Multimode-interference-coupled ring resonators based on total-internal-reflection mirrors

Kim, Doo Gun and Choi, Young Wan and Yi, Jong Chang and Chung, Youngchul and Öztürk, Cem and Dağlı, Nadir (2007) Multimode-interference-coupled ring resonators based on total-internal-reflection mirrors. Japanese Journal of Applied Physics Part 1 (Regular Papers, Brief Communications, Review Papers), 46 (1). pp. 175-181. ISSN 0021-4922 (Print) 1347-4065 (Online)

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We investigate the properties of a multimode-interference (MMI) coupled ring cavity resonator with total-internal-reflection (TIR) mirrors and a semiconductor optical amplifier (SOA) in an InGaAsP material system. The TIR mirrors were fabricated by the self-aligned process with a loss of about 1.4 dB per mirror. The resulting free spectral range (FSR) was approximately 0.8 nin (97 GHz) near 1569 rim. The on-off ratio and the full width at half maximum (FWHM) were 8 dB and 0.152 nm, respectively, corresponding to a finesse of 5.2 and a Q factor of 10,322. Hence, such resonators can be directly integrated with other devices making possible the fabrication of compact and highly functional photonic integrated circuits.
Item Type: Article
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Q Science > QC Physics
Divisions: Faculty of Engineering and Natural Sciences
Depositing User: Cem Öztürk
Date Deposited: 23 Oct 2007 22:03
Last Modified: 25 May 2011 14:09

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