Controlled Fiber Optic Switching.
Abstract
This program has resulted in the demonstration of a low-loss, low-voltage, high-speed four-section delta-beta-reversal switchable optical directional coupler which has been permanently coupled to single-mode fiber pigtails. The measured coupling losses between switch and fibers approach the measured optimum and theoretical predictions. In addition, experimental integrated-optic circuit losses, including waveguide bend, waveguide offsets, metal electrodes, and fiber-to-channel coupling, are presented. Coupling measurements from single-mode fiber to straight waveguides show losses less than 1 dB. Integrated-optic circuit losses due to waveguide bends and offsets were calculated and measured; these data are in excellent agreement. Although the overall loss of the delivered device is approaching theoretical limits, there are areas where obvious improvements are required.
Document Details
- Document Type
- Technical Report
- Publication Date
- Dec 01, 1980
- Accession Number
- ADA099390
Entities
People
- O. G. Ramer
Organizations
- HRL Laboratories