Bandwidth9 to make 1.6-mm VCSELs

May 15, 2000
Connie Chang-Hasnain, president and CTO of Bandwidth9 (Fremont, CA), described the successful manufacture of a high-performance, long-wavelength vertical-cavity surface-emitting laser (VCSEL) during a recent conference.

Connie Chang-Hasnain, president and CTO of Bandwidth9 (Fremont, CA) and currently on industrial leave from the University of California-Berkeley, described the successful manufacture of a high-performance, long-wavelength vertical-cavity surface-emitting laser (VCSEL) during a postdeadline paper last week at the annual Conference on Lasers and Electro-Optics (CLEO) in San Francisco. The paper, "High-performance 1.6-µm single-epitaxy top-emitting VCSEL," focused on the manufacture of what Chang-Hasnain described as the first single-epitaxy, monolithic, top-emitting VCSEL. The device operates in the CW mode at temperatures up to 55°C without requiring any heat-sinking and emits in a single transverse mode with fixed polarization. "Bandwidth9 has demonstrated an output power of 0.45 mW over 50-km fiber transmission at 2.5 Gbit/s without optical amplification," she said.

About the Author

Hassaun A. Jones-Bey | Senior Editor and Freelance Writer

Hassaun A. Jones-Bey was a senior editor and then freelance writer for Laser Focus World.

Sponsored Recommendations

Brain Computer Interface (BCI) electrode manufacturing

Jan. 31, 2025
Learn how an industry-leading Brain Computer Interface Electrode (BCI) manufacturer used precision laser micromachining to produce high-density neural microelectrode arrays.

Electro-Optic Sensor and System Performance Verification with Motion Systems

Jan. 31, 2025
To learn how to use motion control equipment for electro-optic sensor testing, click here to read our whitepaper!

How nanopositioning helped achieve fusion ignition

Jan. 31, 2025
In December 2022, the Lawrence Livermore National Laboratory's National Ignition Facility (NIF) achieved fusion ignition. Learn how Aerotech nanopositioning contributed to this...

Nanometer Scale Industrial Automation for Optical Device Manufacturing

Jan. 31, 2025
In optical device manufacturing, choosing automation technologies at the R&D level that are also suitable for production environments is critical to bringing new devices to market...

Voice your opinion!

To join the conversation, and become an exclusive member of Laser Focus World, create an account today!