Wavelength-tunable duplex integrated light source

Hiroshi Okamoto, Hiroshi Yasaka, K. Oe

研究成果: Conference contribution

抄録

A monolithically integrated opto-electronic device is proposed as a fast wavelength-switching light source. This tunable duplex integrated light source comprises two wavelength-tunable distributed Bragg reflector (DBR) laser diodes (LDs), two MQW-electro-absorption optical switches, a Y-shaped waveguide coupler, a MQW-electro-absorption modulator, and two thermal drift compensators (TDCs). The wavelength-switching time of the optical switches was estimated to be 60 ps including a 50-ps rise time for the electrical-pulse generator. The wavelength of a 10-Gbit/s NRZ-modulated optical signal can be switched without bit loss. The function of the TDCs is to keep the device-chip temperature constant. Thermal-transient- induced wavelength drift with a millisecond-order time constant, which has been reported for DBR-LDs, and thermal crosstalk between the tuning regions of the integrated LDs, which causes wavelength fluctuation, are effectively suppressed by thermal-drift-compensation operation using the TDCs.

本文言語English
ホスト出版物のタイトルProceedings of SPIE - The International Society for Optical Engineering
編集者Paul A. Morton, Deborah L. Crawford
ページ118-126
ページ数9
2684
出版ステータスPublished - 1996 1 1
外部発表はい
イベントHigh-Speed Semiconductor Laser Sources - San Jose, CA, USA
継続期間: 1996 2 11996 2 2

Other

OtherHigh-Speed Semiconductor Laser Sources
CitySan Jose, CA, USA
Period96/2/196/2/2

ASJC Scopus subject areas

  • 電子工学および電気工学
  • 凝縮系物理学

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