WebJan 13, 2024 · Multi-wavelength distributed feedback laser array (DFB-MLA) based tunable semiconductor lasers have been widely used owing to the high mode stability and simple … WebApr 15, 2014 · A new method to fabricate the multiwavelength DFB semiconductor laser array (MLA) is proposed for the first time based on sampled grating and s-bent waveguide. According to the detailed precision analysis, the lasing wavelength accuracy of the proposed structure is significantly improved. Because the common holography exposure and …
CH4/H2 RIE of InGaAsP/InP materials: An application to DFB laser ...
WebThere are three primary types of optical semiconductor resonant cavity devices, Fabry-Perot (FP), Distributed Bragg Reflector (DBR) and Distributed Feedback (DFB). In DFB-LD devices a grating is fabricated in above or below the active layers (laser gain region) of the DFB devices, and has the same length as the active region. A main difference ... WebApr 1, 1993 · Three CH4/H2 RIE process steps were successfully applied to the fabrication of emitting at 1.55 gm BRS-DFB lasers. The devices demonstrated cw operation at a threshold of 24 mA with a side mode suppression of about 30 dB. 1. INTRODUCTION Reactive Ion Etching (RIE) and Ion Beam Etching (IBE, RIBE etc.), applied to InP-based … notifyme networks
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WebEblana Photonics 10G DFB laser diode range was developed for use in current generation high speed datacomms and 10G PON optical networks. Building on the development of the 1310nm 10G laser, Eblana aims to address the entire CWDM wavelength range in its product catalogue. 10GHz + operation up to 85°C. Low threshold current. WebDigital Fabrication Lab. The Digital Fabrication Lab is a facility for the construction of full-scale building prototypes and mock-ups. The laboratories and equipment support both … WebJul 15, 2013 · For the fabrication of DFB laser arrays, two thin p doped and n doped InGaAsP layers were grown successively on the upper SCH layer and a grating with uniform pitch was formed on the entire wafer by holographic lithograph. The reverse junction in the InGaAsP layer induces a weak gain coupling into the DFB structure, which helps to … how to share edge favorites