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Monolithically integrated InP-based photonic chip development for O-CDMA systems
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2005 (English)In: IEEE Journal of Selected Topics in Quantum Electronics, ISSN 1077-260X, E-ISSN 1558-4542, Vol. 11, no 1, 66-77 p.Article in journal (Refereed) Published
Abstract [en]

This paper discusses photonic integration efforts toward developing an InP-based inonolithically integrated photonic chip for optical code-division multiple-access (O-CDMA) system applications. The chip design includes the colliding pulsed mode (CPM) locked laser, the. Mach-Zehnder interferometer-based threshold detector (MZI), and the monolithic O-CDMA encoder/decoder chip based on array-waveguide-gratings and phase modulator arrays. The compact 4 x I cm monolithic chip can replace a complex and large O-CDMA setup based on bulk optics. The integration technique involves active-passive integration using dry etching, metal organic chemical vapor deposition growth, and lateral hydride vapor phase epitaxy regrowth technologies. The fabricated CPM showed stable 1.54 ps modelocked laser output, the MZI showed excellent O-CDMA threshold detection, and the O-CDMA encoder showed Walsh-code O-CDMA, encoding. Further, the fabricated devices showed excellent planarity, which accelerate our progress toward monolithic integration of O-CDMA systems.

Place, publisher, year, edition, pages
2005. Vol. 11, no 1, 66-77 p.
Keyword [en]
arrayed waveguide gratingg, colliding pulse mode (CPM) locked laser, InP, Mach-Zehnder interferometer (MZI), monolithic integration, nonlinear threshold detector, optical code-division multiple-access (O-CDMA), photonic integration, mode-locked laser, 1.5 mu-m, locking, pulses, phase
URN: urn:nbn:se:kth:diva-14531DOI: 10.1109/jstqe.2004.841710ISI: 000227014900008ScopusID: 2-s2.0-20044370530OAI: diva2:332572
QC 20100525Available from: 2010-08-05 Created: 2010-08-05Bibliographically approved

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Lourdudoss, Sebastian
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Microelectronics and Information Technology, IMIT
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