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Multi dual-wavelength generation using InGaAsP/InP passive microring resonator with two sides apodized gratings


Citation

Ahmad, Harith and Iraj Sadegh Amiri and Soltanian, Mohammad Reza Khalifeh and Abdul Latif, Amirah and Norizan, Siti Fatimah and Alavi, Sayed Ehsan (2016) Multi dual-wavelength generation using InGaAsP/InP passive microring resonator with two sides apodized gratings. Materials Express, 6 (3). pp. 245-251. ISSN 2158-5849; ESSN: 2158-5857

Abstract / Synopsis

Generation of dual-wavelength using passive semiconductor microring resonator with two sections of apodized grating with total length of 26 μm on the right and left sides is presented here. In this research we use the time-domain travelling wave (TDTW) method to model and simulate the microring resonator made of InGaAsP/InP waveguide. Microring resonator based optical mirrors and band-limited reflectors have been the subject of intense investigations in recent years. Therefore, we propose the microring resonator made of InGaAsP/InP waveguide having two sides grating section. The grating sections have a trapezoidal profile. The gratings provide the means to suppress repetition of the reflection spectrum at every free spectral range (FSR) removed from the design wavelength. The total grating length is 26 μm (each grating side has length of 13 μm), where the total circumference of the microring resonator is 526 μm. Propagation of the input Gaussian pulse (with 10 mW power and bandwidth of 0.76 ps) within the grating sections is presented, where it shows a good confinement of the propagation within the waveguide. As a result, multiple dual-wavelengths with tunable spacing within a range of 127 pm (15.8 GHz) and 237 pm (29.6 GHz) could be generated at the throughput port of the microring resonator. The dispersion of the grating section versus the total grating length and the frequency response of the throughput port output signals are presented. The generated dual-wavelength has many applications in optical sensing, radio frequency (RF) radiation, optical communication, optical switching, millimetre wave generators and biological research.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Science
DOI Number: https://doi.org/10.1166/mex.2016.1303
Publisher: American Scientific Publishers
Keywords: Microring resonator; Apodized grating; InGaAsP/InP waveguide; Dual-wavelength
Depositing User: Nurul Ainie Mokhtar
Date Deposited: 19 Oct 2017 17:29
Last Modified: 19 Oct 2017 17:29
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1166/mex.2016.1303
URI: http://psasir.upm.edu.my/id/eprint/53346
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