Performance optimisation of reconfigurable optical add-drop multiplexers employing Opto-VLSI processors

Mingya Shen; Feng Xiao; Kamal Alameh

doi:10.1117/12.843405

26 October 2009 Performance optimisation of reconfigurable optical add-drop multiplexers employing Opto-VLSI processors

Mingya Shen, Feng Xiao, Kamal Alameh

Proceedings Volume 7516, Photonics and Optoelectronics Meetings (POEM) 2009: Optoelectronic Devices and Integration; 75160I (2009) https://doi.org/10.1117/12.843405
Event: Photonics and Optoelectronics Meetings 2009, 2009, Wuhan, China

Abstract

In this paper, we propose and experimentally demonstrate the principle of a novel reconfigurable optical add-drop multiplexer (ROADM) structure employing an Opto-VLSI processor. The ROADM structure integrates two arrayed waveguide gratings for wavelength division multiplexing and demultiplexing, a 4-f imaging system comprising a fiber array, an imaging lens array and a reflective Opto-VLSI processor. The Opto-VLSI processor is driven by phase holograms to switch the various wavelength channels between the fiber ports to achieve "through" or "drop" operations. Phase hologram optimization is investigated, for maximising the number of wavelength channels while keeping adequate insertion loss and crosstalk levels. Experimental results are shown, which demonstrate the principle of the ROADM with crosstalk of less than -30dB and insertion loss of less than 6dB for the drop and through operation modes.

Citation Download Citation

Mingya Shen, Feng Xiao, and Kamal Alameh "Performance optimisation of reconfigurable optical add-drop multiplexers employing Opto-VLSI processors", Proc. SPIE 7516, Photonics and Optoelectronics Meetings (POEM) 2009: Optoelectronic Devices and Integration, 75160I (26 October 2009); https://doi.org/10.1117/12.843405

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KEYWORDS

Holograms

Imaging systems

Imaging arrays

Multiplexing

Wavelength division multiplexing

Multiplexers

Signal attenuation

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