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Chirp Parameter in Strained Coupled Quantum Well Electroabsorption Modulators
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Armin Arashmehr
Published/Copyright:
August 7, 2014
Abstract
Dependence of chirp parameter of a coupled double quantum well electroabsorption modulator at wavelength 1.55 µm on the structural parameters such as wells widths and strain of wells is studied. For this purpose, we calculate the absorption of structure under applied electric fields and then solve the Kramers-Kronig relation to obtain field-induced refractive index changes. Results show that the chirp parameter is strongly dependent on the first well width and strain variation. The wider well with the compressive strain results in reduction of chirp parameter. The second well parameters effect is weaker than that of the first well. Results show that by proper design of absorption region, all negative chirp can be achieved.
Received: 2014-3-6
Accepted: 2014-6-26
Published Online: 2014-8-7
Published in Print: 2014-12-1
©2014 by Walter de Gruyter Berlin/Munich/Boston
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Articles in the same Issue
- Frontmatter
- Devices
- Chirp Parameter in Strained Coupled Quantum Well Electroabsorption Modulators
- Fibers
- A Simple Method for Prediction of Effective Core Area and Index of Refraction of Single-mode Graded Index Fiber in the Low V Region
- Lasers
- A Route to Chaos after Bifurcation in a Two-section Semiconductor Laser Using Opto-electronic Delayed Feedback at Each In-current
- Networks
- A Multicast Routing to Improve Multicast Capacity with Minimal Network Coding Cellsin WDM Networks
- Yen-BSR: A New Approach for the Choice of Routes in WDM Networks
- A Review on Successive Interference Cancellation Scheme Based on Optical CDMA Network
- Systems
- Improved Performance Investigations on OFDM-RoF Transmission Links Using ODSB and OSSB Modulation Techniques
- Dynamic Bandwidth Allocation with Effective Utilization of Polling Interval over WDM/TDM PON
- Comparison of Aperture Averaging and Receiver Diversity Techniques for Free Space Optical Links in Presence of Turbulence and Various Weather Conditions
- The Role and Challenges of Free-space Optical Systems
- Multicanonical Determination of the Symbol Error Ratio of WDM Polarization Multiplexed QPSK Systems
- Properties of Bidirectional Lump Raman Amplification for Co-use of 10 G-EPON and TWDM-PON Systems
- Theory
- Research of QoS on Upward Dynamic Bandwidth Burst Service in GEPON by Numerical Analysis
