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A spot-size converter-integrated 1.3 µm TM mode LD for coupling with surface-plasmon polariton waveguides
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- Authors
- Joong-Seon Choe, Kisoo Kim, Suntak Park, Jin Tae Kim, Jong-Moo Lee, Min-su Kim, Seung Koo Park, Jung Jin Ju
- Issue Date
- 2010-02
- Citation
- Semiconductor Science and Technology, v.25, no.3, pp.1-5
- ISSN
- 0268-1242
- Publisher
- Institute of Physics (IOP)
- Language
- English
- Type
- Journal Article
- Abstract
- A 1.3 館m transverse magnetic (TM) mode laser diode (LD) with a spot-size converter was fabricated and its various characteristics were investigated. At 100 mA, the power ratio of 33 dB was obtained between TM and TE mode using 0.68% tensile strained quantum wells. The device shows far field angles of 10.4째 and 11.7째 in horizontal and vertical directions, respectively, resulting in 3.1 dB coupling loss with a surface-plasmon polariton (SPP) waveguide (WG). The 3 dB alignment tolerance with the SPP-WG is 7.2 館m and 6.8 館m, respectively. 3 dB bandwidth is 6.3 GHz and clear eye-opening is confirmed under 7 Gbps NRZ transmission. © 2010 IOP Publishing Ltd.
- KSP Keywords
- 3-dB bandwidth, Coupling loss, Coupling with, Far-field, Laser diode, Spot size converter(SSC), Surface plasmon(SP), TE Mode, Transverse Magnetic (TM) Mode, alignment tolerance, power ratio