Compact triangular resonator without direct coupling between two access waveguides

Kim, D.G.; Oh, Geum-Yoon; Choi, Wonyong; Kim, H.J.; Kim, S.H.; Ki, Hyun Chul; Ko, Hang-Ju; Kim, T.U.; Yang, Myoung Hak; Dagli, N.; Choi, Young‐Wan

doi:10.1049/el:20082141

Cited by 4 publications

(3 citation statements)

References 4 publications

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“…Semiconductor ring cavities offer a large number of applications due to the compact geometry, no need of cleaving and the possibility of integration between active and passive devices [1][2][3][4][5][6][7][8][9][10]. Recently, devices with ring cavities have been widely studied and utilized in several different technologies at all levels of cost in fabrication [11][12][13][14][15][16][17][18][19].…”

Section: Introductionmentioning

confidence: 99%

Single Mode Lasing in InGaAsP/InP Semiconductor Coupled Square Ring Cavities

Hyun¹,

Lee²,

Moon³

2012

Journal of the Optical Society of Korea

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This work reports the stability of the resonant characteristics in multimode interferometer coupled square ring semiconductor cavities. Based on the analysis of single square ring cavities, the single mode operations in the multimode interferometer coupled ring cavities are analyzed and the devices are demonstrated on the semiconductor multiple quantum well epitaxial structure. By varying the lasing conditions such as substrate temperature and input pump power, single resonant mode operations are also observed.

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Section: Introductionmentioning

confidence: 99%

Single Mode Lasing in InGaAsP/InP Semiconductor Coupled Square Ring Cavities

Hyun¹,

Lee²,

Moon³

2012

Journal of the Optical Society of Korea

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“…Owing to very high Q-factor resonances and steep slopes, photonic microring resonators have begun to be employed in biological and chemical sensing [2]. Triangular resonators, also known as ring resonators, can provide an attractive solution for such functions [3]. Very compact cavities can be achieved by combining the total internal reflection (TIR) mirrors with regular waveguides.…”

mentioning

confidence: 99%

“…1 shows the top schematic diagram and a photograph of the fabricated triangular ring resonator integrated with a multimode-interference (MMI) coupler, tapers, TIR mirrors and semiconductor optical amplifiers (SOAs). The ridge waveguide of the ring resonator contains active material and forms the SOAs [3]. The input and output waveguides are connected through the short 15 mm-long linear width tapers.…”

mentioning

confidence: 99%

Sensitivity of triangular resonator with long evanescent field around critical angle

Kim

et al. 2010

Electron. Lett.

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A novel triangular resonator with a long evanescent field around the critical angle has been analysed and demonstrated for the first time. The sensitivity of the resonance shift used for changing the refractive index of 1 × 10 25 at the incidence angle of 188 is 1.04 × 10 27 nm/ RIU for transverse magnetic polarised light. An extinction ratio of 6 dB was observed near 1550 nm, where the incidence angle of the total internal reflection mirror inside the resonator was 188.Introduction: Microring resonators are very desirable for photonic applications owing to their compact features and manifold functionality [1]. Owing to very high Q-factor resonances and steep slopes, photonic microring resonators have begun to be employed in biological and chemical sensing [2]. Triangular resonators, also known as ring resonators, can provide an attractive solution for such functions [3]. Very compact cavities can be achieved by combining the total internal reflection (TIR) mirrors with regular waveguides. One of the TIR mirrors can then be used for the sensing region because of the Goos-Hänchen (GH) effect in the TIR mirror having a sharp incident angle. The TIR mirror having a sharp incident angle increases the evanescent field owing to the GH shift. Because of this, long evanescent fields can be employed to measure the quantities happening in biological events. In this Letter, we propose and investigate a novel triangular ring resonator incorporating a TIR mirror with a long evanescent field to achieve compactness and high sensitivity.

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Analysis of triangular resonator integrated with zinc oxide thin film

Kim

et al. 2013

Opt Quant Electron

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Compact triangular resonator without direct coupling between two access waveguides

Cited by 4 publications

References 4 publications

Single Mode Lasing in InGaAsP/InP Semiconductor Coupled Square Ring Cavities

Single Mode Lasing in InGaAsP/InP Semiconductor Coupled Square Ring Cavities

Sensitivity of triangular resonator with long evanescent field around critical angle

Analysis of triangular resonator integrated with zinc oxide thin film

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