Casela to show high power DFB lasers at OFC 2023
DFB lasers achieve 125mW to 200mW optical power when uncooled and 300 to 400mW when cooled
Casela Technologies, a semiconductor laser company with operations in Nanjing, Taipei, and Silicon Valley, has introduced 1310nm band high-power, continuous-wave (CW) distributed feedback (DFB) lasers with record high power conversion efficiency and optical powers for silicon photonics-based transceivers.
Casela’s new 1 and 2 mm long DFB lasers achieve 125mW to 200mW optical power when uncooled and 300 to 400mW, respectively, when cooled, enabling the use of single laser for DR4 and DR8 transceivers.
High optical powers are achieved at power conversion efficiencies of 30 percent when cooled and 20 percent when uncooled operating at the maximum rated power. Key features include large modes with near-circular profiles that improve coupling efficiency to fibres or silicon-based waveguides and reliable operation proven during accelerated life testing. The same high-efficiency, high-power laser design is also available at other WDM, LAN-WDM and CWDM4 wavelengths.
The new laser, along with Casela’s other products, will be on display at the OFC (Optical fibre Communication Conference) in San Diego, Calif., from March 5 - 9, 2023.