Integrated Tunable Laser Assembly operates in C-band window.

Press Release Summary:

Suited for use from 1,528-1,563 nm, LamdaFLEX(TM) iTLA continuous wave tunable laser source provides internal SBS dither generation, direct input path for trace tone functionality, and field programmable firmware. Laser and control electronics are pre-mounted on dedicated circuit board to facilitate integration with users' system. Core tunable technology is built on monolithic structure with no moving parts.

Original Press Release:

Bookham iTLA Underpins Next Generation Tunable Technology

European debut for fully qualified iTLA at ECOC 2006

San Jose, CA - September 21 2006, Bookham, Inc. (Nasdaq: BKHM), a leading provider of optical components, modules and subsystems, today announced that its integrable tunable laser assembly (iTLA) is now fully qualified and in full volume production from the company's manufacturing facility in Shenzhen, China. The product, which will be featured at ECOC next week, is also underpinning the next generation of tunable technology with its incorporation into two ground-breaking new products.

The Bookham DS-DBR technology is forming the building block for two new products, both of which are believed to be the first of their kind in the world. The Bookham wideband tunable transmitter assembly module (TTA) is aimed at long haul and regional metro applications and co-packages the LambdaFLEX(TM) wideband tunable laser with an InP Mach-Zehnder (MZ) modulator to provide transmitter functionality in a cost-effective, small, iTLA-sized footprint package. Bookham is driving the TTA through the OIF to set a new market standard for tunable technology. The tunable DS-DBR and InP MZ technology are also being incorporated into a small form factor (SFF) 300pin Wideband Tunable Transponder.

"Tunability is vital in providing the flexibility and scalability needed to ensure that networks can cope with increasing demand, both today and in the future," said Adam Price, Director, Product Line Management at Bookham. "Bookham pioneered tunable technology with its monolithic DS-DBR laser and is now continuing that tradition of innovation with the iTLA and the next generation of tunable technology. To make tunability a viable, cost-effective option for vendors, Bookham has invested in its proven high volume manufacturing capability, particularly at the company's Shenzhen site."

The current LamdaFLEX(TM) iTLA is a high performance continuous wave (CW) tunable laser source for use in the C-band window from 1528m to 1563nm. Based on the OIF MSA outline, the laser and control electronics are pre-mounted on a dedicated circuit board to ensure that customers can integrate it with their systems as quickly as possible. The product also provides a number of market-leading functions, such as low line width, internal SBS dither generation, direct input path for trace tone functionality and field programmable firmware. Such features provide the flexibility required for next generation optical networks, particularly where extended reaches are becoming more common.

The LambdaFLEX(TM) portfolio is based on the Bookham fully qualified tunable laser chip. Unlike many other tunable lasers, the Bookham core tunable technology is built on a monolithic structure with no moving parts. This enables very fast tuning times and ensures excellent reliability, comparable to that offered by legacy DFB lasers. It also brings cost-effective wideband tunability to long haul and regional metro applications.

For a high resolution photograph of the Bookham iTLA, TTA or SFF wideband tunable transponder, please contact

To arrange an interview with Bookham or a tour of the Bookham stand, please contact

Notes to editors
1. The Bookham iTLA, TTA and SFF wideband tunable transponder will be on display at the Bookham stand (no. 189) at ECOC 2006.
2. The European Conference and Exhibition on Optical Communication (ECOC) is taking place at the Palais des Festivals & des Congrès in Cannes between the 24th and 28th September. ECOC is the second largest event of its kind in the world. For more information please visit
3. Bookham will be commenting on the evolution of metro and core networks from a component perspective at the ECOC Market Focus at 14.45 on Tuesday, 26th September.

Contact Info:
Joanne Bradbeer
Bookham, Inc.
+44 (0) 1327 350581

Bookham, Inc. (NASDAQ: BKHM) is a global leader in the design, manufacture and marketing of optical components, modules and subsystems. The company's optical components, modules and subsystems are used in various applications and industries, including telecommunications, data communications, aerospace, industrial and military. Since 2002, the company has acquired the optical components businesses from Nortel Networks and Marconi, as well as Ignis Optics, Inc., the business of Cierra Photonics Inc., New Focus, Inc., and Onetta, Inc. The company has manufacturing facilities in the UK, US, Canada, China and Switzerland; and offices in the US, UK, Canada, France and Italy and employs approximately 2000 people worldwide.

More information on Bookham, Inc. is available at

Bookham and all other Bookham, Inc. product names and slogans are trademarks or registered trademarks of Bookham, Inc. in the USA or other countries.

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