10 February 2009 Monolithically integrated 4x4 SOA switch fabricated using quantum well intermixing
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Abstract
Monolithically-integrated semiconductor optical amplifiers (SOAs) have the potential for enabling high-speed and low-crosstalk optical switches in reconfigurable optical add-drop multiplexers (ROADMs). Using integrated 4x4 switches as the building blocks for large-scale ROADMs, instead of 2x2 switches, will reduce alignment issues and assembly steps during manufacturing. The switch is based on SOAs, quantum well intermixed (QWI) passive 1x4 MMI splitters/combiners, and total internal reflection mirrors. We present the results of the 4x4 switch design, for a switch of 5.3 mm x 3.5 mm in size, with estimated total excess on-chip losses of 23 dB.
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Ronald Millett, Ronald Millett, Karin Hinzer, Karin Hinzer, Trevor Hall, Trevor Hall, Maxime Poirier, Maxime Poirier, Henry Schriemer, Henry Schriemer, "Monolithically integrated 4x4 SOA switch fabricated using quantum well intermixing", Proc. SPIE 7219, Optoelectronic Integrated Circuits XI, 72190K (10 February 2009); doi: 10.1117/12.808203; https://doi.org/10.1117/12.808203
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