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1Repair Windows errors before they cause bigger problems2Fix the driver behind crashes, sound loss and screen glitches3Clear out junk files and repair common Windows errorsIn February 2000, Lucent Technologies and DiCon Fiberoptics announced LD Fiberoptics LLC, a joint venture to develop integrated passive-optical components for fiber-amplifier applications. Lucent was to hold 51% and DiCon 49%; the venture was to be based in Richmond, California. The companies described a plan—not a verified product launch or a confirmed account of what happened afterward.
What the joint venture planned to make
LD Fiberoptics was intended to develop a family of integrated, multifunctional passive-optical components for fiber amplifiers. The companies said the components would add system functions while lowering cost. The work grew out of a product-development agreement signed in September 1999, which focused on automating production of that component family. A fall 2000 market introduction was an announced target, not confirmation that products reached the market.
Passive components handle optical signals without generating power. In the broader telecom context described at the time, wavelength-division multiplexing (WDM), including dense WDM (DWDM), lets signals from multiple sources travel through one fiber on separate wavelengths. DiCon’s 2006 SEC filing later described product categories in its wider business, including WDMs, amplifier components, switches, attenuators, MEMS devices and modules. That filing provides context for DiCon’s product domain; it does not establish that LD Fiberoptics made each of those products.
How Lucent and DiCon divided the work
| Partner | Announced contribution and role |
|---|---|
| Lucent Technologies’ Microelectronics Group | Automated optical packaging and testing capabilities; planned to incorporate LD Fiberoptics products into Lucent’s optical-fiber amplifier line. |
| DiCon Fiberoptics | Passive-optics products; planned to distribute LD Fiberoptics products to original equipment manufacturers (OEMs). |
The arrangement paired manufacturing and testing capabilities with a route to market through DiCon’s OEM distribution and Lucent’s amplifier business. Financial terms were not disclosed.
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- 【Connector Type】 7dB attenuation amount, SC Female to SC male attenuator for APC end face, adopting high performance attenuated fiber
- 【Operation Wavelength】This attenuator is suitable for both 1310nm and 1550 nm single mode fiber connection
- 【High Attenuation Precision】 Attenuation precision: ±10%, when connector attenuation amount>5dB
- 【Transmission Stability】Reflectance: dB≥50, which ensures the optical power stay in a stable level on its original transmission wave.
- 【Easy Installation】 The simple and compact structure make it very user friendly, just need plug and play for installation
Why the companies said the partnership mattered
The announcement addressed a manufacturing challenge: demand for passive-optical components was growing, while efficient production remained difficult. Dan DiLeo, then president of the Optoelectronics division at Lucent’s Microelectronics Group, said: “The demand for passive-optical components continues to grow rapidly while the industry’s ability to efficiently manufacture these components has until now remained at a virtual standstill.” This was an executive’s characterization in the 2000 announcement, not an independently verified measure.
DiCon president Ho-Shang Lee described the intended technical combination this way: “The combination of DiCon’s high-quality, thin-film-coating technology and precision optics, and Lucent’s state-of-the-art packaging processes gives us a unique advantage in a highly competitive market.” That, too, was a company claim about the partnership’s expected advantage.
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What is known about the venture’s later history
The cited contemporaneous coverage establishes the venture’s announced structure, purpose and plans. It does not establish whether LD Fiberoptics launched products on the targeted schedule, how long the venture operated, or whether it remains active. The announcement therefore supports a report of strategic intent, not a conclusion about the venture’s eventual success or present status.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How to read the market figures from 2000
EE Times reported industry estimates that put the passive-optical components market at $5 billion in 2000 and forecast it would exceed $21 billion over the following five years. Those numbers were estimates and a forecast reported at the time; they are historical context, not current market data or confirmation that the forecast came true.
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Quick Recap
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- 【Attenuators]】Attenuators are a type of optical passive device in fiber optics that can attenuate fiber optic signals, calibrate and correct optical instruments, and debug optical power performance to stabilize and maintain the optical power level in the link without altering the original transmission wave
- 【Specifications】SC/APC singlemode fixed fiber optic attenuator 5 dB, return loss ≥ 60 dB
- 【Characteristic】High attenuation accuracy, low added loss and good stability
- 【Function】Used for attenuation of input optical power, avoiding damage to receiving fiber optic equipment due to excessive input optical power
- 【Applications】Fiber optic CATV, fiber optic communication systems, high power optical device measurement
Rank #4
- 【Connector Type】 10dB attenuation amount, SC-UPC Female to SC-UPC male attenuator, adopting high performance attenuated fiber
- 【Operation Wavelength】This attenuator is suitable for both 1310nm and 1550 nm single mode fiber connection
- 【High Attenuation Precision】 Attenuation precision: ±10%, when connector attenuation amount>5dB
- 【Transmission Stability】 Reflectance: dB≥50, which ensures the optical power stay in a stable level on its original transmission wave.
- 【Easy Installation】 The simple and compact structure make it very user friendly, just need plug and play for installation
Rank #3
- 📡High precision attenuation: LC attenuators offer precise control over signal attenuation, allowing for accurate reduction of optical signal intensity. This feature is crucial in applications such as fiber optic communications and optical networks, where precise power control is required.
- 📡Low insertion loss: LC attenuators exhibit low insertion loss, ensuring minimal energy loss when the optical signal passes through the attenuator. LC/UPC singlemode fixed fiber optic attenuator 7dB,Polarization dependent loss ≤0.2dB and return loss ≥50dB.
- 📡Wide wavelength range: LC attenuators are designed to operate across a wide range of wavelengths, making them suitable for different optical signals. They can effectively work with various wavelengths, from visible light to infrared, catering to the needs of diverse optical systems.
- 📡Reliable connection interface: LC attenuators utilize the standard LC connector interface, which offers reliability and stability. This interface allows for easy plug-and-play operations, excellent compatibility, and long-lasting performance, ensuring a consistent and reliable connection.
- 📡Wide range of applications: LC attenuators are widely used in fiber optic communications, data centers, optical testing, and measurement fields. They provide essential signal control and adjustment functions for optical devices and systems in these applications.
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