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Titolo:
Hybrid external cavity lasers composed of spot-size converter integrated LDs and UV written Bragg gratings in a planar lightwave circuit on Si
Autore:
Tanaka, T; Takahashi, H; Hibino, Y; Hashimoto, T; Himeno, A; Yamada, Y; Tohmori, Y;
Titolo Testata:
IEICE TRANSACTIONS ON ELECTRONICS
fascicolo: 6, volume: E83C, anno: 2000,
pagine: 875 - 883
SICI:
0916-8524(200006)E83C:6<875:HECLCO>2.0.ZU;2-1
Fonte:
ISI
Lingua:
ENG
Soggetto:
SILICA WAVE-GUIDE; MULTIFREQUENCY LASER; FIBER; PLATFORM; MODULATION;
Keywords:
external cavity laser; hybrid integration; grating; multiwavelength laser; PLC;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
--discip_EC--
Citazioni:
21
Recensione:
Indirizzi per estratti:
Citazione:
T. Tanaka et al., "Hybrid external cavity lasers composed of spot-size converter integrated LDs and UV written Bragg gratings in a planar lightwave circuit on Si", IEICE TR EL, E83C(6), 2000, pp. 875-883

Abstract

We describe the fabrication method and characteristics of hybrid external cavity lasers composed of a spot-size converter integrated LD (SS-LD) and aUV 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 aphase 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 7-8 mA and a side mode suppression of 37 dB for an external cavity laser operating at 1.3 mu m. Moreover, we successfully demonstrated a four-channel external cavity laser witha wavelength interval of 2 nm +/-0.1 nm by integrating 4 SS-LDs on a PLC and controlling the Bragg wavelengths with ArF laser irradiation without a phase mask.

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Documento generato il 23/09/20 alle ore 09:13:48