Hybrid External Cavity Lasers Composed of Spot-Size Converter Integrated LDs and UV Written Bragg Gratings in a Planar Lightwave Circuit on Si(Special Issue on Advanced Optical Devices for Next Generation Photonic Networks)

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概要

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• We describe the fabrication method and characteristics of hybrid external cavity lasers composed of a spot-size converter integrated LD(SS-LD)and a UV written Bragg grating in a planar lightwave circuit(PLC) on a Si substrate. The SS-LD is passively aligned on a Si platform formed in the PLC, and the UV grating is created in the PLC with ArF laser irradiation through a phase mask. This structure enables us to fabricate a stable single-mode laser with a precisely controllable oscillation wavelength. By using the above techniques, we obtained a threshold current of 7-8mA and a side mode suppression of 37dB for an external cavity laser operating at 1.3μm. Moreover, we successfully demonstrated a four-channel external cavity laser with a wavelength interval of 2nm±0.1nm by integrating 4 SS-LDs on a PLC and controlling the Bragg wavelengths with ArF laser irradiation without a phase mask.

• 社団法人電子情報通信学会の論文
• 2000-06-25

著者

• Hashimoto Toshikazu

  Ntt Photonics Laboratories

• Hashimoto T

  Toshiba Corp. Kawasaki‐shi Jpn

• Tohmori Y

  Ntt Photonics Laboratories

• TANAKA Takuya

  The authors are with NTT Photonics Laboratories

• TAKAHASHI Hiroshi

  The authors are with NTT Photonics Laboratories

• HIBINO Yoshinori

  The authors are with NTT Photonics Laboratories

• HASHIMOTO Toshikazu

  The authors are with NTT Photonics Laboratories

• HIMENO Akira

  The authors are with NTT Photonics Laboratories

• YAMADA Yasufumi

  The authors are with NTT Photonics Laboratories

• TOHMORI Yuichi

  The authors are with NTT Photonics Laboratories

• Yamada Y

  Department Of Materials Science And Engineering Yamaguchi University

• Hashimoto T

  The Authors Are With Toshiba

• Yamada Y

  Tohoku Univ. Sendai‐shi Jpn

• Hibino Y

  Ntt Corp. Atsugi‐shi Jpn

• Hibino Yoshinori

  The Author Is With Ntt Photonics Laboratories

• Takahashi Hiroshi

  Ntt Photonics Laboratories Nippon Telegraph And Telephone Corp.

• Takahashi Hiroshi

  Ntt Photonics Laboratories Nippon Telegraph And Telephone Corporation

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