Young-Il Kim 윤태훈 이석 김선호 2024-01-21T12:39:32Z 2024-01-21T12:39:32Z 2022-01-10 2001-03 1226-4776 https://pubs.kist.re.kr/handle/201004/140644 Optical Society of Korea Effect of chirped grating on optical bistability in λ/4-shifted semiconductor DFB devices Article 2 Journal of the Optical Society of Korea, v.5, no.1, pp.5 - 8 Journal of the Optical Society of Korea 5 1 5 8 optical bistability