Direct modulation of a tuneable slotted Fabry-Pérot laser with adaptive modulation OFDM

Area of Science:

• Optoelectronics
• Telecommunications Engineering
• Photonics

Background:

• Next-generation optical access networks demand cost-effective lasers, enhanced flexibility, and higher data rates.
• Existing laser technologies may not meet the combined requirements of low cost and high performance for future networks.

Purpose of the Study:

• To investigate the direct modulation capabilities of a low-cost tunable slotted Fabry-Pérot laser.
• To assess the feasibility of using this laser for high-speed data transmission in optical access networks.

Main Methods:

• Direct modulation of a dual-section, 14 nm tunable slotted Fabry-Pérot laser.
• Utilized Amplitude Modulation-Orthogonal Frequency Division Multiplexing (AM-OFDM) for data transmission.
• Characterized the laser's performance and transmission capabilities.

Main Results:

• The tunable slotted Fabry-Pérot laser demonstrated successful direct modulation.
• Achieved a data transmission rate of 10 Gb/s over a distance of 50 km.
• Presented detailed characteristics of the dual-section laser device.

Conclusions:

• The low-cost tunable slotted Fabry-Pérot laser is a viable candidate for next-generation optical access networks.
• Direct modulation with AM-OFDM enables high-speed data transmission over significant distances using this cost-effective laser.
• This technology offers a promising solution for meeting future network demands for performance and affordability.