Valid

SJ/T 11856.4-2025Technical specifications for semiconductor laser chips for optical fiber communications - Part 4: Bragg reflection grating tunable semiconductor laser chip for light source (English PDF)

Preview PDF

This is a limited preview

Buy now to download the full PDF (13 pages)

Need quotation for your management?

Get a formal quotation for SJ/T 11856.4-2025 in 30 minutes.

Issued by

Ministry of Industry and Information Technology

Level / Type

National · Recommended

Issue date

May 9, 2025

Implementation date

November 1, 2025

Scope

SJ/T 11856.4-2025 (Technical specifications for semiconductor laser chips for optical fiber communications - Part 4: Bragg reflection grating tunable semiconductor laser chip for light source) is available as an English-translated PDF.

SJ/T 11856.4-2025 — This standard specifies the terminology and definitions, abbreviations, classification, technical requirements, inspection rules, inspection methods, packaging, storage, and transportation of Bragg reflector grating tunable semiconductor laser chips (hereinafter referred to as chips) for fiber optic communication.

Found what you need?

Document preview — SJ/T 11856.4-2025

National Standard of the People's Republic of China

Issued by: Ministry of Industry and Information Technology

Contents

  • What this standard covers1
  • Document data2

What this standard covers

This standard specifies the terminology and definitions, abbreviations, classification, technical requirements, inspection rules, inspection methods, packaging, storage, and transportation of Bragg reflector grating tunable semiconductor laser chips (hereinafter referred to as chips) for fiber optic communication. This document applies to the procurement, manufacturing, and quality control of chips with transmission rates of 25 Gb/s and below, where the chip contains only one Bragg grating and is applicable to the C-band.

Document data

Estimated length of the Chinese original: 20,215 words.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 13 pages — is available in the English PDF.

How to Download SJ/T 11856.4-2025

  1. 1

    Add to cart

    Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.

  2. 2

    Checkout

    Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).

  3. 3

    Instant delivery (0–9 sec)

    Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.

  4. 4

    Invoice included

    A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.

Related Standards

English PDF
13 pages
Instant delivery (0–9 sec)
Invoice included
View Cart

Secure payment via Stripe

Payments accepted

VisaMastercardAmerican ExpressApple PayGoogle PayStripe

SJ/T 11856.4-2025

$500.00