP) network to deliver voice, video, and data to select residents in the city.(North America)(Brief Article)
February 1, 2004... The City of Palo Alto Utilities (CPAU) chose Motorola Broadband Communications Sector (Horsham, Pa) and Quantum Bridge Communications (Andover, MA) to provide a fiber to the premises (FTTP) network to deliver voice, video, and data to select...

Columbus Telephone (Columbus, KS), a customer-owned and -operated utility in the southeast corner of Kansas, began construction last month of a new fiber to the premises network reaching the company's nearly 3,400 subscribers.(North America)(Brief Article)
February 1, 2004... Columbus Telephone (Columbus, KS), a customer-owned and -operated utility in the southeast corner of Kansas, began construction last month of a new fiber to the premises network reaching the company's nearly 3,400 subscribers. The company...

Optical ground wire and connectivity products from Corning Cable Systems (Hickory, NC) are now being installed for use in Panama's 400-km national optical-backbone project.(Central/South America)(Brief Article)
February 1, 2004... Optical ground wire and connectivity products from Corning Cable Systems (Hickory, NC) are now being installed for use in Panama's 400-km national optical-backbone project. The installation follows from a contract awarded to Coming in November...

Telefonica International Wholesale Services (Madrid) and Tyco Telecommunications (Morristown, NJ) signed a contract for a network upgrade for the Emergia Cable System, Telefonica's undersea fiber-optic ring network that connects Central, North, and South America.(Central/South America)(Brief Article)
February 1, 2004... Telefonica International Wholesale Services (Madrid) and Tyco Telecommunications (Morristown, NJ) signed a contract for a network upgrade for the Emergia Cable System, Telefonica's undersea fiber-optic ring network that connects Central, North,...

Cogent Communications Group (Washington, DC), a tier one optical Internet service provider, acquired the operating entities of LambdaNet Communications France SAS and LambdaNet Espana SA.(Europe)(Brief Article)
February 1, 2004... Cogent Communications Group (Washington, DC), a tier one optical Internet service provider, acquired the operating entities of LambdaNet Communications France SAS and LambdaNet Espana SA. LambdaNet is the current trade name for what was...

Firma Svyaz, a telephone and Internet service provider in the region of Krasnodar, Russia, successfully completed the deployment of fiber to the premises (FTTP) systems from Terawave Communications (Hayward, CA).(Europe)(Brief Article)
February 1, 2004... Firma Svyaz, a telephone and Internet service provider in the region of Krasnodar, Russia, successfully completed the deployment of fiber to the premises (FTTP) systems from Terawave Communications (Hayward, CA). The carrier will use the FTTP...

Level(3) Communications.(Europe)(Brief Article)
February 1, 2004... Level(3) Communications (Broomfield, CO) expanded its European network to Vienna. The Level(3) network now serves 20 of Western Europe's largest markets. In addition, Level(3) is doubling IP capacity on one of the two network rings it operates...

Vodafone Hungary (Budapest) will use the Tellabs (Naperville, IL) next-generation SDH and access equipment to build its own mobile transport infrastructure, enabling it to become less reliant on leased lines while reducing operating costs.(Europe)(Brief Article)
February 1, 2004... Vodafone Hungary (Budapest) will use the Tellabs (Naperville, IL) next-generation SDH and access equipment to build its own mobile transport infrastructure, enabling it to become less reliant on leased lines while reducing operating costs. By...

ECI Telecom (Petah Tikva, Israel) entered into a strategic relationship with Nortel Networks (Brampton, Ontario) to deliver broadband access networking equipment that will address the increasing global demand for multimedia and triple-play services (voice, video, and data).(Middle East)(Brief Article)
February 1, 2004... ECI Telecom (Petah Tikva, Israel) entered into a strategic relationship with Nortel Networks (Brampton, Ontario) to deliver broadband access networking equipment that will address the increasing global demand for multimedia and triple-play...

Alcatel (Paris) and Beijing Communications, a subsidiary of China Netcom, signed a $20-million contract to build an intelligent optical network in Beijing.(Asia)(Brief Article)
February 1, 2004... Alcatel (Paris) and Beijing Communications, a subsidiary of China Netcom, signed a $20-million contract to build an intelligent optical network in Beijing. The contract was won through Alcatel Shanghai Bell, Alcatel's flagship Chinese company....

Singapore Technologies Telemedia (ST Telemedia) and Global Crossing (Florham Park, NJ) consummated their purchase agreement, allowing a newly restructured Global Crossing to emerge from Chapter 11 proceedings.(Asia)(Brief Article)
February 1, 2004... Singapore Technologies Telemedia (ST Telemedia) and Global Crossing (Florham Park, NJ) consummated their purchase agreement, allowing a newly restructured Global Crossing to emerge from Chapter 11 proceedings. ST Telemedia invested $250 million...

Lucent Technologies (Murray Hill, NJ) and Salira Optical Network Systems (Santa Clara, CA) will work together to deliver network solutions to service-provider customers in the Asia-Pacific region.(Asia)(Brief Article)
February 1, 2004... Lucent Technologies (Murray Hill, NJ) and Salira Optical Network Systems (Santa Clara, CA) will work together to deliver network solutions to service-provider customers in the Asia-Pacific region. Lucent Worldwide Services will leverage its...

Xtellus (Morris Plains, NJ), maker of optical modules and components for reconfigurable optical networks, will supply Korea Photonics Technology Institute (KOPTI--Gwangju City, South Korea) with its Dynamic Blocker Equalizer wavelength-blocker technology.(Asia)(Brief Article)
February 1, 2004... Xtellus (Morris Plains, NJ), maker of optical modules and components for reconfigurable optical networks, will supply Korea Photonics Technology Institute (KOPTI--Gwangju City, South Korea) with its Dynamic Blocker Equalizer wavelength-blocker...

Low-cost optics leverage smart electronics.(update)(Brief Article)
February 1, 2004... One of the current trends in telecommunications fiber-optic components today is to lower the cost of optics by using smarter electronics. Tunable (active) thin films represent one path in this direction. We'll review the implications and...

The more things change, the more they don't.(Editorial)(Editorial)
February 1, 2004... No doubt the sharp-eyed among you noticed the "20th Anniversary" banner at the top of this issue. Yes, Lightwave has completed 20 years of optical communications coverage; our first issue appeared in January 1984. (So, mathematically speaking,...

Redundant power supplies ensure system operation.(Focus on)
February 1, 2004... A power failure that shuts down the system may be acceptable in some applications. However, such a shutdown is not acceptable in a central-office telecom system counted upon to provide uninterrupted communications. For such systems, the...

Vendors plot smoother course for CWDM.(Tech Trends)
February 1, 2004... Almost exclusively, the value proposition for CWDM is based on cost savings to the customer. At the system level, "first-in" cost for CWDM systems is typically on the order of 30-40% less than DWDM systems. There is a technology/cost tradeoff...

Emerging from the bubble.(Corporate Profile)
February 1, 2004... KiloLambda was founded in February 2001 with a mission to become a leading provider of optical components and subsystems to vendors of telecommunication, medical and defense systems, delivering innovative and unique solutions for their next...

Integrated packaging advances tunable lasers.(Focus on)
February 1, 2004... High-yield integrated packaging of optical functions promises to reduce the overall cost of components, since it eliminates redundant hermetic enclosures, fiber pigtails, tap couplers, and splices while improving coupling efficiency. At the...

Optical-chip platform combines liquid crystals with nano-structures.(Focus on)
February 1, 2004... Integration efforts have significantly benefited network lasers and receivers. Not long ago, transmit and receive line cards consisted of a myriad of pigtailed optical components, creating a fiber-optic web of external optical isolators,...

Controlled-mode interaction boosts PLC device designs.(Technology)
February 1, 2004... Component developers have worked on directional-coupler (DC) and Mach-Zehnder interferometer (MZI)-based structures in planar lightwave circuits (PLCs) for several years. Using these basic designs with a myriad of waveguide shaping methods,...

FIS training specialist.(Ask Bruno)(Brief Article)
February 1, 2004... Q I've read about Visual Light Testers, Optical Loss Test Sets, and a host of other testing devices. Can't I just use an OTDR to do all my testing? A In theory, yes. However, some test routines are so simple that using an OTDR would be...

International Telecommunication Union ITU-T completes Recommendation G.695 on CWDM.(Standards Watch)
February 1, 2004... According to the Telecommunications Industry Association (TIA), Internet traffic is set to increase from 180 petabits a day (2002) to 5,175 petabits in 2007. And various reports suggest that one way operators are preparing for that is to invest...

Celion Networks brings long-distance DWDM to the enterprise with single-fiber system.(Product Profile)
February 1, 2004... Connecting data centers in separate cities can be an expensive and complicated endeavor for enterprises. Beyond the myriad equipment necessary for such a connection, the enterprise usually also has to contract for a metro private line at each...

Multiservice SONET platform.(System)
February 1, 2004... The OPTera Metro 3500 next-generation SONET platform enables the creation of new differentiated storage and Ethernet services while lever-aging existing infra-structure. It provides multiservice aggregation through a wide range of inter-faces,...

Reset-free polarization stabilizer.(Subsystem)
February 1, 2004... The PolaStay reset-free polarization stabilizer actively maintains a stable output polarization--in real time and every time--against rapid input polarization fluctuations. It can effortlessly undo the polarization changes caused by an...

Harsh-environment, low-profile transceiver.(Subsystems)
February 1, 2004... For harsh-environment military, aero-space, industrial, and telecommunications applications where significant levels of shock and vibration and/or high temperatures occur, the low-profile optical transceiver has an RJ-45-type footprint but is...

Optical-channel performance monitor.(Subsystems)
February 1, 2004... An athermal VPG-based optical-spectrum-analyzer spectral engine, the IntelliGuard optical-channel performance monitor (OCPM-050-080) is designed for embedded network test applications. Designed for OEM subsystem integration, the Telcordia...

300-pin widely tunable transponder.(Subsystems)
February 1, 2004... The FL-TT10G 300-pin widely tunable transponder can tune over the entire C-or L-band with 50-GHz spacing. Supporting multiple data rates from 9.95 to 11.1 Gbits/sec, it comes with an APD or PIN receiver, a dual-frequency jitter filter, and a...

'Polarization-nulling' OPM.(Subsystems)
February 1, 2004... Argos can monitor not only the optical powers and wavelengths of WDM channels, but also the "true" values of optical-signal-to-noise ratio. Unlike the linear interpolation technique, which can yield misleading results in modern dynamic WDM...

Photonic-crystal calculation, analysis tool.(Design Tools)
February 1, 2004... For the calculation and analysis of band structures of 2-D and 3-D photonic crystals (PCs), BandSOLVE includes advanced layout utilities for both standard and arbitrarily complicated PC structures and fibers. It also features fast and accurate...

Compact, low-TDL, MEMS-based VOA.(Components)
February 1, 2004... The TVA-A1 series MEMS-based variable optical attenuator provides very low TDL at any attenuation level. Its compact tubular design makes it suitable for very-high-density state-of-the-art optical cards and modules. It supports symmetric...

4-channel metro DWDM ROADM.(Components)
February 1, 2004... For metro DWDM network elements requiring the ability to provision a node without a truck roll, the CP-3104 fiber-to-fiber reconfigurable optical add/drop multiplexer can switch any combination of four ITU channels on an individual add/drop...

CWDM SFP transceiver.(Components)
February 1, 2004... The CWDM SFP transceiver is available in eight wavelength channels (1470-1610 nm) compatible with ITU-T G.694.2. It supports multi-rate operation up to 2.67 Gbits/sec and offers minimum link budgets of 18 or 28 dB. The transceiver can be used...

Balanced photodetector.(Components)
February 1, 2004... The BPDV2020R contains two waveguide photodetectors that are situated on a single chip and on-chip-connected to ensure excellent uniformity. The waveguide approach guarantees a linear frequency response in power and phase, even at very high...

Pre-terminated patch and splice unit.(Components)
February 1, 2004... The 19-/23-inch rackmount patch and splice shelf unit has a maximum capacity of 144 fibers. It is pre-terminated and pre-wired into standard connector interconnect panels, with multimode or singlemode SC, ST, FC, as well as Telcordia-compliant...

Tunable optical power splitter.(Components)
February 1, 2004... The 1x2/1x4 tunable optical power splitter can be used as a pure passive device tunable with a screwdriver; as a switch; and as an eVOA, but all attenuated power is moved to the second output port. A signal-controllable version has...

WIC coupler for O-, S+C+L-band.(Components)
February 1, 2004... The M x N WIC coupler can cover the O-band and S+C+L-band with low wavelength dependent loss and high reliability. It can be used for multiwavelength distribution in optical transmitting systems, especially in all kinds of...

Electromagnetic micro-positioner.(Components)
February 1, 2004... The MicroPositioner electromagnetic device provides accurate steering of a free-space propagating optical beam. The tip can carry any micro-optical element and moves it between two latched positions by 0.5 mm. Switching time is below 3 msec,...

1310-nm SFP MSA transceiver.(Components)
February 1, 2004... The HTP2513-401 DO 2.488-Gbit/sec, 3.3-V, 1310-nm, small-form-factor-pluggable (SFP) transceiver is designed for use in high-speed serial SONET OC-48 LR-1 and SDH L16.1 PHY/ PMD/PMA communication data links operating up to 40 km over singlemode...

SEIBI zirconia sleeve.(Components)
February 1, 2004... The SEIBI precision zirconia sleeve is developed in semiconductor materials from SEIBI technologies. A special submergence technique is applied, effectively solving the brittleness of zirconia products. Featuring excellent abrasion resistance,...

High-port-density optical module.(Components)
February 1, 2004... The high-port-density Para-Optix optical module uses a single optically enabled IC offering up to 36 channels at speeds to 3.125 Gbits/sec. Each transmit channel provides 3:1 850-nm VCSEL redundancy accessible through an [I.sup.2]C or RS-232...

2-in-1 CWDM ADM, mux/demux.(Components)
February 1, 2004... The 2-in-1 CWDM device can be used for optical add/drop multiplexing and multiplexing/demultiplexing. The compact (5.5x39-mm) device features low insertion loss, TDL, and high isolation for such networking applications as metro/access,...

Mode-conditioning patch cord.(Components)
February 1, 2004... Designed to eliminate differential mode delay effects that can occur when a singlemode signal is launched into a multimode fiber, the mode-conditioning patch cord is especially suited for applications where new gigabit 1000Base-LX routers or...

DWDM SR, IR, LR tunable transponder.(Components)
February 1, 2004... The TRE7061EN DWDM tunable transponder supports datacom-network applications such as XENPAK, X2, and XFP 10-Gbit/sec pluggable transceivers for short-, intermediate-, and long-reach transmission. As a XENPAK module, it is suited for Ethernet...

1500-nm 21-pin EML module.(Components)
February 1, 2004... Designed for thermally fine-tuned ITU grid fixed-channel matching and electronically tunable fast ITU channel switching, the MTX510EW EML module comes is a 21-pin butterfly package operating at 1550 nm. The packaging features RF input pins on...

Polymer PLC-based 1x2 optical switch.(Components)
February 1, 2004... Based on polymer PLC technology, the 1x2 optical switch can operate in the 1310- and 1550-nm wavelength windows and is suited for such applications as protection switching, optical monitoring, and add/drop multiplexing. Zen Photonics,...

1.25-Mbit/sec response ROSA.(Components)
February 1, 2004... For design into SONET/SDH, Gigabit Ethernet, and Fibre Channel, the G9282-14/G9285-14 receiver optical subassembly has a response of 1.25 Mbits/sec. Typical gain is 2 V/mW at -20 dBm or 2.9 V/mW at -22 dBm and typical sensitivity is 0 to -24...

2.5-Gbit/sec DWDM SFP transceiver.(Components)
February 1, 2004... The Netlight DWDM small-form-factor pluggable transceiver uses cooled laser technology with internal wavelength control management at 2.5-Gbit/sec transmission rates. It addresses the challenge of fiber exhaust and provides an upgrade path to...

Optical-connector assembly.(Components)
February 1, 2004... Certified to Telcordia GR-326, Issue 3, for inside and outside plant optical-connector-assembly quality and reliability, the SC 2-mm assembly is also UL-verified. It is suited for interconnect and crossconnect deployment applications within...

1xN PLC splitter module.(Components)
February 1, 2004... The 1xN(N= 4, 8, 16, 32) planar-light-wave-circuit splitter provides low insertion loss, polarization-dependent loss, and good performance in the wavelength ranges of 1260-1360 nm and 1480-1650 nm. Fi-ra Photonics, Gwangju, South Korea ...

Integrated WDM separator.(Components)
February 1, 2004... Triple Band Separator-WDM is an integrated wavelength-division multiplexer based on thin-film-filter technology, applying triple-fiber collimator and two bandpass filters to separate three wavelengths (bands) in one cylindrical package. In...

Aluminum-based 10-Gbit/sec TOSA.(Components)
February 1, 2004... For 10-Gigabit Ethernet (10GBase-LW/ LR), 10-Gbit/sec Fibre Channel, and OC-192 (SR-1) applications, the NX8341 series 10-Gbit/sec transmitter optical assembly (TOSA) includes a 1310-nm AlGalnAs BH DFB LD. Excellent performance is achieved over...

Position-sensing alignment device.(Components)
February 1, 2004... For fiber alignment and optical-switching applications, the Position Sensor provides high resolution and reliability in the 8501650-nm range. Photosensitive areas of 4, 25, and 100 [mm.sup.2] use high-performance germanium or InGaAs...

Stackable 2.5-Gbit/sec SONET/SDH framer.(Components)
February 1, 2004... The IXF25300 2.5-Gbit/sec SONET/ SDH framer with STS-1 and virtual tributary/tributary unit VT/TU) pointer processor and administrative unit/tributary unit (AU/TU) crossconnect is stackable to 10 Gbits/sec. It provides integrated high-order and...

1.25-Gbit/sec PON FTTH triplexer.(Components)
February 1, 2004... The triplexer is suited for passive-optical-network fiber to the home applications requiring simultaneous transmission and reception of digital and analog information on a single fiber. It includes a 1310-nm Fabry-Perot laser for 1.25-Gbit/sec...

Extended working-distance lensed taper.(Components)
February 1, 2004... The OptiFocus lensed taper provides significantly longer working distances, enabling greater packaging flexibility and ease of use. Working distance is >20 [micro]m with a 3-pro mode-field diameter, 40-dB return loss, and high coupling...

Increased-capacity NAP closure.(Components)
February 1, 2004... For fiber deployment in access networks, the NAP next-generation network-access-point closure supports up to 16 drop cables, doubling the original capacity. It features enhanced wind and ice loading resistance in aerial applications and...

10-Gbit/sec TOSA/ROSA module.(Components)
February 1, 2004... The transmitter/receiver optical sub-assembly (TOSA/ROSA) module pair is suited for 10-Gbit/sec transceiver applications. The TOSA includes an isolator and has Fabry-Perot and DFB laser options, while the ROSA has options for singlemode-and...

4-Gbit/sec SFP Fibre Channel/GbE transceiver.(Components)
February 1, 2004... The 4-Gbit/sec Fibre Channel (FC)/ Gigabit Ethernet transceiver comes in an intelligent small-form-factor-pluggable (iSFP) package with digital diagnostics and rate-select auto-negotiation capability from 1 x-2x and 4x FC. The product supports...

SONET/SDH SerDes transceiver.(Components)
February 1, 2004... For SONET/SDH systems operating from 9.9 to 11.3 Gbits/sec, the VSC8477 16:1 SerDes transceiver includes an integrated multiplexer, an input equalizer, an adaptive demultiplexer, a clock recovery unit, and a clock multiplier unit. A VGA...

PON ONU transceiver module.(Components)
February 1, 2004... The passive-optical-network transceiver module for optical-networking units can handle applications from 155-622 Mbits/sec to 1.25 Gbits/sec. Lightron Fiber-Optic Devices, Taejon, South Korea NOMINEE NO. COMP 31 [ILLUSTRATION OMITTED]

CWDM plug-in module.(Components)
February 1, 2004... The CWDM plug-in module is based on thin-film-filter technology, offering wide channel bandwidth, flexible channel configuration, low insertion loss, and high isolation. It addresses the requirements of metro and access networks, allowing for...

Miniature CWDM module.(Components)
February 1, 2004... The miniaturized CWDM Color-Cube module (19x15.5x8.5 mm) is designed to meet the tough space constraints demanded by metro and access systems. The Polymer Optical Bench platform allows high flexibility in the integration of further functions...

Thin-film channel selector.(Components)
February 1, 2004... The Chameleon CTF-CS channel selector tunes a thin-film tunable filter, which uses a technology that exhibits polarization-insensitive angle-tuning properties across the S-, C- or L-band, while maintaining flat-top bandpass and excellent...

10-Gbit/sec TOSA/ROSA.(Components)
February 1, 2004... The NX8341 series 1310-nm transmitter optical subassembly (TOSA) is fabricated using an aluminum oxidation-free all-selective MOPVE without semiconductor etching to deliver excellent performance over temperature with low current operation. The...

3.3-V 10-Gbit/sec TIA.(Components)
February 1, 2004... Based on 0.25-[micro]m silicon germanium technology, the HDL6F1261-5 trans-impedance amplifier features wide bandwidth (10 GHz), low noise (9 pA/H[z.sup.l/2]), low power, a 3.3-V single power supply, and high transimpedance (3.5 k[OMEGA]...

Integrated power monitor.(Components)
February 1, 2004... For existing and next-generation fiber-optic networks, the miniature inline IPM integrated power monitor senses and monitors the signal status and provides active feedback to oversee the entire system operation. The miniaturized IPM-based...

4-Gbit/sec SFP transceiver.(Components)
February 1, 2004... For emerging 4-Gbit/sec Fibre Channel applications, the AFBR-57R5p digital-diagnostic small-form-factor-pluggable (SFP) transceiver includes an 850-nm laser and offers a standard LC connector. It supports Fibre Channel 4.25-, 2.125-,and...

Optical protector.(Components)
February 1, 2004... A passive component for protecting optical from over-optical power, the optical fuse can protect detectors, optical components, systems, and test equipment. When the optical power exceeds a predetermined threshold, the optical fuse...