High speed and low loss, bulk electroabsorption waveguide modulators at 1.3 mu m
- 1 October 1991
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 3 (10) , 894-896
- https://doi.org/10.1109/68.93253
Abstract
Bulk InGaAsP electroabsorption waveguide modulators based on a novel multiquaternary layer design which have a tapered-fiber-modulator-tapered-fiber insertion loss as low as 4.5 dB and a small-signal frequency response in excess of 11 GHz at lambda =1.33 mu m are described. This design allows one to decouple somewhat the electrical and optical properties of the device. By choosing the appropriate quaternary composition of the core and the cladding layers, the coupling to a tapered fiber can be optimized, while the position and thickness of the p-i-n junction can be varied independently to meet operating voltage and speed requirements without affecting the waveguide mode. A -3 dB small-signal modulation bandwidth in excess of 11 GHz was measured.Keywords
This publication has 8 references indexed in Scilit:
- High-speed bulk InGaAsP-InP electroabsorption modulators with bandwidth in excess of 20 GHzIEEE Photonics Technology Letters, 1990
- InGaAs/InAlAs Multiple Quantum Well (MQW) Optical Modulators Employing a Thick p-i-n MQW CorePublished by Optica Publishing Group ,1990
- Low-loss InGaAs/InP multiple quantum well optical electroabsorption waveguide modulatorApplied Physics Letters, 1987
- Design of optimized high-speed depletion-edge-translation optical waveguide modulators in III-V semiconductorsApplied Physics Letters, 1987
- Numerical analyses of the modal eigenfunctions of chirped and unchirped multiple-stripe-geometry laser arraysJournal of the Optical Society of America A, 1987
- Electroabsorption in InGaAsP-InP double heterostructuresElectronics Letters, 1984
- Effect of uniaxial stress on optical gain in semiconductorsJournal of Applied Physics, 1984
- Electroabsorption in Aly Ga1−y As–Alx Ga1−x As double heterostructuresApplied Physics Letters, 1973