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State selection of a bistable SOA ring laser for bit level optical memory applications

Wang, Bing C. and Xu, Lei and Baby, Varghese and Glesk, Ivan (2002) State selection of a bistable SOA ring laser for bit level optical memory applications. IEEE Photonics Technology Letters, 14 (7). pp. 989-991. ISSN 1041-1135

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Abstract

In this letter, we demonstrate the selection between two bistable states of a semiconductor fiber ring laser, using bits from a timeslot channel switched out using a terahertz optical asymmetric demultiplexer. By changing the selected timeslot channel, we were able to change the semiconductor fiber ring laser from a state with a two-peak output at 1570.6 and 1579 nm to a state with one-peak output at 1570.6 nm. This structure has potential application to optical memories.